Common Weakness Enumeration

CWE-191

Allowed

Integer Underflow (Wrap or Wraparound)

Abstraction: Base · Status: Draft

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

449 vulnerabilities reference this CWE, most recent first.

CVE-2026-74755 (GCVE-0-2026-74755)

Vulnerability from cvelistv5 – Published: 2026-10-21 11:45 – Updated: 2026-10-30 17:56
VLAI
Title
Apache bRPC: Integer Underflow in mcpack2pb Parser Leading to Denial of Service
Summary
An integer underflow in the mcpack2pb component of Apache bRPC (version < 1.18.0) on all platforms allows remote attackers to crash a bRPC server by sending a request containing a string field with a zero value_size. The UnparsedValue::as_string() function computes `_size - 1` without validating `_size`; when value_size is 0 the expression underflows to SIZE_MAX, resize() throws std::length_error, and because the exception is not caught on the request parsing path the process aborts (SIGABRT). Root Cause: In src/mcpack2pb/parser.cpp, UnparsedValue::as_string() resizes the output string to `_size - 1`, where `_size` is the value_size of a string field taken directly from the network data. A value_size of 0 underflows the unsigned size_t, and the subsequent resize() throws an exception that is not caught. Affected Scenarios: bRPC servers that accept nshead frames wired to the ubrpc mcpack2 adaptor (for example the NsheadService + UbrpcMcpack2Adaptor deployment pattern) can be crashed by a single unauthenticated request. Stock open-source bRPC registers the ubrpc/nshead_mcpack protocols as client-only, so default server configurations are not affected. How to Fix: 1. Upgrade bRPC to a version that includes this fix. 2. Apply the patch in PR  https://github.com/apache/brpc/pull/3450
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 17:56 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
apache CNA
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache bRPC Affected: 0 , < 1.18.0 (semver)
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Show details on NVD website

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CVE-2026-73433 (GCVE-0-2026-73433)

Vulnerability from cvelistv5 – Published: 2026-08-12 19:05 – Updated: 2026-09-23 15:06
VLAI
Title
Gstreamer1-plugins-good: gstreamer: unsigned integer underflow in avidemux fujifilm strd parsing leading to out-of-bounds read/write
Summary
A flaw was found in GStreamer gst-plugins-good (avidemux). When parsing FUJIFILM metadata in an AVI strd chunk, gst_avi_demux_parse_strd() decrements a remaining-length counter by fixed offsets (98 and 10 bytes) without verifying sufficient data remains. For crafted strd payloads of exactly 106 or 107 bytes, the counter underflows to a very large unsigned value, causing subsequent null-terminated string scanning to read far beyond the allocated heap buffer. Date-format normalization may also write beyond the buffer end. Confirmed impacts include heap out-of-bounds read, out-of-bounds write, heap information disclosure (adjacent data appearing in parsed metadata), and application crash/denial of service. The avidemux element is auto-plugged by playbin, decodebin, and gst-discoverer, so opening or previewing a crafted AVI is sufficient to trigger the issue. Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 21:57 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
redhat CNA
Impacted products
Vendor Product Version
GStreamer gst-plugins-good Affected: 0 , < 1.28.6 (semver)
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Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:1.26.7-2.el10_2.5 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.2
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Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:1.24.11-1.el10_0.4 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
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Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:1.10.4-4.el7_9.3 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
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Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.16.1-7.el8_10.3 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
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Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:1.16.1-4.el8_4.2 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
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Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:1.16.1-4.el8_4.2 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
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Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:1.16.1-4.el8_6.3 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
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Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 0:1.16.1-4.el8_6.3 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:1.16.1-5.el8_8.3 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:1.16.1-5.el8_8.3 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.22.12-7.el9_8.4 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
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Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:1.18.4-8.el9_2.3 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Unaffected: 0:1.22.1-4.el9_4.3 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.4::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:1.22.12-5.el9_6.3 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6::appstream
Create a notification for this product.
Date Public
2026-08-05 00:00
Show details on NVD website

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CVE-2026-73252 (GCVE-0-2026-73252)

Vulnerability from cvelistv5 – Published: 2026-10-14 18:24 – Updated: 2026-10-14 19:41
VLAI
Title
Mongoose: Unauthenticated remote heap out-of-bounds read in built-in TLS: off-by-one length check in mg_tls_recv_record() underflows recv_len to SIZE_MAX
Summary
Mongoose is an embedded web server and network library. Prior to 7.23, the built-in TLS stack selected by MG_TLS_BUILTIN in src/tls_builtin.c accepts a TLS 1.3 record whose decrypted size is exactly the 16-byte authentication tag with no plaintext or ContentType byte. In mg_tls_recv_record(), the msgsz length check permits that record and the recv_len calculation underflows to SIZE_MAX, so a later handshake step treats stale buffer contents as a trusted message with an effectively unbounded length. An unauthenticated malicious TLS peer can trigger a heap out-of-bounds read before certificate or Finished validation, causing a remote denial of service. This issue is fixed in version 7.23.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 19:41 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
  • CWE-125 - Out-of-bounds Read
Assigner
GitHub_M CNA
Impacted products
Vendor Product Version
cesanta mongoose Affected: < 7.23
Create a notification for this product.
Show details on NVD website

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CVE-2026-72947 (GCVE-0-2026-72947)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:14 – Updated: 2026-10-31 16:12
VLAI
Title
Windows File History Service Elevation of Privilege Vulnerability
Summary
Integer underflow (wrap or wraparound) in Windows File History Service allows an authorized attacker to elevate privileges locally.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 18:57 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.9512 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7725 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7725 (custom)
Create a notification for this product.
Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7582 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7582 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.9445 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.9445 (custom)
Create a notification for this product.
Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.2954 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.9512 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.9512 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Date Public
2026-09-08 14:00
Show details on NVD website

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CVE-2026-71444 (GCVE-0-2026-71444)

Vulnerability from cvelistv5 – Published: 2026-08-25 17:31 – Updated: 2026-08-27 22:32
VLAI
Title
CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
Summary
CAI Content Credentials is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 14:05 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound) (CWE-191)
Assigner
adobe CNA
References
Impacted products
Vendor Product Version
Adobe C2PA Tool Affected: 0 , ≤ c2patool-v0.26.70 (custom)
Unaffected: c2patool-v0.27.11 (custom)
Create a notification for this product.
Adobe Content Credentials Rust SDK Affected: 0 , ≤ c2pa-v0.89.0 (custom)
Unaffected: c2pa-v0.90.11 (custom)
Create a notification for this product.
Date Public
2026-08-25 17:00
Show details on NVD website

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CVE-2026-71442 (GCVE-0-2026-71442)

Vulnerability from cvelistv5 – Published: 2026-08-25 17:31 – Updated: 2026-08-27 22:32
VLAI
Title
CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
Summary
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SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 17:44 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound) (CWE-191)
Assigner
adobe CNA
References
Impacted products
Vendor Product Version
Adobe C2PA Tool Affected: 0 , ≤ c2patool-v0.26.70 (custom)
Unaffected: c2patool-v0.27.11 (custom)
Create a notification for this product.
Adobe Content Credentials Rust SDK Affected: 0 , ≤ c2pa-v0.89.0 (custom)
Unaffected: c2pa-v0.90.11 (custom)
Create a notification for this product.
Date Public
2026-08-25 17:00
Show details on NVD website

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CVE-2026-71401 (GCVE-0-2026-71401)

Vulnerability from cvelistv5 – Published: 2026-08-27 15:01 – Updated: 2026-08-27 19:31
VLAI
Title
wicked: integer underflow of the UDP length in ni_capture_inspect_udp_header() leads to an out-of-bounds read
Summary
An integer underflow was found in the DHCPv4 packet capture code of wicked. ni_capture_inspect_udp_header() in src/capture.c does not verify that the IP total length field (ip_len) is at least as large as the IP header length (ihl) before subtracting the header length. An unauthenticated attacker on the same network can thereby trigger an out-of-bounds read past the receive buffer in the wicked DHCPv4 client (wickedd-dhcp4), which can crash the daemon depending on the process memory layout. No information disclosure has been demonstrated. This issue affects wicked up to and including version 0.6.80.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 19:30 UTC
CWE
  • CWE-191 - Integer underflow (wrap or wraparound)
Assigner
suse CNA
Impacted products
Vendor Product Version
SUSE wicked Affected: 0 , ≤ 0.6.80 (semver)
Create a notification for this product.
Date Public
2026-08-27 14:56
Show details on NVD website

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CVE-2026-71389 (GCVE-0-2026-71389)

Vulnerability from cvelistv5 – Published: 2026-08-11 16:59 – Updated: 2026-08-27 22:34
VLAI
Title
CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
Summary
CAI Content Credentials is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 16:15 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound) (CWE-191)
Assigner
adobe CNA
References
Impacted products
Vendor Product Version
Adobe Content Credentials Rust SDK Affected: 0 , ≤ c2pa-v0.90.5 (custom)
Unaffected: c2pa-v0.90.6 (custom)
Create a notification for this product.
Adobe Content Credentials Command-Line Tool Affected: 0 , ≤ c2patool-v0.27.5 (custom)
Unaffected: c2patool-v0.27.6 (custom)
Create a notification for this product.
Adobe Content Credentials JS SDK Affected: 0 , ≤ @contentauth/c2pa-web@0.12.0 (custom)
Unaffected: @contentauth/c2pa-web@0.12.1 (custom)
Create a notification for this product.
Date Public
2026-08-11 17:00
Show details on NVD website

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CVE-2026-71352 (GCVE-0-2026-71352)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:17 – Updated: 2026-10-31 16:15
VLAI
Title
Windows Remote Access Connection Manager Remote Code Execution Vulnerability
Summary
Integer underflow (wrap or wraparound) in Windows Remote Access Connection Manager allows an authorized attacker to execute code over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:20 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.9512 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7725 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7725 (custom)
Create a notification for this product.
Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7582 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7582 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.9445 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.9445 (custom)
Create a notification for this product.
Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.2954 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 Affected: 6.2.9200.0 , < 6.2.9200.26349 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.9200.0 , < 6.2.9200.26349 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 R2 Affected: 6.3.9600.0 , < 6.3.9600.23398 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.9600.0 , < 6.3.9600.23398 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.9512 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.9512 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5622 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.33438 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.33438 (custom)
Create a notification for this product.
Date Public
2026-09-08 14:00
Show details on NVD website

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CVE-2026-71202 (GCVE-0-2026-71202)

Vulnerability from cvelistv5 – Published: 2026-08-05 06:58 – Updated: 2026-08-10 11:44
VLAI
Title
raster - Integer Underflow in crop() Offset Handling Causes Capacity-Overflow Panic
Summary
The raster Rust crate's crop function (src/editor.rs) clamps the crop width/height against source dimensions but only clamps the offset_x/offset_y parameters against 0, never against the source width/height.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 13:24 UTC
CWE
Assigner
TuranSec CNA
References
URL Tags
https://github.com/kosinix/raster/issues/30 third-party-advisory
Impacted products
Vendor Product Version
kosinix raster Affected: 0 , ≤ 0.2.1 (custom)
Create a notification for this product.
Date Public
2026-08-05 06:58
Credits
Show details on NVD website

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No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.