CWE-127
Buffer Under-read
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations prior to the targeted buffer.
CVE-2020-1918 (GCVE-0-2020-1918)
Vulnerability from cvelistv5
Published
2021-03-10 15:50
Modified
2024-08-04 06:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-127 - Buffer Under-read ()
Summary
In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| HHVM |
Patch: 4.98.1 < unspecified Version: 4.98.0 Patch: 4.97.1 < unspecified Version: 4.97.0 Patch: 4.96.1 < unspecified Version: 4.96.0 Patch: 4.95.1 < unspecified Version: 4.95.0 Patch: 4.94.1 < unspecified Version: 4.94.0 Patch: 4.93.2 < unspecified Version: 4.81.0 < unspecified Patch: 4.80.2 < unspecified Version: 4.57.0 < unspecified Patch: 4.56.3 < unspecified Version: unspecified < 4.56.3 |
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CVE-2020-5360 (GCVE-0-2020-5360)
Vulnerability from cvelistv5
Published
2020-12-16 15:50
Modified
2024-09-16 22:57
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-127 - Buffer Under-read
Summary
Dell BSAFE Micro Edition Suite, versions prior to 4.5, are vulnerable to a Buffer Under-Read Vulnerability. An unauthenticated remote attacker could potentially exploit this vulnerability resulting in undefined behaviour, or a crash of the affected systems.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Dell | Dell BSAFE Micro Edition Suite |
Version: unspecified < 4.5 |
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CVE-2024-10395 (GCVE-0-2024-10395)
Vulnerability from cvelistv5
Published
2025-02-03 06:59
Modified
2025-02-03 16:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-127 - Buffer Under-read
Summary
No proper validation of the length of user input in http_server_get_content_type_from_extension.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Version: * |
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CVE-2024-25629 (GCVE-0-2024-25629)
Vulnerability from cvelistv5
Published
2024-02-23 14:52
Modified
2025-02-13 17:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-127 - Buffer Under-read
Summary
c-ares is a C library for asynchronous DNS requests. `ares__read_line()` is used to parse local configuration files such as `/etc/resolv.conf`, `/etc/nsswitch.conf`, the `HOSTALIASES` file, and if using a c-ares version prior to 1.27.0, the `/etc/hosts` file. If any of these configuration files has an embedded `NULL` character as the first character in a new line, it can lead to attempting to read memory prior to the start of the given buffer which may result in a crash. This issue is fixed in c-ares 1.27.0. No known workarounds exist.
References
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CVE-2025-20359 (GCVE-0-2025-20359)
Vulnerability from cvelistv5
Published
2025-10-15 16:17
Modified
2026-02-12 18:57
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-127 - Buffer Under-read
Summary
Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the disclosure of possible sensitive data or cause the Snort 3 Detection Engine to crash.
This vulnerability is due to an error in the logic of buffer handling when the MIME fields of the HTTP header are parsed. This can result in a buffer under-read. An attacker could exploit this vulnerability by sending crafted HTTP packets through an established connection that is parsed by Snort 3. A successful exploit could allow the attacker to induce one of two possible outcomes: the unexpected restarting of the Snort 3 Detection Engine, which could cause a denial of service (DoS) condition, or information disclosure of sensitive information in the Snort 3 data stream. Due to the under-read condition, it is possible that sensitive information that is not valid connection data could be returned.
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Cyber Vision |
Version: 3.0.0 Version: 3.0.2 Version: 3.0.3 Version: 3.0.1 Version: 3.1.0 Version: 3.0.4 Version: 3.1.1 Version: 3.1.2 Version: 3.2.0 Version: 3.0.5 Version: 3.2.1 Version: 3.0.6 Version: 3.2.2 Version: 3.2.3 Version: 3.2.4 Version: 4.0.0 Version: 4.0.1 Version: 4.0.2 Version: 4.0.3 Version: 4.1.0 Version: 4.1.1 Version: 4.1.2 Version: 4.1.3 Version: 4.1.4 Version: 4.2.0 Version: 4.2.1 Version: 4.1.5 Version: 4.2.2 Version: 4.2.X Version: 4.2.3 Version: 4.2.4 Version: 4.2.6 Version: 4.1.6 Version: 4.3.0 Version: 4.3.1 Version: 4.3.2 Version: 4.3.3 Version: 4.4.0 Version: 4.4.1 Version: 4.4.2 Version: 4.4.3 Version: 4.1.7 Version: 5.0.0 Version: 5.0.1 Version: 5.0.2 Version: 5.1.0 Version: 5.1.1 Version: 5.1.2 Version: 5.1.3 Version: 5.2.0 Version: 5.2.1 |
||||||||||||
|
||||||||||||||
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CVE-2025-32050 (GCVE-0-2025-32050)
Vulnerability from cvelistv5
Published
2025-04-03 13:36
Modified
2025-11-06 23:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-127 - Buffer Under-read
Summary
A flaw was found in libsoup. The libsoup append_param_quoted() function may contain an overflow bug resulting in a buffer under-read.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Version: 0 ≤ |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-45683 (GCVE-0-2026-45683)
Vulnerability from cvelistv5
Published
2026-06-02 15:25
Modified
2026-06-02 17:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the Java TLS ioctl probe reads user-controlled ioctl pointers with bpf_probe_read instead of bpf_probe_read_user. An instrumented local process can therefore point OBI at kernel memory and cause that memory to be copied into telemetry. This issue has been patched in version 0.9.0.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| open-telemetry | opentelemetry-ebpf-instrumentation |
Version: < 0.9.0 |
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CVE-2026-5928 (GCVE-0-2026-5928)
Vulnerability from cvelistv5
Published
2026-04-20 20:37
Modified
2026-04-30 15:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-127 - Buffer under-read
Summary
Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character encodings, in the GNU C Library version 2.43 or earlier, may result in an attempt to read bytes before an allocated buffer, potentially resulting in unintentional disclosure of neighboring data in the heap, or a program crash.
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References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The GNU C Library | glibc |
Version: 2.1.1-89 < |
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.