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5 vulnerabilities found for sngrep by irontec
CVE-2026-121944 (GCVE-0-2026-121944)
Vulnerability from cvelistv5 – Published: 2026-11-04 12:31 – Updated: 2026-11-04 18:51
VLAI
EPSS
VEX
Title
sngrep through 1.9.0 Infinite Loop DoS via Crafted NFLOG TLV
Summary
sngrep through 1.9.0 contains an infinite loop vulnerability in capture_packet_reasm_ip() in src/capture.c that allows attackers to cause denial of service via crafted NFLOG TLVs. Attackers can supply a pcap file with link type NFLOG containing a non-payload TLV with length under 4, making the capture thread spin at full CPU and stop processing packets.
Severity
5.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 18:50 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/irontec/sngrep/issues/589 | issue-tracking |
| https://hackmd.io/@haindpwn/sngrep-sip-payload-mi… | third-party-advisory |
| https://github.com/irontec/sngrep/blob/v1.9.0/src… | technical-description |
| https://www.vulncheck.com/advisories/sngrep-throu… | third-party-advisory |
| https://hackmd.io/@haindpwn/cve-2026-121943-12194… | exploit |
Impacted products
Date Public
2026-10-21 13:36
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CVE-2026-121943 (GCVE-0-2026-121943)
Vulnerability from cvelistv5 – Published: 2026-11-04 12:31 – Updated: 2026-11-04 18:51
VLAI
EPSS
VEX
Title
Irontec sngrep through 1.9.0 Out-of-Bounds Stack Read via sip_check_packet
Summary
Irontec sngrep through 1.9.0 contains an out-of-bounds stack read vulnerability in sip_check_packet and sip_validate_packet caused by an off-by-one length check on 10240-byte SIP payloads. Remote attackers can send a crafted UDP or TCP SIP packet or supply a pcap file to crash sngrep or leak adjacent stack bytes into displayed SIP fields.
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 18:51 UTC
CWE
- CWE-170 - Improper Null Termination
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/irontec/sngrep/issues/589 | issue-tracking |
| https://hackmd.io/@haindpwn/sngrep-sip-payload-mi… | third-party-advisory |
| https://github.com/irontec/sngrep/blob/v1.9.0/src… | technical-description |
| https://www.vulncheck.com/advisories/irontec-sngr… | third-party-advisory |
| https://hackmd.io/@haindpwn/cve-2026-121943-12194… | exploit |
Impacted products
Date Public
2026-10-21 13:36
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CVE-2026-90558 (GCVE-0-2026-90558)
Vulnerability from cvelistv5 – Published: 2026-09-12 18:06 – Updated: 2026-09-14 18:24
VLAI
EPSS
VEX
Title
sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers
Summary
sngrep through 1.8.4 contains stack buffer overflow vulnerabilities in SIP attribute formatting routines when header values exceed the 255-byte buffer limit. Attackers can craft malicious SIP packets with oversized Call-ID, X-Call-ID, or other header fields to overflow stack buffers and cause crashes or execute arbitrary code during packet parsing and rendering.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 18:23 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/irontec/sngrep/commit/1ff74ee3… | patch |
| https://github.com/irontec/sngrep | product |
| https://github.com/irontec/sngrep/blob/v1.8.4/src… | technical-description |
| https://github.com/irontec/sngrep/blob/v1.8.4/src… | technical-description |
| https://www.vulncheck.com/advisories/sngrep-throu… | third-party-advisory |
Impacted products
Date Public
2026-08-07 00:00
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CVE-2024-3120 (GCVE-0-2024-3120)
Vulnerability from cvelistv5 – Published: 2024-04-09 23:55 – Updated: 2025-02-21 17:07
VLAI
EPSS
VEX
Title
Stack-Buffer Overflow in 'Content-Length' and 'Warning' Header Processing in sngrep
Summary
A stack-buffer overflow vulnerability exists in all versions of sngrep since v1.4.1. The flaw is due to inadequate bounds checking when copying 'Content-Length' and 'Warning' headers into fixed-size buffers in the sip_validate_packet and sip_parse_extra_headers functions within src/sip.c. This vulnerability allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via crafted SIP messages.
Severity
9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-11 17:09 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Pentraze
CNA
References
Impacted products
Date Public
2024-04-09 23:52
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CVE-2024-3119 (GCVE-0-2024-3119)
Vulnerability from cvelistv5 – Published: 2024-04-09 23:55 – Updated: 2024-08-08 21:20
VLAI
EPSS
VEX
Title
Stack-Buffer Overflow in 'Call-ID' and 'X-Call-ID' SIP Header Processing in sngrep
Summary
A buffer overflow vulnerability exists in all versions of sngrep since v0.4.2, due to improper handling of 'Call-ID' and 'X-Call-ID' SIP headers. The functions sip_get_callid and sip_get_xcallid in sip.c use the strncpy function to copy header contents into fixed-size buffers without checking the data length. This flaw allows remote attackers to execute arbitrary code or cause a denial of service (DoS) through specially crafted SIP messages.
Severity
9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-10 19:23 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Pentraze
CNA
References
Impacted products
Date Public
2024-04-09 23:10
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