Description
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.
Published: 2026-09-12
Score: 9.3 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sat, 12 Sep 2026 18:15:00 +0000

Type Values Removed Values Added
Description 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.
Title sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers
First Time appeared Irontec
Irontec sngrep
Weaknesses CWE-121
CPEs cpe:2.3:a:irontec:sngrep:*:*:*:*:*:*:*:*
Vendors & Products Irontec
Irontec sngrep
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-12T18:06:42.389Z

Reserved: 2026-09-12T11:13:43.326Z

Link: CVE-2026-90558

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-12T18:16:44.587

Modified: 2026-09-12T18:16:44.587

Link: CVE-2026-90558

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses