PT-2026-90718 · Irontec · Sngrep

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CVE-2026-90558

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Published

2026-09-12

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Updated

2026-09-13

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.

Fix

Stack Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-90558

Affected Products

Sngrep