VulnSocial

CVE-2026-90558Disclosure

LOWCVSS 9.3 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-121

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • 2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-09-13: 2Patch / Workaround · 2026-09-13: 1Technical Details · 2026-09-13: 209-13
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets2 URLs
Full discourse2 posts
  • Severity Daily@severitydaily
    Patch

    sngrep's 9.8 stack overflow is fixed in master and in no release — Debian's newest package is the top of the affected range. No exploitation reported. https://severitydaily.com/sngrep-cve-2026-90558-stack-overflow-fix-in-master-no-release-debian-1-8-4/

    Post summary

    The text reports a stack-overflow vulnerability in sngrep 1.8.4, says the fix exists only in master and not in a released package, and notes that Debian's newest package remains affected. No PoC, exploit code, or active exploitation is reported.

    0000042
    24 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-90558 sngrep through 1.8.4 contains stack buffer overflow vulnerabilities in SIP attribute formatting routines when header values exceed the 255-byte buffer limit. Attacker… https://www.cve.org/CVERecord?id=CVE-2026-90558

    Post summary

    The post announces a stack buffer overflow (CVE-2026-90558) in sngrep up to version 1.8.4, detailing the technical vulnerability but providing no PoC, exploit code, or patch information.

    000001.1K
    58.1K followersView on X

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