CRITICALVulnerability
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. 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.
Properties
- severity
- CRITICAL
- score
- 9.8
- cve_id
- CVE-2026-90558
- signal_observed_at
- 2026-09-23T22:45:07+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- published_at
- 2026-09-12T18:16:44.587
- last_modified
- 2026-09-23T17:17:44.290
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Stack-based Buffer Overflow
DESCRIBED_BY (1)
→[Source]NVD
Explore deeper with Ninja Signal's threat intelligence graph