VDB
CVE-2026-90558
CVE-2026-90558
PUBLISHED
CVSS 9.3 CRITICAL
Reported by VulnCheck · Published September 12, 2026
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.
Risk Scores
CVSS 4.0
9.3
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
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| irontec | sngrep | 0 |
| irontec | sngrep | 0, 0 |
Timeline
- Sep 12, 2026 CVE Published
- Sep 14, 2026 EPSS Score
- Sep 14, 2026 CVE Updated
- Sep 16, 2026 EPSS Score
- Sep 18, 2026 EPSS Score
References
- Patch Commit patch
- product
- technical-description
- technical-description
- VulnCheck Advisory: sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers third-party-advisory