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CVE

CVE-2026-90558

sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers
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CVE

CVE-2026-90558

sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90558.json, https://nvd.nist.gov/vuln/detail/CVE-2026-90558, https://www.vulncheck.com/advisories/sngrep-through-1.8.4-stack-buffer-overflow-via-sip-headers, https://github.com/irontec/sngrep/commit/1ff74ee3ab5ff280e8ba976aa8c744dca57eb35b, https://github.com/irontec/sngrep, https://github.com/irontec/sngrep/blob/v1.8.4/src/sipcall.c#L260, https://github.com/irontec/sngrep/blob/v1.8.4/src/sipmsg.c#L150

Severity

0

CVSS Score
0
10

Basic Information

Base CVSS
0
EPSS Probability
0.00879%
EPSS Percentile
0.57822%
Introduced Version
0
Fix Available
1ff74ee3ab5ff280e8ba976aa8c744dca57eb35b

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