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TI-2026-61572 Aliases CVE-2026-90558GHSA-5vq7-hmwf-89w5

sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers

Priority MEDIUM 44CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00879 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
irontecsngrepup to 1.8.4—No fix listedCNA
  • sngrep Vendorirontec Affected up to 1.8.4 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90558
  2. 2026-10-03 Alias added: GHSA-5vq7-hmwf-89w5

References

Patch 1

Other 3

  • TI-2024-23438 Irontec Sngrep v1.8.1 was discovered to contain a heap buffer overflow via the function… CVSS 3.1HIGH 7.5
  • TI-2023-18152 Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function… CVSS 3.1HIGH 7.8
  • TI-2023-15298 Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function… CVSS 3.1HIGH 7.8
  • TI-2023-15297 Sngrep v1.6.0 was discovered to contain a stack buffer overflow via the function packet_set_payload at /src/packet.c. CVSS 3.1HIGH 7.8
  • TI-2026-85055 Infinite loop in sngrep allows denial of service via crafted pcap CVSS 4.0MEDIUM 6.8
  • TI-2026-85054 Out-of-bounds stack read in Irontec sngrep SIP packet parsing CVSS 4.0MEDIUM 6.3
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences