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TI-2022-19956 Aliases CVE-2022-41550GHSA-rmjm-5vpx-phrf

GNU oSIP v5.3.0 was discovered to contain an integer overflow via the component osip_body_parse_header.

Priority LOW 30CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

GNU oSIP v5.3.0 was discovered to contain an integer overflow via the component osip_body_parse_header.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00651 51st 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
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:osip:5.3.0:*:*:*:*:*:*:*5.3.0VulnerableGNU
  • cpe:2.3:a:gnu:osip:5.3.0:*:*:*:*:*:*:* Versions 5.3.0 Vulnerable ·GNU

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-41550
  2. 2026-10-03 Alias added: GHSA-rmjm-5vpx-phrf
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2016-08386 In libosip2 in GNU oSIP 4.1.0, a malformed SIP message can lead to a heap buffer overflow… CVSS 3.0CRITICAL 9.8
  • TI-2017-05469 In libosip2 in GNU oSIP 4.1.0 and 5.0.0, a malformed SIP message can lead to a heap… CVSS 3.0HIGH 7.5
  • TI-2016-08388 In libosip2 in GNU oSIP 4.1.0, a malformed SIP message can lead to a heap buffer overflow… CVSS 3.0HIGH 7.5
  • TI-2016-08387 In libosip2 in GNU oSIP 4.1.0, a malformed SIP message can lead to a heap buffer overflow… CVSS 3.0HIGH 7.5

Sources

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