Integer Overflow Vulnerability in PJSIP Multimedia Communication Library
CVE-2026-41416

8.1HIGH

Key Information:

Vendor

Pjsip

Status
Pjproject
Vendor
CVE Published:
24 April 2026

What is CVE-2026-41416?

The PJSIP multimedia communication library, versions 2.16 and earlier, contains an integer overflow vulnerability in the media stream buffer size calculation. This issue arises when processing Session Description Protocol (SDP) with asymmetric ptime configurations, potentially leading to an undersized buffer allocation. Such improper handling may cause unexpected application termination or memory corruption, impacting the stability of applications relying on this library. The vulnerability has been addressed in version 2.17.

Affected Version(s)

pjproject < 2.17

References

https://github.com/pjsip/pjproject/security/advisories/GH...
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https://github.com/pjsip/pjproject/commit/66fe416c96e9574...
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CVSS V4

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.