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OpenAdvisories
High · 8.1 CVE-2026-41416 EUVD-2026-25598

PJSIP: Asymmetric ptime integer overflow in Media Stream

Published Apr 24, 2026 · Updated Apr 27, 2026 · Assigned by GitHub_M

Description

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an integer overflow in media stream buffer size calculation when processing SDP with asymmetric ptime configuration. The overflow may result in an undersized buffer allocation, which can lead to unexpected application termination or memory corruption This vulnerability is fixed in 2.17.

Affected products

VendorProductAffectedFixed
pjsip pjproject < 2.17 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 asterisk 1:22.10.0+dfsg+~cs6.17.60671434-1 —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 asterisk No fix yet —
Ubuntu 26.04 LTS asterisk No fix yet —
Ubuntu 25.10 asterisk No fix yet —
Ubuntu 24.04 LTS asterisk No fix yet —
Ubuntu 22.04 LTS asterisk No fix yet —
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS asterisk No fix yet —
Ubuntu 18.04 LTS asterisk No fix yet —
Ubuntu Pro 18.04 LTS pjproject No fix yet —
Ubuntu Pro 16.04 LTS asterisk +1 No fix yet —

References