Stack-based Buffer Overflow Affecting pjproject package, versions <2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.51% (83rd percentile)

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  • Snyk IDSNYK-UBUNTU1604-PJPROJECT-2404433
  • published21 Mar 2026
  • disclosed16 Feb 2022

Introduced: 16 Feb 2022

CVE-2021-43299  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 pjproject to version 2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pjproject package and not the pjproject package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

Stack overflow in PJSUA API when calling pjsua_player_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.

CVSS Base Scores

version 3.1