CVE-2022-23547 MEDIUM

CVE-2022-23547: Heap buffer overflow in pjproject when decoding STUN message

Vendor Pjsip
Product pjproject
Weakness CWE-122
Published December 23, 2022
Last update November 4, 2025
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H

What the vulnerability does

01Description

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.

Key dates

02Disclosure timeline

December 23, 2022 CVE published
November 4, 2025 Record updated