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CVE-2022-23537

PJSIP vulnerable to heap buffer overflow when decoding STUN message

Published: Dec 20, 2022Updated: Nov 4, 2025 Sources: CVE List NVD BDUCWE-122
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
1.0%
Top 40.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as a commit in the master branch (2.13.1).

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:LI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-122CWE-125

Affected Products

РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
ОС ТД АИС ФССП РоссииФССП России
On-prem
Operating Systems / linux-distro
PJSIPСообщество свободного программного обеспечения
LibraryLibrary
Operating Systems / unix-bsd
ОСОН ОСнова ОnyxАО «НППКТ»
On-premOS
Operating Systems / linux-distro
pjprojectpjsip
Mixed
Communications / voip-telephony
ооо «ред софт»commercialRUOperating Systemsaka red soft
фссп россииRUOperating Systems
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ао «нппкт»commercialRUOperating Systems
pjsiposs-projectCommunicationsaka pjproject, pjmedia-video, pjsip
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Privilege Escalation
View detailed technique mapping

References

https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1
github.com
https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
github.com
http://repo.red-soft.ru/redos/7.3c/x86_64/updates/
repo.red-soft.ru
and 6 more references View all →

Timeline

Published
Dec 20, 2022
Last Updated
Nov 4, 2025

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