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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
6.5MEDIUM
NVD MITRE
EPSS Score
1.0%
Top 39.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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).

No summary for this CVE yet.

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

teluu
commercialaka pjsip
pjsipMixed
Communications / voip-telephony
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
pjsip
oss-projectaka pjmedia-video, pjproject
pjprojectMixed
Communications / voip-telephony
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
ФССП России
RU
ОС ТД АИС ФССП РоссииOn-prem
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
PJSIPLibraryLibrary
Operating Systems / unix-bsd
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

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
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
lists.debian.org
and 6 more references View all →

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