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Vulnerability details: VCID-4rc8-g9hk-mbe4
Vulnerability ID VCID-4rc8-g9hk-mbe4
Aliases CVE-2022-23537
Summary 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).
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-122 Heap-based Buffer Overflow
System Score Found at
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2022-23537
cvssv3.1 6.5 https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1
ssvc Track https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1
cvssv3.1 6.5 https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
ssvc Track https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
cvssv3.1 6.5 https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
ssvc Track https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2022-23537
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2022-23537
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23537
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23547
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31031
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-37325
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39244
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39269
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42705
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42706
1032092 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1032092
cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
CVE-2022-23537 https://nvd.nist.gov/vuln/detail/CVE-2022-23537
d8440f4d711a654b511f50f79c0445b26f9dd1e1 https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1
GHSA-9pfh-r8x4-w26w https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
msg00038.html https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
USN-6422-1 https://usn.ubuntu.com/6422-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H Found at https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T14:52:00Z/ Found at https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H Found at https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T14:52:00Z/ Found at https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T14:52:00Z/ Found at https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-23537
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.41369
EPSS Score 0.00191
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:38:09.315424+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/6422-1/ 37.0.0