CVE-2022-23537
PJSIP vulnerable to heap buffer overflow when decoding STUN message
02 Description
PJSIP vulnerable to heap buffer overflow when decoding STUN message
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.11% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 65.5% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-12-20 18:50Z3 YR AGO
- Last updated
- 2025-11-04 16:09Z11 MO AGO
- Reserved
- 2022-01-19
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
- Weaknesses
- Data version
- 5.2
- Document digest
- 20ce4af49e119289947a9a5bd413126baa9404faddc47728374e2bca6a427067
05 Affected products
06 References
- github.comhttps://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
- github.comhttps://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/09/msg00030.html
07 Fixed in
Debian 12
- ring Fixed in 20230206.0~ds1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- asterisk Fixed in 1:20.4.0~dfsg+~cs6.13.40431414-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- ring Fixed in 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- asterisk No fix yet
- pjproject No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- pjproject No fix yet
- ring Fixed in 20180228.1.503da2b~ds1-1ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.