Out-of-bounds Read in Pjsip Pjproject
CVE-2022-24786
PJSIP is a free and open source multimedia communication library written in C. PJSIP versions 2.12 and prior do not parse incoming RTCP feedback RPSI (Reference Picture Selection Indication) packet, but any app that directly uses pjmedia_rtcp_fb_parse_rpsi() will be affected. A patch is available in the `master` branch of the `pjsip/pjproject` GitHub repository. There are currently no known workarounds.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Pjsip Pjproject — versions <= 2.12
- Pjsip
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/pjsip/pjproject/security/advisories/GHSA-vhxv-phmx-g52q (Third Party Advisory)
- github.com/pjsip/pjproject/commit/11559e49e65bdf00922ad5ae28913ec6a198d508 (Patch, Third Party Advisory)
- security.gentoo.org/glsa/202210-37 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/11/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5285 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-24786?
- CVE-2022-24786 is a critical-severity vulnerability in Pjsip Pjproject, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-04-06.
- How severe is CVE-2022-24786?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-24786 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.