Vulnerability in Pjsip Pjproject
CVE-2021-41141
PJSIP is a free and open source multimedia communication library written in the C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In various parts of PJSIP, when error/failure occurs, it is found that the function returns without releasing the currently held locks. This could result in a system deadlock, which cause a denial of service for the users. No release has yet been made which contains the linked fix commit. All versions up to an including 2.11.1 are affected. Users may need to manually apply the patch.
EPSS: 0.014 (69.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Pjsip Pjproject — versions <= 2.11.1
- Teluu Pjsip
- Debian Debian_linux — versions 9.0
Weakness classification (CWE)
References
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (mailing-list, Mailing List, Third Party Advisory)
- security-advisories@github.com (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-41141?
- CVE-2021-41141 is a medium-severity vulnerability in Pjsip Pjproject, classified under Improper Locking. CVSS score: 5.9/10. Published 2022-01-04.
- How severe is CVE-2021-41141?
- Medium severity. CVSS v3 base score is 5.9 out of 10.