Vulnerability · Published Jan 4, 2022 · Assigned by GitHub_M
CVE-2021-41141Missing release of locks in PJSIP
Medium 5.9
In plain English
A medium-severity security flaw in pjproject from pjsip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | pjproject | 2.12-r0 | ALPINE-CVE-2021-41141 |
| Alpine:v3.21 | pjproject | 2.12-r0 | ALPINE-CVE-2021-41141 |
| Alpine:v3.22 | pjproject | 2.12-r0 | ALPINE-CVE-2021-41141 |
| Alpine:v3.23 | pjproject | 2.12-r0 | ALPINE-CVE-2021-41141 |
| Alpine:v3.24 | pjproject | 2.12-r0 | ALPINE-CVE-2021-41141 |
Affected products (as reported)
Weakness: CWE-667 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H