Vulnerability · Published Apr 24, 2026 · Assigned by GitHub_M

CVE-2026-41415PJSIP: SIP Multipart CID URI Length Underflow

Medium 6.7

In plain English

A medium-severity out-of-bounds read 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 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)6.7Medium
Exploit odds (30 days)0.3%top 76.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an out-of-bounds read when parsing a malformed Content-ID URI in SIP multipart message body. Insufficient length validation can cause reads beyond the intended buffer bounds. This vulnerability is fixed in 2.17.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14asterisk1:22.10.0+dfsg+~cs6.17.60671434-1DEBIAN-CVE-2026-41415
Ubuntu:22.04:LTSasteriskno fix listedUBUNTU-CVE-2026-41415
Ubuntu:24.04:LTSasteriskno fix listedUBUNTU-CVE-2026-41415
Ubuntu:25.10asteriskno fix listedUBUNTU-CVE-2026-41415
Ubuntu:26.04:LTSasteriskno fix listedUBUNTU-CVE-2026-41415
Ubuntu:26.10asteriskno fix listedUBUNTU-CVE-2026-41415

Affected products (as reported)

VendorProductVersions
pjsip pjproject < 2.17

Weakness: CWE-125 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U

References