CVE-2026-26967
PJSIP has a Heap-based Buffer Overflow vulnerability in its H.264 unpacketizer
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
PJSIP is a free and open source multimedia communication library written in C. In versions 2.16 and below, there is a critical Heap-based Buffer Overflow vulnerability in PJSIP's H.264 unpacketizer. The bug occurs when processing malformed SRTP packets, where the unpacketizer reads a 2-byte NAL unit size field without validating that both bytes are within the payload buffer bounds. The vulnerability affects applications that receive video using H.264. A patch is available at https://github.com/pjsip/pjproject/commit/f821c214e52b11bae11e4cd3c7f0864538fb5491.
| CWE | CWE-122 |
| Vendor | pjsip |
| Product | pjproject |
| Published | Feb 20, 2026 |
| Last Updated | Feb 20, 2026 |
Stay Ahead of the Next One
Get instant alerts for pjsip pjproject
Be the first to know when new unknown vulnerabilities affecting pjsip pjproject are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
pjsip / pjproject
< f821c214e52b11bae11e4cd3c7f0864538fb5491