Heap-based Buffer Overflow Affecting pjsip/pjproject package, versions [,2.17)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published22 Feb 2026
- disclosed20 Feb 2026
- creditArthur Chan
Introduced: 20 Feb 2026
CVE-2026-26967 (opens in a new tab)How to fix?
Upgrade pjsip/pjproject to version 2.17 or higher.
Overview
Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the h264_unpacketizer process when handling malformed SRTP packets. An attacker can cause memory corruption and potentially execute arbitrary code by sending specially crafted packets that exploit improper bounds checking.