CVE-2026-26967 PJSIP has a Heap-based Buffer Overflow vulnerability in its H.264 unpacketizer

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...

CVE-2026-26967

PJSIP Vulnerability CVE-2026-26967: In 2.16 and earlier, the H.264 unpacketizer can overflow the heap when processing malformed SRTP packets, due to reading a 2-byte NAL unit size without validating bounds within the payload. Affected: PJSIP-based applications handling H.264 video streams. Impact...

CVE-2026-26967 PJSIP has a Heap-based Buffer Overflow vulnerability in its H.264 unpacketizer

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...

CVE-2026-26967

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...

PT-2026-20971

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...

CVE-2026-26203

PJSIP is a free and open source multimedia communication library. Versions prior to 2.17 have a critical heap buffer underflow vulnerability in PJSIP's H.264 packetizer. The bug occurs when processing malformed H.264 bitstreams without NAL unit start codes, where the packetizer performs unchecked...

CVE-2026-26203

PJSIP is a free and open source multimedia communication library. Versions prior to 2.17 have a critical heap buffer underflow vulnerability in PJSIP's H.264 packetizer. The bug occurs when processing malformed H.264 bitstreams without NAL unit start codes, where the packetizer performs unchecked...

CVE-2026-26203

PJSIP (pjproject) versions prior to 2.17 contain a heap buffer underflow in the H.264 packetizer when processing malformed bitstreams without NAL unit start codes. The packetizer performs unchecked pointer arithmetic, potentially reading memory before the allocated buffer. A patch is available in...

CVE-2026-26203 PJSIP's pjmedia-video has use-after-free in H264 packetizer when packetizing fragmented NAL

PJSIP is a free and open source multimedia communication library. Versions prior to 2.17 have a critical heap buffer underflow vulnerability in PJSIP's H.264 packetizer. The bug occurs when processing malformed H.264 bitstreams without NAL unit start codes, where the packetizer performs unchecked...

CVE-2026-26203

PJSIP is a free and open source multimedia communication library. Versions prior to 2.17 have a critical heap buffer underflow vulnerability in PJSIP's H.264 packetizer. The bug occurs when processing malformed H.264 bitstreams without NAL unit start codes, where the packetizer performs unchecked...

CVE-2026-26203 PJSIP's pjmedia-video has use-after-free in H264 packetizer when packetizing fragmented NAL

PJSIP is a free and open source multimedia communication library. Versions prior to 2.17 have a critical heap buffer underflow vulnerability in PJSIP's H.264 packetizer. The bug occurs when processing malformed H.264 bitstreams without NAL unit start codes, where the packetizer performs unchecked...

CVE-2026-25994

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames...

CVE-2026-25994

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames...

CVE-2026-25994 PJSIP has a heap buffer overflow in ICE with long username

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames...

CVE-2026-25994

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames...

CVE-2026-25994

CVE-2026-25994 affects PJSIP’s PJNATH ICE Session in 2.16 and earlier. The vulnerability is a buffer overflow triggered when processing credentials with excessively long usernames. According to the description, this can impact confidentiality, integrity, and availability (high impact) and is expl...

CVE-2026-25994

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames...

CVE-2026-25994 PJSIP has a heap buffer overflow in ICE with long username

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames...

CVE-2026-25994

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames...

PT-2026-7717

Name of the Vulnerable Software and Affected Versions PJSIP versions prior to 2.17 Description PJSIP is a multimedia communication library implemented in C. A buffer overflow condition exists in the PJNATH ICE Session component when handling credentials containing overly long usernames. This can...