GHSA-vj9h-pfc2-q63mMediumCVSS 3.7
GNU Gatekeeper (gnugk) before 5.16 contains an out-of-bounds read vulnerability in ParseRTCP() in...
🔗 CVE IDs covered (1)
📋 Description
GNU Gatekeeper (gnugk) before 5.16 contains an out-of-bounds read vulnerability in ParseRTCP() in ProxyChannel.cxx that allows remote RTP peers to read heap memory past received packets. Attackers can send RTCP SDES items lacking a NUL byte to the media proxy port during proxied H.323 calls with EnableRTCPStats enabled, crashing the gatekeeper.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-121625
- https://github.com/willamowius/gnugk/commit/e8939d03b0b2ef46e356f3144a6ee14f2920b777
- https://github.com/willamowius/gnugk
- https://github.com/willamowius/gnugk/blob/v5_15/ProxyChannel.cxx#L14867-L14895
- https://github.com/willamowius/gnugk/releases/tag/v5_16
- https://www.vulncheck.com/advisories/gnu-gatekeeper-before-5.16-out-of-bounds-read-via-rtcp-sdes-parsing
- https://github.com/advisories/GHSA-vj9h-pfc2-q63m