CVE-2026-121626
3.7 LOWpublic exploit availablePublished 2026-11-03 · Updated 2026-11-03
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
GNU Gatekeeper (gnugk) before 5.16 contains an out-of-bounds read vulnerability in H46024Socket::ReceivedProbePacket() that allows remote attackers to cause a heap over-read by sending short probe packets. Attackers can send a short application-defined RTCP packet to the media port during H.460.24 probing to read past the heap allocation and possibly crash the gatekeeper.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
CWE-125
Public exploit & PoC references
All references
- https://github.com/willamowius/gnugk
- https://github.com/willamowius/gnugk/blob/v5_15/GkClient.cxx#L963-L990
- https://github.com/willamowius/gnugk/commit/160aa27344ecc9a443cccaa63e8d7fa95a766610
- https://github.com/willamowius/gnugk/releases/tag/v5_16
- https://www.vulncheck.com/advisories/gnu-gatekeeper-before-5.16-out-of-bounds-read-in-h-460.24-rtcp-probe-handler
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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