Threats Tagged 'ubuntu-cve-2026-23455'
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Threats Tagged 'ubuntu-cve-2026-23455'
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UBUNTU-CVE-2026-23455 0 In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() In DecodeQ931(), the UserUserIE code path reads a 16-bit length from the packet, then decrements it by 1 to skip the protocol discriminator byte before passing it to DecodeH323_UserInformation(). If the encoded length is 0, the decrement wraps to -1, which is then passed as a large value to the decoder, leading to an out-of-bounds read. Add a check to ensure len is positive after the decrement. Join the discussion | GCVE Database | 04/03/2026, 16:16:00 UTC Added: 07/16/2026, 10:39:24 UTC |
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