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GnuTLS

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high advisory

GnuTLS DTLS Handshake Parsing Flaw (CVE-2026-33845)

A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read, potentially causing information disclosure or denial of service.

GnuTLS cve denial-of-service information-disclosure
2r 3t 1c
high advisory

GnuTLS DTLS Handshake Heap Overflow Vulnerability (CVE-2026-33846)

A heap buffer overflow vulnerability, CVE-2026-33846, exists in the DTLS handshake fragment reassembly logic of GnuTLS, allowing unauthenticated remote attackers to cause application crashes or potential memory corruption by sending crafted DTLS fragments with conflicting message lengths.

GnuTLS cve-2026-33846 dtls heap overflow network
2r 1t 1c