Multiple vulnerabilities in GnuTLS, including arbitrary code execution, denial of service, and authentication bypasses, affect the gnutls28 library. The advisory lists CVEs CVE-2026-3832 (CVSS 3.7) and CVE-2026-3833 (CVSS 6.5), among others, but specific attack vectors and affected version ranges are not detailed in the provided text. For Debian Bookworm, the fixed version is 3.7.9-2+deb12u7, and for Trixie, it is 3.8.9-3+deb13u4.
[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index] [SECURITY] [DSA 6281-1] gnutls28 security update To: debian-security-announce@lists.debian.org Subject: [SECURITY] [DSA 6281-1] gnutls28 security update From: Salvatore Bonaccorso <carnil@debian.org> Date: Tue, 19 May 2026 20:43:27 +0000 Message-id: <[🔎] E1wPRHj-0000000DUnA-0JYV@seger.debian.org> Reply-to: debian-security-announce-request@lists.debian.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6281-1 security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso May 19, 2026 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : gnutls28 CVE ID : CVE-2026-3832 CVE-2026-3833 CVE-2026-5260 CVE-2026-5419 CVE-2026-33845 CVE-2026-33846 CVE-2026-42009 CVE-2026-42010 CVE-2026-42011 CVE-2026-42012 CVE-2026-42013 CVE-2026-42014 CVE-2026-42015 Debian Bug : 1135319 Multiple security vulnerabilities have been discovered in GnuTLS, a library implementing the TLS and SSL protocols, which may result in execution of arbitrary code, denial of service, information leak, certificate misuse, name constraint bypass, authentication bypass, revocation bypass or timing side-channel attacks. For the oldstable distribution (bookworm), these problems have been fixed in version 3.7.9-2+deb12u7. For the stable distribution (trixie), these problems have been fixed in version 3.8.9-3+deb13u4. We recommend that you upgrade your gnutls28 packages. For the detailed security status of gnutls28 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/gnutls28 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEERkRAmAjBceBVMd3uBUy48xNDz0QFAmoMytNfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDQ2 NDQ0MDk4MDhDMTcxRTA1NTMxRERFRTA1NENCOEYzMTM0M0NGNDQACgkQBUy48xND z0SQ0g//bFFKW9K8xKAwvEP4Lbm6MZ9YOdPkLM4uA4gsgFIUNM4RKxgfYJ6NGyl1 IIzL2gkNjnRbFRHl8NIH6V8S8I8EA7i20Gnmz1HMsi1u0H/Mmo0nMTzCSr1ZC/qr hviyl6njQAejSn/6lYVovMD61UBkL1Oe0DAj0oPVm2YeR3it+WxJVeqi4t63Om4Z UjrEFCMT8ofPfEqBa/IzZjkGgcRQ1r5ixTMaNSjB12oBRy0PniIsSr6t7piXH7ef XbnHc22gTkFTcawPI3mg1D82bHFjDoJck0b2LPJuqZkFpNiyFv9LeMtsldoC5mHA gr6UaZQ9VlcPBq0FRNrnn3eGSRpXCBSppIl+e0RdD9NsHA5LseL8+xzEbqNgI7kq u28wyqDiNNhsraZ5FEgkUsbFNMINcgajvEgv46nvXdm9s4QAvF6nBh+/qHhMwcgj 0HmcX+5F1cws6bm/RhKQOv+YIWhKOS36Xx85wUx0J+rOkMw9ffadlgcCwnTOTPJk 4dEkUbdeImrRj3UWqskRzTjvILP3TK3etXRwiLhJKggEquj5Gqbuic/ufVSj2Rn6 2Q/XqaEpHtix+PNZ9NHVxbQyCbndKlh+3aEjnHpzURH//FIGNQhoT5+A3cS8m7xW QoqmkqWilQNrflq9gQobYtEPt09rloPB5QzR/dNmHQvfvegBkuw= =i6rt -----END PGP SIGNATURE----- Reply to: debian-security-announce@lists.debian.org Salvatore Bonaccorso (on-list) Salvatore Bonaccorso (off-list) Prev by Date: [SECURITY] [DSA 62801] netatalk security update Previous by thread: [SECURITY] [DSA 62801] netatalk security update Index(es): Date Thread