CVE-2026-42015: Off-by-one Error

A flaw was found in gnutls. An off-by-one error exists in the PKCS12 bag element bounds check. This vulnerability allows an remote attacker to write past the internal array of a PKCS12 bag when appending to a bag that already contains 32 elements. This memory corruption could lead to a denial of...

Security update for gnutls (important)

openSUSE security update: security update for gnutls ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20778-1 Rating: important References: bsc1263704 bsc1263705 bsc1263706 bsc1263707 bsc1263708 bsc1263709 bsc1263710 bsc1263711 bsc1263712 bsc1263713...

Photon OS 5.0: Gnutls PHSA-2026-5.0-0852

An update of the gnutls package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-0852. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Gnutls: gnutls: denial of service via dtls packet reordering vulnerability

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Important Photon OS Security Update - PHSA-2026-4.0-1024

Updates of 'gnutls' packages of Photon OS have been released...

[SECURITY] [DLA 4595-1] gnutls28 security update

Debian LTS Advisory DLA-4595-1 [email protected] https://www.debian.org/lts/security/ Guilhem Moulin May 22, 2026 https://wiki.debian.org/LTS Package : gnutls28 Version : 3.7.1-5+deb11u10 CVE ID : CVE-2026-3833 CVE-2026-5260 CVE-2026-33845 CVE-2026-33846 CVE-2026-42009 CVE-2026-42010...

OESA-2026-2403 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

SUSE-SU-2026:21867-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short ciphertexts bsc1263715. - CVE-2026-5419: gnutlscipherdecrypt3: make PKCS7 unpadding...

SUSE-SU-2026:21784-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short ciphertexts bsc1263715. - CVE-2026-5419: gnutlscipherdecrypt3: make PKCS7 unpadding...

Unity Linux 20.1060e / 20.1070e Security Update: mutt (UTSA-2026-016642)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016642 advisory. Mutt before 1.14.3 proceeds with a connection even if, in response to a GnuTLS certificate prompt, the user rejects an expired intermediate certificate. Tenable has...

The vulnerability of the compare_strings() function in the GnuTLS library allows a malicious actor to gain unauthorized access to protected information.

The vulnerability of the comparestrings function in the GnuTLS library is related to shortcomings in the mechanism for handling register-dependent data. Exploiting this vulnerability could allow an attacker to gain unauthorized access to protected information...

The vulnerability of the check_ocsp_response() function in the GnuTLS library, which allows a hacker to bypass existing security mechanisms

The vulnerability of the checkocspresponse function in the GnuTLS library is related to the incorrect order of operation of the input validation mechanism. Exploiting this vulnerability could allow a malicious actor to bypass existing security measures remotely...

gnutls bug fix and enhancement update

An update is available for gnutls. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky Linux 9.4...

curl: curl GnuTLS backend accepts a clientAuth-only certificate for HTTPS server authentication

Summary: When curl/libcurl is built with the GnuTLS backend, the current HTTPS server-certificate validation path verifies the trust chain and hostname but does not enforce TLS server Extended Key Usage semantics. As a result, a leaf certificate that chains to a trusted CA, matches the requested...

Photon OS 4.0: Gnutls PHSA-2026-4.0-1016

An update of the gnutls package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-4.0-1016. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : GnuTLS vulnerabilities (USN-8284-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8284-1 advisory. Joshua Rogers discovered that GnuTLS did not properly handle malformed DTLS handshake fragments in certain cases. A remot...

USN-8284-1: GnuTLS vulnerabilities

Joshua Rogers discovered that GnuTLS did not properly handle malformed DTLS handshake fragments in certain cases. A remote attacker could possibly use this issue to obtain sensitive information, or cause a denial of service. CVE-2026-33845 Haruto Kimura, Oscar Reparaz, and Zou Dikai discovered th...

USN-8284-1 gnutls28 vulnerabilities

Joshua Rogers discovered that GnuTLS did not properly handle malformed DTLS handshake fragments in certain cases. A remote attacker could possibly use this issue to obtain sensitive information, or cause a denial of service. CVE-2026-33845 Haruto Kimura, Oscar Reparaz, and Zou Dikai discovered th...

Astra Linux - уязвимость в gnutls28

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[SECURITY] [DSA 6281-1] gnutls28 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6281-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso May 19, 2026 https://www.debian.org/security/faq -...