Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : GnuTLS vulnerabilities (USN-8539-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8539-1 advisory. Haruto Kimura discovered that GnuTLS did not properly apply permitted name constraints in certain certificate validation paths. A...

SUSE SLES12: gnutls / libgnutls-devel / libgnutls-openssl-devel / etc (SUSE-SU-2026:2924-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2924-1 advisory. This update for gnutls fixes the following issues - CVE-2026-3833: incorrectly accepted domain names due to comparison during name constraints...

Security update for gnutls

This update for gnutls fixes the following issues CVE-2026-3833: incorrectly accepted domain names due to comparison during name constraints processing being case-sensitive bsc1263707. CVE-2026-5260: heap overread when processing extremely short premaster secret as part of an RSA key exchange...

Security update for gnutls

This update for gnutls fixes the following issues CVE-2026-3833: incorrectly accepted domain names due to comparison during name constraints processing being case-sensitive bsc1263707. CVE-2026-5260: heap overread when processing extremely short premaster secret as part of an RSA key exchange...

PYSEC-2026-1285 Null pointer dereference in PKCS12 parsing

Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service attack Impact summary: Applications loading files in the PKCS12 format from untrusted sources might terminate abruptly. A file in PKCS12 format can contain certificates...

Important: Red Hat Security Advisory: gnutls and libtasn1 security update

An update for multiple packages is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

gnutls: gnutls: Memory corruption due to off-by-one error in PKCS#12 bag handling

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...

gnutls: gnutls: Memory corruption due to off-by-one error in PKCS#12 bag handling

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...

gnutls: gnutls: Memory corruption due to off-by-one error in PKCS#12 bag handling

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...

Oracle Linux 9 : gnutls (ELSA-2026-20612)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20612 advisory. - Fix CVE-2026-33846 DTLS fragment reassembly, High, heap overwrite - Fix CVE-2026-42009 DTLS fragment reassembly, High, undefined behaviour - Fix...

gnutls: gnutls: Memory corruption due to off-by-one error in PKCS#12 bag handling

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...

gnutls security fix update

3.8.10-4fips - Add FIPS package change: add fips suffix to Release and set Epoch to 10 Orabug: 35925409 - Update FIPS module name for Oracle Linux Orabug: 35925409 3.8.10-4 - Fix CVE-2026-33846 DTLS fragment reassembly, High, heap overwrite - Fix CVE-2026-42009 DTLS fragment reassembly, High,...

Oracle Linux 9 : compat-openssl11 (ELSA-2026-19187)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-19187 advisory. 1:1.1.1k-5.2 - Fixes CVE-2025-69419 OpenSSL: Arbitrary code execution due to out-of-bounds write in PKCS12 processing Resolves: RHEL-142723 Tenable has extract...

GO-2026-5052 Vulnerability in software.sslmate.com/src/go-pkcs12

Users who decode PKCS12 files from untrusted sources and rely on the password for authentication can be tricked into accepting malicious PKCS12 files...

Important: openssl

Issue Overview: Issue summary: Parsing a crafted DER-encoded ASN.1 structure with a primitive element whose content exceeds 2 gigabytes in length may cause a heap buffer over-read on 64-bit Unix and Unix-like platforms. Impact summary: The heap buffer over-read may crash the application Denial of...

CVE-2026-9265

Crypt::OpenSSL::PKCS12 versions before 1.96 for Perl permits a heap OOB read in printattribute UTF8STRING path. printattribute copies a UTF8STRING ASN.1 attribute value into a heap buffer sized exactly to its declared length via strncpy, leaving no NUL terminator. Downstream callers run strlen on...

CVE-2026-9265

Crypt::OpenSSL::PKCS12 versions before 1.96 for Perl permits a heap OOB read in printattribute UTF8STRING path. printattribute copies a UTF8STRING ASN.1 attribute value into a heap buffer sized exactly to its declared length via strncpy, leaving no NUL terminator. Downstream callers run strlen on...

gnutls: gnutls: Memory corruption due to off-by-one error in PKCS#12 bag handling

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...

SUSE CVE-2026-34181

Issue Summary: The PKCS12 file processing fails to perform sufficient input validation for files that use Password-Based Message Authentication Code 1 PBMAC1 integrity mechanism allowing a certificate and private key forgery. Impact Summary: An attacker impersonating a user can cause a service...

CVE-2026-34181

The CVE-2026-34181 issue affects PKCS#12 file processing in OpenSSL where insufficient input validation for PBMAC1 allows forging certificates and private keys. An attacker impersonating a user could cause a service that reads PKCS#12 files to accept forged certificates and keys with about a 1 in...