EUVD-2026-35477

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 PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys

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...

PT-2026-47844

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description A use-after-free condition occurs during PKCS7 signature verification when processing a specially crafted PKCS7 or S/MIME signed message. Specifically, if the SignedData digestAlgorithms fiel...

gnutls: gnutls: Information disclosure via heap overread in RSA key exchange

A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure...

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 安全漏洞

GnuTLS is an open-source, free security communication library developed by GnuTLS that enables the implementation of SSL, TLS, and DTLS protocols. GnuTLS has a security vulnerability, which stems from a single-bit error in the bounds checking of PKCS12 package elements. This vulnerability could...

Astra Linux - уязвимость в openssl

Issue Summary: Processing a maliciously formatted PKCS12 file may cause OpenSSL to crash, leading to a potential Denial of Service attack. Impact Summary: Applications that load files in PKCS12 format from untrusted sources may terminate abruptly. A PKCS12 file can contain certificates and keys,...

PT-2026-41582

Name of the Vulnerable Software and Affected Versions Crypt::OpenSSL::PKCS12 versions prior to 1.95 Description An out-of-bounds write flaw exists when parsing a PKCS12 file containing an OCTET STRING or BIT STRING attribute on a SAFEBAG of 1 GiB or larger. This issue is triggered via the info or...

[SECURITY] Fedora 44 Update: nss-3.122.2-1.fc44

Network Security Services NSS is a set of libraries designed to support cross-platform development of security-enabled client and server applications. Applications built with NSS can support SSL v2 and v3, TLS, PKCS 5, PKCS 7, PKCS 11, PKCS 12, S/MIME, X.509 v3 certificates, and other security...

JLSEC-2026-263 Issue summary: Calling PKCS12_get_friendlyname() function on a maliciously crafted PKCS#12 file...

Issue summary: Calling PKCS12getfriendlyname function on a maliciously crafted PKCS12 file with a BMPString UTF-16BE friendly name containing non-ASCII BMP code point can trigger a one byte write before the allocated buffer. Impact summary: The out-of-bounds write can cause a memory corruption...

CVE-2026-40253

openCryptoki is a PKCS11 library and provides tooling for Linux and AIX. In versions 3.26.0 and below, the BER/DER decoding functions in the shared common library asn1.c accept a raw pointer but no buffer length parameter, and trust attacker-controlled BER length fields without validating them...

[SECURITY] Fedora 43 Update: opensc-0.27.1-1.fc43

OpenSC provides a set of libraries and utilities to work with smart cards. Its main focus is on cards that support cryptographic operations, and facilitate their use in security applications such as authentication, mail encryption and digital signatures. OpenSC implements the PKCS11 API so...

wolfSSL 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the US company wolfSSL, designed for developers working with embedded systems. There is a security vulnerability in wolfSSL, which stems from the PKCS7 implementation in the wcPKCS7DecryptOri function. This...

CVE-2026-34610

A flaw was found in the leancrypto cryptographic library. A remote attacker can exploit an integer overflow vulnerability in the lcx509extractnamesegment function when processing the Common Name CN field of an X.509 certificate. By crafting a specially designed certificate, an attacker can cause...

ALSA-2026:5603 Moderate: opencryptoki security update

The opencryptoki packages contain version 2.11 of the PKCS11 API, implemented for IBM Cryptocards, such as IBM 4764 and 4765 crypto cards. These packages includes support for the IBM 4758 Cryptographic CoProcessor with the PKCS11 firmware loaded, the IBM eServer Cryptographic Accelerator FC 4960 ...

CVE-2026-0819

A stack buffer overflow vulnerability exists in wolfSSL's PKCS7 SignedData encoding functionality. In wcPKCS7BuildSignedAttributes, when adding custom signed attributes, the code passes an incorrect capacity value esd-signedAttribsCount to EncodeAttributes instead of the remaining available space...

openssl: OpenSSL: Arbitrary code execution due to out-of-bounds write in PKCS#12 processing

A flaw was found in OpenSSL. When processing a specially crafted PKCS12 Personal Information Exchange Syntax Standard file, a remote attacker can exploit an out-of-bounds write vulnerability. This issue, occurring within the OPENSSLuni2utf8 function, leads to memory corruption by writing data...

Fedora 43 : p11-kit (2026-f1fabb2a49)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-f1fabb2a49 advisory. Notable changes from the rebase: pkcs11: Update PKCS11 headers to version 3.2 rpc: fix NULL dereference via CDeriveKey with specific NULL parameters...

Security update for openssl-1_1

This update for openssl-11 fixes the following issues: CVE-2026-22795: Missing ASN1TYPE validation in PKCS12 parsing bsc1256839. CVE-2025-69420: Missing ASN1TYPE validation in TSRESPverifyresponse function bsc1256837. CVE-2025-69421: NULL Pointer Dereference in PKCS12itemdecryptd2iex function...

ALPINE-CVE-2026-22795

Issue summary: An invalid or NULL pointer dereference can happen in an application processing a malformed PKCS12 file. Impact summary: An application processing a malformed PKCS12 file can be caused to dereference an invalid or NULL pointer on memory read, resulting in a Denial of Service. A type...