Low: Red Hat Security Advisory: libtasn1 security update

An update for libtasn1 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CV...

EulerOS Virtualization 2.13.0 : libtasn1 (EulerOS-SA-2026-2177)

According to the versions of the libtasn1 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a...

CVE-2026-8507

Crypt::OpenSSL::PKCS12 versions through 1.94 for Perl have out-of-bounds OOB write flaws. When parsing a PKCS12 file, with a = 1 GiB OCTET STRING or BIT STRING attribute on a SAFEBAG, via info or infoashash, a heap out-of-bounds write would be triggered with remote-code-execution potential RCE du...

CVE-2026-8507 Crypt::OpenSSL::PKCS12 versions through 1.94 for Perl have out-of-bounds (OOB) write flaws

Crypt::OpenSSL::PKCS12 versions through 1.94 for Perl have out-of-bounds OOB write flaws. When parsing a PKCS12 file, with a = 1 GiB OCTET STRING or BIT STRING attribute on a SAFEBAG, via info or infoashash, a heap out-of-bounds write would be triggered with remote-code-execution potential RCE du...

Astra Linux – Vulnerability in opensc

Before version 0.20.0-rc1, OpenSC had a buffer overflow vulnerability related to the ASN.1 Octet string in the asn1decodeentry function in libopensc/asn1.c...

OESA-2026-2164 opencryptoki security update

openCryptoki is an implementation of the PKCS 11 API that allows interfacing to devices that hold cryptographic information and perform cryptographic functions. openCryptoki provides application portability by isolating the application from the details of the cryptographic device. Isolating the...

OESA-2026-2163 opencryptoki security update

openCryptoki is an implementation of the PKCS 11 API that allows interfacing to devices that hold cryptographic information and perform cryptographic functions. openCryptoki provides application portability by isolating the application from the details of the cryptographic device. Isolating the...

JLSEC-2026-276 Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads...

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

OESA-2026-1838 python-ecdsa security update

This is an easy-to-use implementation of ECDSA cryptography Elliptic Curve Digital Signature Algorithm, implemented purely in Python, released under the MIT license. With this library, you can quickly create keypairs signing key and verifying key, sign messages, and verify the signatures. The key...

SUSE CVE-2026-31789

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

EUVD-2026-19968

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write via the hexadecimal conversion process of excessively large OCTET STRING values in X.509 certificate extensions such as Subject Key Identifier or Authority Key Identifier. An attacker can cause a crash, execute...

CVE-2026-31789

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

DEBIAN-CVE-2026-31789

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

ALPINE-CVE-2026-31789

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

CVE-2026-31789 Heap Buffer Overflow in Hexadecimal Conversion

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

CVE-2026-31789 Heap Buffer Overflow in Hexadecimal Conversion

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

CVE-2026-31789

OpenSSL vulnerability CVE-2026-31789: on 32-bit platforms, converting a large OCTET STRING (e.g., SKID/AKID in X.509 certificates) to hex can overflow the buffer, causing a heap overflow that may crash or enable attacker-controlled behavior. Affected are OpenSSL versions with the vulnerable conve...

CVE-2026-31789

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

PT-2026-31040

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32-bit platforms. This occurs when a crafted X.509 certificate contains an...