CVE-2026-40510

OpenSC before 0.27.0-rc1, fixed in commit 3f24f0b, contains a stack buffer overflow vulnerability in pivprocesshistory in src/libopensc/card-piv.c that allows physically present attackers to trigger memory corruption by presenting a crafted PIV smart card or USB device returning a URL field longe...

CVE-2026-45615

ASN.1 compiler mouse07410/asn1c (1.4 and earlier) contains a memory-safety flaw in the OER decoding skeleton (INTEGER_oer.c). Parsing a crafted, zero-length OER payload for a variable-length, non-negative INTEGER can skip required-byte validation before extracting the MSB, causing a precise 1-byt...

CVE-2026-43988 Vanetza: Remote Denial of Service via Uncaught Exception in ASN.1/OER Parsing

Vanetza is an open-source implementation of the ETSI C-ITS protocol suite. In 26.02 and earlier, a denial-of-service vulnerability was identified in the ASN.1/OER parsing pipeline of Vanetza. When processing malformed network packets containing corrupted ASN.1/OER structures e.g., invalid length...

pyasn1: pyasn1 Vulnerable to Denial of Service via Unbounded Recursion

An unbounded recursion flaw has been discovered in the pypi pyasn1 library. This uncontrolled recursion occurs when decoding ASN.1 data with deeply nested structures. An attacker can supply a crafted payload containing nested SEQUENCE 0x30 or SET 0x31 tags with Indefinite Length 0x80 markers. Thi...

Astra Linux - уязвимость в bouncycastle

Bouncy Castle for Java before version 1.73 contains a potential Denial of Service DoS issue within the Bouncy Castle org.bouncycastle.openssl.PEMParser class. This class parses OpenSSL PEM-encoded streams containing X.509 certificates, PKCS8-encoded keys, and PKCS7 objects. Parsing a file that...

SUSE-SU-2026:21559-1 Security update for wireshark

This update for wireshark fixes the following issues - CVE-2026-3201: missing limit checks in USB HID protocol dissector's parsereportdescriptor function can lead to memory exhaustion bsc1258907. - CVE-2026-3203: missing length checks in the RF4CE Profile protocol dissector can lead to illegal...

Astra Linux - уязвимость в heimdal, samba

Before version 7.7.1, Heimdal allowed remote attackers to execute arbitrary code due to an invalid free operation in the ASN.1 codec used by the Key Distribution Center KDC...

JLSEC-2026-239 Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them...

Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact summary: Applications that use OBJobj2txt directly, or use any of the OpenSSL subsystems OCSP, PKCS7/SMIME, CMS, CMP/CRMF or TS with no message size limit may experience...

ROS-20260420-73-0020

Vulnerability ASN.1 in the pyasn1 library of the Python programming language is related to unrestricted resource allocation. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

Debian dsa-6194 : python-pyasn1-doc - security update

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6194 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6194-1 [email protected] https://www.debian.org/security/...

CVE-2026-30922

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the pyasn1 library is vulnerable to a Denial of Service DoS attack caused by uncontrolled recursion when decoding ASN.1 data with deeply nested structures. An attacker can supply a crafted payload containing thousands of nested SEQUENC...

GHSA-JR27-M4P2-RC6R Denial of Service in pyasn1 via Unbounded Recursion

Summary The pyasn1 library is vulnerable to a Denial of Service DoS attack caused by uncontrolled recursion when decoding ASN.1 data with deeply nested structures. An attacker can supply a crafted payload containing nested SEQUENCE 0x30 or SET 0x31 tags with Indefinite Length 0x80 markers. This...

pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID

A flaw was found in pyasn1, a generic ASN.1 library for Python. A remote attacker could exploit this vulnerability by sending a specially crafted RELATIVE-OID with excessive continuation octets. This input validation vulnerability leads to memory exhaustion, resulting in a Denial of Service DoS f...

OESA-2026-1260 python-pyasn1 security update

Abstract Syntax Notation One ASN.1 is a technology for exchanging structured data in a universally understood, hardware agnostic way. Many industrial, security and telephony applications heavily rely on ASN.1. The pyasn1 library implements ASN.1 support in pure-Python. Security Fixes: pyasn1 is a...

📄 OpenSSL 3.x ASN.1 AES‑GCM Nonce Stack Corruption

This Metasploit auxiliary module generates a specially crafted CMS file encoded in DER format to test a stack-based buffer overflow vulnerability in OpenSSL's ASN.1 parser related to improper handling of oversized AES-GCM nonce IV values within AES-GCM-Parameters as defined in RFC 5084. The...

TencentOS Server 4: python-pyasn1 (TSSA-2026:0038)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0038 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

CVE-2024-34235

Open5GS MME versions = 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send an Initial UE Message missing a required NASPDU field to repeatedly crash the MME, resulting in denial of service...

CVE-2019-18840

In wolfSSL 4.1.0 through 4.2.0c, there are missing sanity checks of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer overflow inside the DecodedCert structure in GetName in wolfcrypt/src/asn.c because the domain name location...

CVE-2019-16748

In wolfSSL through 4.1.0, there is a missing sanity check of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer over-read in CheckCertSignatureex in wolfcrypt/src/asn.c...

CVE-2025-66030 node-forge ASN.1 OID Integer Truncation

Forge also called node-forge is a native implementation of Transport Layer Security in JavaScript. An Integer Overflow vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft ASN.1 structures containing OIDs with oversized arcs. These arcs may be...