phpseclib has a CVE-2024-27355 mitigation bypass — OID amplification DoS in ASN1::decodeOID()

Impact Anyone loading untrusted ASN1 files eg. X509 certificates, RSA PKCS8 private or public keys, etc Patches https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc Workarounds No. References...

Security Bulletin: pyasn1 Uncontrolled Recursion in ASN.1 Decoding Enables Denial of Service

Summary 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...

Ubuntu: Security Advisory (USN-8129-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2026-30922 pyasn1 Vulnerable to Denial of Service via Unbounded Recursion

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...

Linux Distros Unpatched Vulnerability : CVE-2026-30922

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 recursio...

PT-2026-25973

Name of the Vulnerable Software and Affected Versions pyasn1 versions prior to 0.6.3 Description The pyasn1 library is susceptible to a Denial of Service DoS attack stemming from uncontrolled recursion when decoding ASN.1 data containing deeply nested structures. An attacker can craft a payload...

MiracleLinux 4 : openssl-1.0.1e-42.AXS4.1 (AXSA:2015-934:07)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2015-934:07 advisory. Security issues fixed with this release: CVE-2015-3194 crypto/rsa/rsaameth.c in OpenSSL 1.0.1 before 1.0.1q and 1.0.2 before 1.0.2e allows remote...

CVE-2024-11706

A null pointer dereference may have inadvertently occurred in pk12util, and specifically in the SECASN1DecodeItemUtil function, when handling malformed or improperly formatted input files. This vulnerability affects Firefox 133 and Thunderbird 133...

SUSE CVE-2024-26851

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackh323: Add protection for bmp length out of range UBSAN load reports an exception of BRK5515 SHIFTISSUE:Bitwise shifts that are out of bounds for their data type. vmlinux getbitmapb=75 + 712 vmlinux...

PT-2023-35617 · Git +1 · Opensc

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: The issue is related to a stack-buffer-overflow read error. Technical details about the crash include the functions asn1 decode entry, asn1 decode, and s...

SUSE CVE-2008-1673

The asn1 implementation in a the Linux kernel 2.4 before 2.4.36.6 and 2.6 before 2.6.25.5, as used in the cifs and ipnatsnmpbasic modules; and b the gxsnmp package; does not properly validate length values during decoding of ASN.1 BER data, which allows remote attackers to cause a denial of servi...

kernel: tags with indefinite length can corrupt pointers in asn1_find_indefinite_length()

A flaw was found in the way the Linux kernel's ASN.1 DER decoder processed certain certificate files with tags of indefinite length. A local, unprivileged user could use a specially crafted X.509 certificate DER file to crash the system or, potentially, escalate their privileges on the system...

USN-2959-1 openssl vulnerabilities

Huzaifa Sidhpurwala, Hanno Böck, and David Benjamin discovered that OpenSSL incorrectly handled memory when decoding ASN.1 structures. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2016-2108 Juraj...

GNU Libtasn1 'decoding.c' Heap Buffer Overflow Vulnerability

GNU Libtasn1 is a stand-alone library written in C for manipulating ASN.1 objects that include DER/BER encoding and decoding. A heap buffer overflow vulnerability exists in the asn1extractderoctet function of GNU Libtasn1 lib/decoding.c. A remote attacker could cause a denial of service by...

gnutls: gnutls_x509_crt_get_serial incorrect serial decoding from ASN1 (BE64) [GNUTLS-SA-2010-1]

The gnutlsx509crtgetserial function in the GnuTLS library before 1.2.1, when running on big-endian, 64-bit platforms, calls the asn1readvalue with a pointer to the wrong data type and the wrong length value, which allows remote attackers to bypass the certificate revocation list CRL check and cau...