RHEL 10 : python-pyasn1 (RHSA-2026:4138)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:4138 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic da...

RockyLinux 10 : python-pyasn1 (RLSA-2026:3354)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:3354 advisory. pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID CVE-2026-23490 Tenable has extracted the preceding description block...

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...

ALSA-2026:3354 Important: python-pyasn1 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

SUSE-SU-2026:20447-1 Security update for python-pyasn1

This update for python-pyasn1 fixes the following issues: - CVE-2026-23490: Fixed malformed RELATIVE-OID with excessive continuation octets leading to Denial of Service bsc1256902...

SUSE-SU-2026:0430-1 Security update for python-pyasn1

This update for python-pyasn1 fixes the following issues: - CVE-2026-23490: Fixed malformed RELATIVE-OID with excessive continuation octets leading to Denial of Service bsc1256902...

RHEL 8 : resource-agents (RHSA-2026:2460)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:2460 advisory. The resource-agents packages provide the Pacemaker and RGManager service managers with a set of scripts. These scripts interface with several service...

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...

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...

fence-agents security update

An update is available for fence-agents. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The fence-agents packages provide a collection of scripts for handling...

Important: Red Hat Security Advisory: fence-agents security update

An update for fence-agents is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

Important: fence-agents security update

The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from the cluster. Security Fixes: pyasn1: pyasn1: Denial of Service due to memory exhaustion from malform...

[SECURITY] [DSA 6114-1] pyasn1 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6114-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso January 28, 2026 https://www.debian.org/security/faq -...

SUSE-SU-2026:0300-1 Security update for python-pyasn1

This update for python-pyasn1 fixes the following issues: - CVE-2026-23490: Fixed malformed RELATIVE-OID with excessive continuation octets leading to Denial of Service bsc1256902...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the valueDecoder function in decoder.py. An attacker can cause memory exhaustion by submitting a malformed RELATIVE-OID containing excessive continuation octets. PoC python import...

pyasn1 has a DoS vulnerability in decoder

Summary After reviewing pyasn1 v0.6.1 a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. Details The integer issue can be found in the decoder as reloid += subId 7 + nextSubId,:...

CVE-2026-23490

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2...

UBUNTU-CVE-2026-23490

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2...

CVE-2026-23490

CVE-2026-23490 affects the Python ASN.1 library pyasn1. Prior to 0.6.2, a Denial-of-Service condition can cause memory exhaustion via malformed RELATIVE-OID with excessive continuation octets. The issue is fixed in 0.6.2. Affected versions are those before the upgrade; CVSS v3.1 base score is 7.5...