Rocky Linux 9 [CIQ] Security Update: python3-pyasn1 / python3-pyasn1-modules (crlsa-2026_3359)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20263359 advisory. pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID CVE-2026-23490 Tenable has extracted the preceding description block directly...

Rocky Linux 9 [CIQ] Security Update: fence-agents-aliyun / fence-agents-all / fence-agents-amt-ws / etc (crlsa-2026_1903)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20261903 advisory. pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID CVE-2026-23490 Tenable has extracted the preceding description block directly...

CentOS Linux 7 [TuxCare] Security Update: python2-pyasn1 / python2-pyasn1-modules (CENTOS7:CLSA-2026:1774431305)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1774431305 advisory. - 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...

Rocky Linux 8 [CIQ] Security Update: python3-pyasn1 / python3-pyasn1-modules (crlsa-2026_4146)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20264146 advisory. pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID CVE-2026-23490 Tenable has extracted the preceding description block directly...

Rocky Linux 8 [CIQ] Security Update: fence-agents-aliyun / fence-agents-aliyun-debuginfo / etc (crlsa-2026_1906)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20261906 advisory. pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID CVE-2026-23490 Tenable has extracted the preceding description block directly...

EulerOS Virtualization 2.11.0 : python-pyasn1 (EulerOS-SA-2026-3553)

According to the versions of the python-pyasn1 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS Virtualization 2.11.1 : python-pyasn1 (EulerOS-SA-2026-3466)

According to the versions of the python-pyasn1 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : 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...

TencentOS Server 3: resource-agents (TSSA-2026:0893)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0893 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

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...

EulerOS Virtualization 2.12.0 : python-pyasn1 (EulerOS-SA-2026-2799)

According to the versions of the python-pyasn1 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS Virtualization 2.10.0 : python-pyasn1 (EulerOS-SA-2026-2866)

According to the versions of the python-pyasn1 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : 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...

SUSE-SU-2026:22830-1 Security update for python-pyasn1

This update for python-pyasn1 fixes the following issues: - CVE-2026-59884: BER/CER/DER decoder denial of service via unbounded long-form tag IDs bsc1271464. - CVE-2026-59885: quadratic complexity in OBJECT IDENTIFIER and RELATIVE-OID processing allows denial of service bsc1271465. -...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity via the decode process. An attacker can cause excessive CPU consumption and disrupt service availability by submitting specially crafted ASN.1 data containing OBJECT IDENTIFIER or RELATIVE-OID values...

CVE-2026-59885 pyasn1: Quadratic complexity in OBJECT IDENTIFIER and RELATIVE-OID processing allows denial of service

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER, CER, and DER decoders process OBJECT IDENTIFIER and RELATIVE-OID values in quadratic time relative to the number of arcs, so a small crafted payload containing an OID with many arcs consumes excessive CPU per decode call and c...

EulerOS 2.0 SP10 : python-pyasn1 (EulerOS-SA-2026-2709)

According to the versions of the python-pyasn1 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS 2.0 SP10 : python-pyasn1 (EulerOS-SA-2026-2668)

According to the versions of the python-pyasn1 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS 2.0 SP12 : python-pyasn1 (EulerOS-SA-2026-2561)

According to the versions of the python-pyasn1 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

pyasn1 has a DoS vulnerability in decoder

SummaryAfter 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. DetailsThe integer issue can be found in the decoder as reloid += subId 7 + nextSubId,:...

PYSEC-2026-1810 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,:...

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...