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.
References
| Link | Resource |
|---|---|
| https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970 | Patch |
| https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2 | Product Release Notes |
| https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq | Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2026/02/msg00002.html | Vendor Advisory |
Configurations
History
13 Mar 2026, 14:19
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970 - Patch | |
| References | () https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2 - Product, Release Notes | |
| References | () https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq - Vendor Advisory | |
| References | () https://lists.debian.org/debian-lts-announce/2026/02/msg00002.html - Vendor Advisory | |
| First Time |
Debian
Debian debian Linux Pyasn1 Pyasn1 pyasn1 |
|
| CPE | cpe:2.3:a:pyasn1:pyasn1:*:*:*:*:*:python:*:* cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
01 Feb 2026, 17:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
16 Jan 2026, 19:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-01-16 19:16
Updated : 2026-03-13 14:19
NVD link : CVE-2026-23490
Mitre link : CVE-2026-23490
CVE.ORG link : CVE-2026-23490
JSON object : View
Products Affected
debian
- debian_linux
pyasn1
- pyasn1
CWE
CWE-770
Allocation of Resources Without Limits or Throttling