CVE-2026-23490
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- CVE-2026-23490
CVE Details
| Release Date: | 2026-01-16 | |
| Impact: | Important | What is this? |
Description
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.
See more information about CVE-2026-23490 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.5 |
| Vector String: | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 8 (fence-agents) | ELSA-2026-1906 | 2026-02-04 |
| Oracle Linux version 8 (resource-agents) | ELSA-2026-1904 | 2026-02-04 |
| Oracle Linux version 9 (fence-agents) | ELSA-2026-1903 | 2026-02-04 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:
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