VULNERABILITY INTELLIGENCE

CVE-2026-23490

CVSS score7.5 HIGH
EPSS probability0.76%
CISA KEVNot currently listed
Published2026-01-16
Last modified2026-09-09
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • security-advisories@github.com: CWE-770
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-770

Primary references