HarborGuard / CVE
Back to search
HIGHCVE-2026-23490Published Modified CNA GitHub_M

CVE-2026-23490: pyasn1 has a DoS vulnerability in decoder

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.

Metrics

CVSS v3.1
7.5
Severity
HIGH
Fixed in
Affected Products
1
Affected packages
  • pyasn1 / pyasn1
    < 0.6.2
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H