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Unscored USN-7975-1 0 CVEs

pyasn1 vulnerability

Published Jan 22, 2026 · Updated Jun 30, 2026

Summary

It was discovered that pyasn1 incorrectly handled malformed RELATIVE-OIDs
with excessive continuation octets. An attacker could possibly use this
issue to cause pyasn1 to consume memory, leading to a denial of service.

Fixed packages 3

ReleasePackageFixed in
Ubuntu · 22.04 LTS 22.04:LTS pyasn1 0.4.8-1ubuntu0.1
Ubuntu · 24.04 LTS 24.04:LTS pyasn1 0.4.8-4ubuntu0.1
Ubuntu · 25.10 pyasn1 0.6.1-1ubuntu0.1

References

  • report
    https://ubuntu.com/security/CVE-2026-23490