Debian pyasn1 Important Denial of Service Fix DSA-6114-1 CVE-2026-23490
debian
January 28, 2026
It was discovered that pyasn1, a generic ASN.1 library for Python, is prone to a denial of service vulnerability, which may result in memory exhaustion from malformed OID/RELATIVE-...
Topics Covered
Summary
For the oldstable distribution (bookworm), this problem has been fixed
in version 0.4.8-3+deb12u1.
For the stable distribution (trixie), this problem has been fixed in
version 0.6.1-1+deb13u1.
We recommend that you upgrade your pyasn1 packages.
For the detailed security status of pyasn1 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/pyasn1
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
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Package: pyasn1
CVE ID: CVE-2026-23490
Topics Covered
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