REDHAT-BUG-2430472: High severity pypi/pyasn1 vulnerability

Published Jan 16, 2026
·
Updated

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.

Affected Software

1 affected component
pypi/pyasn1<0.6.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade pyasn1 to a version that resolves this vulnerability.

    Fixed in 0.6.2

Event History

Jan 16, 2026
Data Sourced
via Red Hat·08:03 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2430472?

The severity of REDHAT-BUG-2430472 is classified as a Denial-of-Service vulnerability due to memory exhaustion from malformed RELATIVE-OID.

2

How do I fix REDHAT-BUG-2430472?

To fix REDHAT-BUG-2430472, upgrade pyasn1 to version 0.6.2 or later.

3

What versions of pyasn1 are affected by REDHAT-BUG-2430472?

Versions of pyasn1 prior to 0.6.2 are affected by REDHAT-BUG-2430472.

4

What type of vulnerability is REDHAT-BUG-2430472?

REDHAT-BUG-2430472 is a Denial-of-Service vulnerability.

5

Is a patch available for REDHAT-BUG-2430472?

Yes, a patch is available in pyasn1 version 0.6.2, which addresses REDHAT-BUG-2430472.

Contact

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