Allocation of Resources Without Limits or Throttling Affecting python3-pyasn1-modules package, versions <0:0.1.9-7.amzn2.0.3


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.76% (55th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHON3PYASN1MODULES-15245244
  • published6 Feb 2026
  • disclosed16 Jan 2026

Introduced: 16 Jan 2026

CVE-2026-23490  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python3-pyasn1-modules to version 0:0.1.9-7.amzn2.0.3 or higher.
This issue was patched in ALAS2-2026-3148.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-pyasn1-modules package and not the python3-pyasn1-modules package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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.

References

CVSS Base Scores

version 3.1