Resource Exhaustion Affecting python36:3.6/python3-wheel-wheel package, versions <1:0.31.1-3.module+el8.5.0+12207+5c5719bc


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.56% (78th percentile)

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  • Snyk IDSNYK-RHEL8-PYTHON36-4122393
  • published26 Jul 2021
  • disclosed11 Jan 2021

Introduced: 11 Jan 2021

CVE-2021-27291  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:8 python36:3.6/python3-wheel-wheel to version 1:0.31.1-3.module+el8.5.0+12207+5c5719bc or higher.
This issue was patched in RHSA-2021:4150.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python36:3.6/python3-wheel-wheel package and not the python36:3.6/python3-wheel-wheel package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular expressions have exponential or cubic worst-case complexity and are vulnerable to ReDoS. By crafting malicious input, an attacker can cause a denial of service.

CVSS Scores

version 3.1