Inefficient Regular Expression Complexity Affecting openshift4/ose-olm-catalogd-rhel9 package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.32% (25th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL8-OPENSHIFT4OSEOLMCATALOGDRHEL9-21087575
  • published16 Oct 2026
  • disclosed15 Oct 2026

Introduced: 15 Oct 2026

NewCVE-2026-88753  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 openshift4/ose-olm-catalogd-rhel9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openshift4/ose-olm-catalogd-rhel9 package and not the openshift4/ose-olm-catalogd-rhel9 package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A Regular-Expression Denial of Service (ReDoS) in the Markdown2. extract_metadata() function (lib/markdown2.py) of trentm markdown2 through v2.5.5 allows attackers to cause a Denial of Service (DoS) via a crafted Markdown document.

CVSS Base Scores

version 3.1