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OpenAdvisories
Medium RHSA-2021:4161 1 CVE

Red Hat Security Advisory: python-jinja2 security update

Published Sep 13, 2024 · Updated Jul 3, 2026

Ecosystem: Red Hat

Fixed packages 2

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::appstream python-jinja2 0:2.10.1-3.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream python3-jinja2 0:2.10.1-3.el8

Vulnerabilities 1

  • Medium 5.3
    CVE-2020-28493

    Regular Expression Denial of Service (ReDoS)

    This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDoS vulnerability is mainly due to the `_punctuation_re regex` operator and its use of multiple wildcards. The last wildcard is the most exploitable as it searches for trailing punctuation. T…

    nodejs nodejs24 jinja2 jinja2 Debian Ubuntu Azure Linux Alpine PyPI

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • article
    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1928707
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4161.json
  • report
    https://access.redhat.com/security/cve/CVE-2020-28493
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-28493
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-28493