QID 198305

Date Published: 2021-03-31

QID 198305: Ubuntu Security Notification for Pygments Vulnerability (USN-4885-1)

It was discovered that Pygments incorrectly handled parsing SML files.

If a user or automated system were tricked into parsing a specially crafted SML file, a remote attacker could cause Pygments to hang, resulting in a denial of service.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Refer to Ubuntu advisory USN-4885-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198305

    CVE-2021-20270 |
    Software Advisories
    Advisory ID Software Component Link
    USN-4885-1 16.04 (Xenial) on src python-pygments URL Logo launchpad.net/ubuntu/+source/pygments/2.1+dfsg-1ubuntu0.1
    USN-4885-1 16.04 (Xenial) on src python3-pygments URL Logo launchpad.net/ubuntu/+source/pygments/2.1+dfsg-1ubuntu0.1
    USN-4885-1 18.04 (bionic) on src python-pygments URL Logo launchpad.net/ubuntu/+source/pygments/2.2.0+dfsg-1ubuntu0.1
    USN-4885-1 18.04 (bionic) on src python3-pygments URL Logo launchpad.net/ubuntu/+source/pygments/2.2.0+dfsg-1ubuntu0.1
    USN-4885-1 20.04 (focal) on src python-pygments URL Logo launchpad.net/ubuntu/+source/pygments/2.3.1+dfsg-1ubuntu2.1
    USN-4885-1 20.04 (focal) on src python3-pygments URL Logo launchpad.net/ubuntu/+source/pygments/2.3.1+dfsg-1ubuntu2.1
    USN-4885-1 20.10 (groovy) on src python3-pygments URL Logo launchpad.net/ubuntu/+source/pygments/2.3.1+dfsg-4ubuntu0.1
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