Loop with Unreachable Exit Condition ('Infinite Loop') The advisory has been revoked - it doesn't affect any version of package python39-PyMySQL (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ROCKY8-PYTHON39PYMYSQL-3203087
- published5 Jan 2023
- disclosed23 Mar 2021
Introduced: 23 Mar 2021
CVE-2021-20270 (opens in a new tab)Amendment
The Rocky-Linux security team deemed this advisory irrelevant for Rocky-Linux:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python39-PyMySQL package and not the python39-PyMySQL package as distributed by Rocky-Linux.
An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only contains the "exception" keyword.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20270
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20270.json
- https://bugzilla.redhat.com/show_bug.cgi?id=1922136
- https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html
- https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html
- https://www.debian.org/security/2021/dsa-4889
- https://www.oracle.com/security-alerts/cpuoct2021.html