CVE-2022-40896

A ReDoS issue was discovered in pygments/lexers/smithy.py in pygments through 2.15.0 via SmithyLexer.

• CWE-434

• https://github.com/pygments/pygments/blob/master/pygments/lexers/smithy.py#L61Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZGMXALE3HSP4OXC7UUWIKX3OXKZDTY3/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZO4BQCIY2S2KZYHERQMKURB7AHXDBO/
• https://pypi.org/project/Pygments/Product
• https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages-part-2/Exploit, Patch, Third Party Advisory
• https://github.com/pygments/pygments/blob/master/pygments/lexers/smithy.py#L61Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZGMXALE3HSP4OXC7UUWIKX3OXKZDTY3/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZO4BQCIY2S2KZYHERQMKURB7AHXDBO/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EZGMXALE3HSP4OXC7UUWIKX3OXKZDTY3/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUZO4BQCIY2S2KZYHERQMKURB7AHXDBO/
• https://pypi.org/project/Pygments/Product
• https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages-part-2/Exploit, Patch, Third Party Advisory

Published

Jul 19, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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