CVE-2022-34749
First published: Mon Jul 25 2022(Updated: )
In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mistune Project Mistune | <=2.0.2 | |
| Fedoraproject Fedora | =37 | |
| pip/mistune | >=2.0.0a1<2.0.3 | 2.0.3 |
| IBM Cognos Analytics | <=12.0.0-12.0.3 | |
| IBM Cognos Analytics | <=11.2.0-11.2.4 FP4 |
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Reference Links
- https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2
- https://github.com/lepture/mistune/releases
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/
- https://nvd.nist.gov/vuln/detail/CVE-2022-34749
- https://github.com/pypa/advisory-database/tree/main/vulns/mistune/PYSEC-2022-237.yaml
- https://github.com/lepture/mistune/issues/314#issuecomment-1223972386
- https://github.com/lepture/mistune/commit/ca1e7b506850f4e488823fc7338b49a8f9852718
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63
- https://github.com/advisories/GHSA-fw3v-x4f2-v673 (Advisory)
- https://www.ibm.com/support/pages/node/7177223 (Advisory)
- collector/nvd-api
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/severity
- agent/author
- agent/remedy
- agent/event
- agent/first-publish-date
- agent/description
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-fw3v-x4f2-v673
- alias/CVE-2022-34749
- agent/software-canonical-lookup
- agent/last-modified-date
- collector/nvd-cve
- source/NVD
- collector/github-advisory
- agent/references
- agent/softwarecombine
- agent/tags
- collector/ibm-support
- source/IBM
- vendor/mistune project
- canonical/mistune project mistune
- version/mistune project mistune/2.0.2
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/37
- package-manager/pip
- vendor/ibm
- canonical/ibm cognos analytics
- version/ibm cognos analytics/12.0.0-12.0.3
- version/ibm cognos analytics/11.2.0-11.2.4 fp4