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CVE-2012-1109
mwlib 0.13 through 0.13.4 has a denial of service vulnerability when parsing #iferror magic functions
High7.5EPSS 2.1%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
mwlib 0.13 through 0.13.4 has a denial of service vulnerability when parsing #iferror magic functions
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- denial of service when parsing #iferror magic functions
- CWE-755 (opens in a new tab)
Affected products
Python · mwlib
- affected 0.13 through 0.13.4 (Fixed in 0.13.5)
References (3)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-1109 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.openwall.com/lists/oss-security/2012/03/05/20 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.securityfocus.com/bid/52577 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .