Resource exhaustion in Mpmath
CVE-2021-29063
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1.0.0 through v1.2.1 when the mpmathify function is called.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.042 (90.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000
Affected products
- Mpmath
- Fedoraproject Fedora — versions 33, 34, 35
Weakness classification (CWE)
References
- github.com/yetingli/SaveResults/blob/main/js/hosted-git-info.js (Third Party Advisory, Not Applicable)
- github.com/npm/hosted-git-info/pull/76 (Patch, Third Party Advisory)
- www.npmjs.com/package/hosted-git-info (Product)
- github.com/yetingli/PoCs/blob/main/CVE-2021-29063/Mpmath.md (Exploit, Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- github.com/fredrik-johansson/mpmath/commit/46d44c3c8f3244017fe1eb102d564eb4ab8e… (Patch, Third Party Advisory)
- github.com/mpmath/mpmath/releases/tag/1.3.0
Frequently asked questions
- What is CVE-2021-29063?
- CVE-2021-29063 is a high-severity vulnerability in Mpmath, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2021-06-21.
- How severe is CVE-2021-29063?
- High severity. CVSS v3 base score is 7.5 out of 10.