CVE-2021-29063 — Allocation of Resources Without Limits or Throttling in Mpmath

CWE-770 — Allocation of Resources Without Limits or Throttling8 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.9%
top 23.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
MpmathDebian MpmathFedoraproject Fedora
Timeline
PublishedJun 21
Latest updateSep 3

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶PyPImpmath/mpmath< 1.3.0+1
▶debiandebian/mpmath< mpmath 1.2.1-2 (bookworm)
▶Debianmpmath/mpmath< 1.2.1-2+2
▶NVDmpmath/mpmath1.0.0 — 1.2.1

Also affects: Fedora 33, 34, 35

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
OSV
ReDOS in Mpmath↗2021-08-09
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GHSA
ReDOS in Mpmath↗2021-08-09
▶
OSV
CVE-2021-29063: A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1↗2021-06-21
▶
OSV
CVE-2021-29063: A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1↗2021-06-21
▶

📋Vendor Advisories

2
Ubuntu
Mpmath vulnerability↗2024-12-15
▶
Debian
CVE-2021-29063: mpmath - A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in M...↗2021
▶

📄Research Papers

1
arXiv
VulnRepairEval: An Exploit-Based Evaluation Framework for Assessing Large Language Model Vulnerability Repair Capabilities↗2025-09-03
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CVE-2021-29063 — Mpmath vulnerability | cvebase