CVE-2024-3772: Regular expression denial of service in Pydantic < 2.4.0
Vulnerability summary
CVE-2024-3772 is a high (CVSS 7.5) vulnerability in fedoraproject fedora. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 61.4% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 3Timeline
- 15-04-2024PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
Regular expression denial of service in Pydanic < 2.4.0, < 1.10.13 allows remote attackers to cause denial of service via a crafted email string.
CVSS metrics
5 scores · 5 sources · 1 version- CVE.orgCNA5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · PypiEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.96%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.96% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundPydantic
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse2 products
- python-pydantic&distro=SUSE Linux Enterprise Module for Public Cloud 15 SP4< 1.10.8-150400.9.10.1
- python-pydantic&distro=SUSE Linux Enterprise Module for Python 3 15 SP6< 1.10.8-150400.9.10.1
Debian1 product
- pydantic< 1.10.4-1+deb12u1 | < 1.10.13-0.1
Fedoraproject1 product
- fedoraEOL38
Opensuse1 product
- python-pydantic&distro=openSUSE Leap 15.6< 1.10.8-150400.9.10.1
Pydantic1 product
- pydantic≥ 1.0, < 1.10.13 | < 1.10.13 | ≥ 2.0, < 2.4.0
PyPI1 product
- pydantic< 1.10.13 | ≥ 2.0.0, < 2.4.0
Ubuntu1 product
- pydantic< 1.2-1ubuntu0.1~esm3 | < 1.8.2-1ubuntu0.1~esm1
7 vendors · 8 products
References
17 links- github.com/pydantic/pydanticPACKAGE
Show all 17 references
- pypi.org/project/pydanticPACKAGE