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CVE-2025-3264

16
FAUCET Score

CVE-2025-3264 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting Hugging Face Transformers versions 4.49.0. It stems from catastrophic backtracking in a regular expression within the get_imports() function, allowing crafted input to cause excessive CPU consumption. This vulnerability has a CVSS score of 5.3 (Medium), indicating a low-complexity attack that can lead to remote code loading disruption and resource exhaustion. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.49.0, < 4.51.0CPE matchmatch criteria
cpe:2.3:a:huggingface:transformers:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 22nd percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: transformersFixed in: 4.51.0

Vendor Advisories (2)

pipGHSA-jjph-296x-mrcrmedium

Transformers vulnerable to ReDoS attack through its get_imports() function

Jul 7, 2025
redhatCVE-2025-3264Moderate

transformers: Regular Expression Denial of Service (ReDoS) in huggingface/transformers

Jul 7, 2025

References

github.com / huggingface/transformers/commit/0720e206c6ba28887e4d60ef60a6a089f6c1cc76
Patch
huntr.com / bounties/3c6f7822-9992-476d-8cf0-b0b1623427df
ExploitThird Party Advisory