Hugging Face Transformers vulnerable to ReDoS in get_imports
transformers
A ReDoS vulnerability in Hugging Face Transformers allows excessive CPU consumption via crafted inputs in dynamic module utils. The issue was addressed in version 4.51.0.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 5.3
- EPSS
- 0.01 · top 57% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 7 Jul 2025
- last update
- 7 Jul 2025
- CVE ids
Timeline · 2
Sources · 2
Advisories and databases
- 2025-07-07CVE-2025-3264: Transformers vulnerable to ReDoS attack through its get_imports() functionGitHub Advisory Database · github.com/advisories/GHSA-jjph-296x-mrcr
- 2025-07-07CVE-2025-3264: A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library,…NVD · nvd.nist.gov/vuln/detail/CVE-2025-3264
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 7 Jul 2025 · first reported 7 Jul 2025
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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the brief as text
# Hugging Face Transformers vulnerable to ReDoS in get_imports https://gcdradar.vercel.app/incidents/hugging-face-transformers-vulnerable-to-redos-in-get-imports · AIR-2025-0308 · closed 2025-07-07 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2025-07-07 - AI role: Attack on AI - Products: transformers - CVE ids: CVE-2025-3264 - CVSS: 5.3 ## Summary A ReDoS vulnerability in Hugging Face Transformers allows excessive CPU consumption via crafted inputs in dynamic module utils. The issue was addressed in version 4.51.0. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2025-07-07: CVE-2025-3264: A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library,… (https://nvd.nist.gov/vuln/detail/CVE-2025-3264) - 2025-07-07: CVE-2025-3264: Transformers vulnerable to ReDoS attack through its get_imports() function (https://github.com/advisories/GHSA-jjph-296x-mrcr) ## Sources - 2025-07-07 GitHub Advisory Database: CVE-2025-3264: Transformers vulnerable to ReDoS attack through its get_imports() function https://github.com/advisories/GHSA-jjph-296x-mrcr - 2025-07-07 NVD: CVE-2025-3264: A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library,… https://nvd.nist.gov/vuln/detail/CVE-2025-3264 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
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Patch now · Disclosed · since 7 Jul 2025 · CVE-2025-3263
AI - closed5.3Hugging Face libraries Hugging Face Transformers vulnerable to ReDoS in SETTING_RE
Patch now · Disclosed · since 7 Jul 2025 · CVE-2025-3262
AI - closed5.3Hugging Face libraries CVE-2025-6921: Hugging Face Transformers vulnerable to ReDoS in optimizer
Patch now · Disclosed · since 23 Sep 2025 · CVE-2025-6921
AI - closed5.3Hugging Face libraries CVE-2025-6638: Hugging Face Transformers vulnerable to ReDoS via MarianTokenizer
Patch now · Disclosed · since 12 Sep 2025 · CVE-2025-6638
AI - closed4.3Hugging Face libraries CVE-2025-1194: Transformers Regular Expression Denial of Service Vulnerability
Patch now · Disclosed · since 29 Apr 2025 · CVE-2025-1194
AI - closed5.3Hugging Face libraries CVE-2024-12720: Transformers ReDoS Vulnerability
Patch now · Disclosed · since 20 Mar 2025 · CVE-2024-12720
AI