CVE-2024-12720
highPriorität · verfolgen · 30EPSS 0.007 · 55. PerzentilEUUSEPSS · bewertet 2026-10-27
A Regular Expression Denial of Service (ReDoS) vulnerability was identified in the huggingface/transformers library, specifically in the file tokenization_nougat_fast.py. The vulnerability occurs in the post_process_single() function, where a regular expression processes specially crafted input. The issue stems from the regex exhibiting exponential time complexity under certain conditions, leading to excessive backtracking. This can result in significantly high CPU usage and potential application downtime, effectively creating a Denial of Service (DoS) scenario. The affected version is v4.46.3 (latest).
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5.3–7.5
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betroffene Produkte (3)
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Advisories (2)
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- GHSA-6rvg-6v2m-4j46Transformers Regular Expression Denial of Service (ReDoS) vulnerability2025-03-20ghsa · osvUS
A Regular Expression Denial of Service (ReDoS) vulnerability was identified in the huggingface/transformers library, specifically in the file tokenization_nougat_fast.py. The vulnerability occurs in the post_process_single() function, where a regular expression processes specially crafted input. The issue stems from the regex exhibiting exponential time complexity under certain conditions, leading to excessive backtracking. This can result in significantly high CPU usage and potential application downtime, effectively creating a Denial of Service (DoS) scenario. The affected version is v4.46.3.
- PYSEC-2026-1982Transformers Regular Expression Denial of Service (ReDoS) vulnerability2026-07-07vendor · osvUS
A Regular Expression Denial of Service (ReDoS) vulnerability was identified in the huggingface/transformers library, specifically in the file tokenization_nougat_fast.py. The vulnerability occurs in the post_process_single() function, where a regular expression processes specially crafted input. The issue stems from the regex exhibiting exponential time complexity under certain conditions, leading to excessive backtracking. This can result in significantly high CPU usage and potential application downtime, effectively creating a Denial of Service (DoS) scenario. The affected version is v4.46.3.
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Referenzen (7)
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/huggingface/transformers/commit/deac971c469bcbb182c2e52da0b82fb3bf54cccfcnnvd
- https://github.com/huggingface/transformers/releases/tag/v4.49.0-Mistral-3Patchcnnvd
- https://huntr.com/bounties/4bed1214-7835-4252-a853-22bbad891f98cnnvd
- https://github.com/huggingface/transformers/commit/deac971c469bcbb182c2e52da0b82fb3bf54cccfenisa_euvd
- https://huntr.com/bounties/4bed1214-7835-4252-a853-22bbad891f98enisa_euvd
- https://github.com/huggingface/transformers/commit/deac971c469bcbb182c2e52da0b82fb3bf54cccfPatchnvd
- https://huntr.com/bounties/4bed1214-7835-4252-a853-22bbad891f98Vendor Advisorynvd
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