CVE-2024-12720

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 51% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.5
EG Score
7.5(medium)
EG Risk
—
EPSS
48.7%
KEV
Not listed

Published

March 20, 2025

Last Modified

August 1, 2025

References (3)

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
transformers0.1 ... 4.9.2 (166 versions)4.48.0—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 23:18 UTCEG score recompute
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
  4. 2026-07-20 17:06 UTCEPSS rescore
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  24. 2026-07-07 07:21 UTCOSV refresh
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  1. 2026-07-06 02:22 UTCEPSS rescore
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  67. 2026-05-30 09:15 UTCEG score recompute
  68. 2026-05-30 00:12 UTCOSV refresh
  69. 2026-05-29 13:43 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2024-12720?
CVE-2024-12720 is a high vulnerability published on March 20, 2025. A Regular Expression Denial of Service (ReDoS) vulnerability was identified in the huggingface/transformers library, specifically in the file tokenizationnougatfast.py. The vulnerability occurs in the postprocesssingle() function, where a regular expression processes specially crafted input. The…
When was CVE-2024-12720 disclosed?
CVE-2024-12720 was first published in the National Vulnerability Database on March 20, 2025, with the most recent update on August 1, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-12720 actively exploited?
CVE-2024-12720 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 48.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-12720?
CVE-2024-12720 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2024-12720?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-12720, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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