{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/57589?format=json","vulnerability_id":"VCID-msje-w8r1-wkh8","summary":"Transformers vulnerable to ReDoS attack through its SETTING_RE variable\nA Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the huggingface/transformers repository, specifically in version 4.49.0. The vulnerability is due to inefficient regular expression complexity in the `SETTING_RE` variable within the `transformers/commands/chat.py` file. The regex contains repetition groups and non-optimized quantifiers, leading to exponential backtracking when processing 'almost matching' payloads. This can degrade application performance and potentially result in a denial-of-service (DoS) when handling specially crafted input strings. The issue is fixed in version 4.51.0.","aliases":[{"alias":"CVE-2025-3262"},{"alias":"GHSA-489j-g2vx-39wf"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/85639?format=json","purl":"pkg:pypi/transformers@4.51.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/transformers@4.51.0"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/45247?format=json","purl":"pkg:pypi/transformers@4.49.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-msje-w8r1-wkh8"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/transformers@4.49.0"}],"references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-3262.json","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-3262.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-3262","reference_id":"","reference_type":"","scores":[{"value":"0.00318","scoring_system":"epss","scoring_elements":"0.55239","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-3262"},{"reference_url":"https://github.com/huggingface/transformers","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/huggingface/transformers"},{"reference_url":"https://github.com/huggingface/transformers/commit/0720e206c6ba28887e4d60ef60a6a089f6c1cc76","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-07-07T15:19:35Z/"}],"url":"https://github.com/huggingface/transformers/commit/0720e206c6ba28887e4d60ef60a6a089f6c1cc76"},{"reference_url":"https://github.com/huggingface/transformers/commit/126abe3461762e5fc180e7e614391d1b4ab051ca","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/huggingface/transformers/commit/126abe3461762e5fc180e7e614391d1b4ab051ca"},{"reference_url":"https://huntr.com/bounties/ecf5ccc4-39e7-4fb3-b547-14a41d31a184","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-07-07T15:19:35Z/"}],"url":"https://huntr.com/bounties/ecf5ccc4-39e7-4fb3-b547-14a41d31a184"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2376761","reference_id":"2376761","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2376761"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3262","reference_id":"CVE-2025-3262","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3262"},{"reference_url":"https://github.com/advisories/GHSA-489j-g2vx-39wf","reference_id":"GHSA-489j-g2vx-39wf","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-489j-g2vx-39wf"}],"weaknesses":[{"cwe_id":1333,"name":"Inefficient Regular Expression Complexity","description":"The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles."},{"cwe_id":937,"name":"OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."},{"cwe_id":1035,"name":"OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."}],"exploits":[],"severity_range_score":"4.0 - 6.9","exploitability":"0.5","weighted_severity":"6.2","risk_score":3.1,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-msje-w8r1-wkh8"}