{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-32837", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "dateUpdated": "2025-12-22T01:32:19.985Z", "dateReserved": "2021-05-12T00:00:00.000Z", "datePublished": "2023-01-17T00:00:00.000Z" }, "containers": { "cna": { "title": "mechanize vulnerable to ReDoS", "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-06-20T00:00:00.000Z" }, "descriptions": [ { "lang": "en", "value": "mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of service (ReDoS) prior to version 0.4.6. If a web server responds in a malicious way, then mechanize could crash. Version 0.4.6 has a patch for the issue." } ], "affected": [ { "vendor": "python-mechanize", "product": "mechanize", "versions": [ { "version": "0.4.6", "status": "affected", "lessThan": "0.4.6", "versionType": "custom" } ] } ], "references": [ { "url": "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/" }, { "url": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879" }, { "url": "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6" }, { "url": "https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6" }, { "name": "[debian-lts-announce] 20230620 [SECURITY] [DLA 3460-1] python-mechanize security update", "tags": [ "mailing-list" ], "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00022.html" } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" } } ], "problemTypes": [ { "descriptions": [ { "type": "CWE", "lang": "en", "description": "CWE-1333 Inefficient Regular Expression Complexity", "cweId": "CWE-1333" } ] } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "source": { "defect": [ "GHSL-2021-108" ], "advisory": "GHSL-2021-108", "discovery": "UNKNOWN" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/", "tags": [ "x_transferred" ] }, { "url": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879", "tags": [ "x_transferred" ] }, { "url": "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6", "tags": [ "x_transferred" ] }, { "url": "https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6", "tags": [ "x_transferred" ] }, { "name": "[debian-lts-announce] 20230620 [SECURITY] [DLA 3460-1] python-mechanize security update", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00022.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2025/12/msg00028.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-12-22T01:32:19.985Z" } }, { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-03-10T21:02:11.874134Z", "id": "CVE-2021-32837", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-10T21:22:55.702Z" } } ] } }