All the vulnerabilites related to Mozilla - Mozilla Bleach
cve-2020-6817
Vulnerability from cvelistv5
Published
2023-02-16 00:00
Modified
2024-08-04 09:11
Severity ?
EPSS score ?
Summary
bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Mozilla | Mozilla Bleach |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-04T09:11:05.144Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vqhp-cxgc-6wmm" }, { "tags": [ "x_transferred" ], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1623633" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "Mozilla Bleach", "vendor": "Mozilla", "versions": [ { "lessThan": "3.1.4", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "descriptions": [ { "lang": "en", "value": "bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={\u0027a\u0027: [\u0027style\u0027]})." } ], "problemTypes": [ { "descriptions": [ { "description": "regular expression denial-of-service (ReDoS) in BleachSanitizerFilter.sanitize_css gauntlet regular expression ", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2023-02-16T00:00:00", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla" }, "references": [ { "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vqhp-cxgc-6wmm" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1623633" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 0.0.9" } } }, "cveMetadata": { "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2020-6817", "datePublished": "2023-02-16T00:00:00", "dateReserved": "2020-01-10T00:00:00", "dateUpdated": "2024-08-04T09:11:05.144Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
cve-2021-23980
Vulnerability from cvelistv5
Published
2023-02-16 00:00
Modified
2024-08-03 19:14
Severity ?
EPSS score ?
Summary
A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True.
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Mozilla | Mozilla Bleach |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T19:14:09.990Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq" }, { "tags": [ "x_transferred" ], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "Mozilla Bleach", "vendor": "Mozilla", "versions": [ { "lessThan": "3.3.0", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "descriptions": [ { "lang": "en", "value": "A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True." } ], "problemTypes": [ { "descriptions": [ { "description": " mutation XSS via allowed math or svg; p or br; and style, title, noscript, script, textarea, noframes, iframe, or xmp tags with strip_comments=False", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2023-02-16T00:00:00", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla" }, "references": [ { "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 0.0.9" } } }, "cveMetadata": { "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2021-23980", "datePublished": "2023-02-16T00:00:00", "dateReserved": "2021-01-13T00:00:00", "dateUpdated": "2024-08-03T19:14:09.990Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }