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
▼ | URL | Tags | |
---|---|---|---|
security@mozilla.org | https://bugzilla.mozilla.org/show_bug.cgi?id=1623633 | Exploit, Issue Tracking | |
security@mozilla.org | https://github.com/mozilla/bleach/security/advisories/GHSA-vqhp-cxgc-6wmm | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Mozilla | Mozilla Bleach |
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.