CVE-2023-25736
Mozilla Firefox and 2 others: An invalid downcast from `nsHTMLDocument` to `nsIContent` could have lead to undefined behavior.
CVE-2023-25736 is fixed in 5 products on 2 platforms, first by firefox 110.0+build3-0ubuntu0.18.04.1, released February 14, 2023. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
9.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0069
52nd percentile
An invalid downcast from `nsHTMLDocument` to `nsIContent` could have lead to undefined behavior. This vulnerability affects Firefox < 110.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox (en-US) | 110.0 | Mozilla Firefox (en-US) 110.0 | Feb 16, 2023 |
| Mozilla Firefox ESR (en-US) | 115.4.0 | Mozilla Firefox ESR (en-US) 115.4.0 | Oct 17, 2023 |
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 110.0+build3-0ubuntu0.18.04.1 | firefox 110.0+build3-0ubuntu0.18.04.1 | Feb 14, 2023 |
| firefox · Ubuntu 20.04 LTS (focal) | 110.0+build3-0ubuntu0.20.04.1 | firefox 110.0+build3-0ubuntu0.20.04.1 | Feb 14, 2023 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 110.0+build3-0ubuntu0.18.04.1 | firefox-geckodriver 110.0+build3-0ubuntu0.18.04.1 | Feb 14, 2023 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 110.0+build3-0ubuntu0.20.04.1 | firefox-geckodriver 110.0+build3-0ubuntu0.20.04.1 | Feb 14, 2023 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 110.0+build3-0ubuntu0.18.04.1 | firefox-mozsymbols 110.0+build3-0ubuntu0.18.04.1 | Feb 14, 2023 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 110.0+build3-0ubuntu0.20.04.1 | firefox-mozsymbols 110.0+build3-0ubuntu0.20.04.1 | Feb 14, 2023 |
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