vulnerability
Red Hat: CVE-2023-4045: Offscreen Canvas could have bypassed cross-origin restrictions (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:H/Au:N/C:C/I:C/A:C) | Aug 1, 2023 | Aug 4, 2023 | Sep 1, 2025 |
Severity
8
CVSS
(AV:N/AC:H/Au:N/C:C/I:C/A:C)
Published
Aug 1, 2023
Added
Aug 4, 2023
Modified
Sep 1, 2025
Description
Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-firefox-x11redhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource
References
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