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CVE-2023-4045

Published: Aug 1, 2023

Modified: Feb 13, 2025

PUBLISHED

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.

Vendor	Product	Versions
Mozilla	Firefox	affected `unspecified - < 116`
Mozilla	Firefox ESR	affected `unspecified - < 102.14`
Mozilla	Firefox ESR	affected `unspecified - < 115.1`

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1833876

https://www.mozilla.org/security/advisories/mfsa2023-29/

https://www.mozilla.org/security/advisories/mfsa2023-30/

https://www.mozilla.org/security/advisories/mfsa2023-31/

https://www.debian.org/security/2023/dsa-5464

https://www.debian.org/security/2023/dsa-5469

https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html

https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html

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