CVE-2023-4045

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.

Published: Aug 1, 2023
Updated: Aug 8, 2023
CVE: CVE-2023-4045
Severity: Medium
Exploit:

CVSS v3:

Severity: Medium
Score: 5.3
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWEs:

CWE-346

Affected Software
References

Software	From	Fixed in
mozilla / firefox	-	116.0
debian / debian_linux	11.0	11.0.x
debian / debian_linux	12.0	12.0.x
mozilla / firefox	115.0	115.1
mozilla / firefox	102.0	102.14

https://bugzilla.mozilla.org/show_bug.cgi?id=1833876
https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
https://www.debian.org/security/2023/dsa-5464
https://www.debian.org/security/2023/dsa-5469
https://www.mozilla.org/security/advisories/mfsa2023-29/
https://www.mozilla.org/security/advisories/mfsa2023-30/
https://www.mozilla.org/security/advisories/mfsa2023-31/

Vulnerability Database

CVE-2023-4045