CVE-2024-5693
MEDIUMFirefox < 127 and ESR < 115.12 - Same-Origin Policy Bypass via Offscreen Canvas
Title source: llmDescription
Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
References (6)
Core 6
Core References
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1891319
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-25/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-26/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-28/
Scores
CVSS v3
6.1
EPSS
0.0057
EPSS Percentile
42.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-829
Status
published
Products (3)
mozilla/firefox
< 115.12
mozilla/firefox
< 127.0
mozilla/thunderbird
< 115.12
Published
Jun 11, 2024
Tracked Since
Feb 18, 2026