Home/CVE/Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another sit
CVE

CVE-2024-5693

Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another sit

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.

MEDIUM · CVSS 6.1 EPSS 0.01765
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-829Inclusion of Functionality from Untrusted Control Sphere
▤

Affected Products & Versions

3
mozilla firefox< 115.12
mozilla firefox< 127.0
mozilla thunderbird< 115.12
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jun 2024 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

29
suse-csafopenSUSE-SU-2024:14572-1
suse-csafSUSE-SU-2024:2399-1
suse-csafSUSE-SU-2024:2371-1
usnUSN-6862-1
usnUSN-6840-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.mozilla.org/show_bug.cgi?id=1891319Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/06/msg00000.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00010.htmlMailing ListThird Party 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/Vendor Advisory
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