CVE-2011-2366 json
Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not block use of a cross-domain image as a WebGL t…
published 2011-06-30 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2355
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not block use of a cross-domain image as a WebGL texture, which allows remote attackers to obtain approximate copies of arbitrary images via a timing attack involving a crafted WebGL fragment shader.
Patch / fix
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2011-2366 updated cvss 5.1
Mozilla: WebGL cross-domain image theft
-
Red Hat Enterprise Linux 4 firefox Red Hat Enterprise Linux 5 firefox Red Hat Enterprise Linux 6 firefoxnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
1.42% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- hacks.mozilla.org https://hacks.mozilla.org/2011/06/cross-domain-webgl-textures-disabled-in-firefox-5/ referenced PoC, tagged "exploit" by a source, unverified
- contextis.co.uk http://www.contextis.co.uk/resources/blog/webgl/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
hacks.mozilla.org
/2011/06/cross-domain-webgl-textures-disabled-in-firefox-5/
exploit
-
contextis.co.uk
/resources/blog/webgl/
exploit
-
lists.opensuse.org
/opensuse-security-announce/2011-07/msg00001.html
vendor-advisory
- bugzilla.mozilla.org /show_bug.cgi?id=655987
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14221
vdb-entry, signature
- bugzilla.mozilla.org /show_bug.cgi?id=659349
- developer.mozilla.org /en/WebGL/Cross-Domain_Textures
- bugzilla.mozilla.org /show_bug.cgi?id=656277
-
lists.whatwg.org
/pipermail/whatwg-whatwg.org/2011-March/030882.html
mailing-list
- mozilla.org /security/announce/2011/mfsa2011-25.html
Sources
- CVE List CVE-2011-2366
- NVD CVE-2011-2366
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.