CVE-2025-11152
Sandbox escape due to integer overflow in the Graphics: Canvas2D component
8.6 High
Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Exploit likelihood
0.27%Up 0.3 points since Oct 1, 2025
What each source reports
CVE List Score used
Sandbox escape due to integer overflow in the Graphics: Canvas2D component
Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.
- Record
CVE-2025-11152- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2025-31733
Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.
- Record
EUVD-2025-31733- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qjxq-j34f-3jf2
This vulnerability affects Firefox < 143.0.3.
This vulnerability affects Firefox < 143.0.3.
- Record
GHSA-qjxq-j34f-3jf2- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Weakness
- CWE-190
- Updated
- 2026-11-02
NVD
Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.
- Record
CVE-2025-11152- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Weakness
- CWE-190
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-11152
Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability affects Firefox < 143.0.3.
- Record
UBUNTU-CVE-2025-11152- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Updated
- 2026-11-02
OSVopenSUSE-SU-2025:15593-1 No score
MozillaFirefox-143.0.3-1.1 on GA media
These are all security issues fixed in the MozillaFirefox-143.0.3-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:15593-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:11373-1 No score
firefox-esr-153.0-1.1 on GA media
These are all security issues fixed in the firefox-esr-153.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:11373-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
MozillaFirefoxopenSUSE:Tumbleweed From an advisory covering 2 CVEs |
before 143.0.3-1.1 | 143.0.3-1.1 |
firefox-esropenSUSE:Tumbleweed From an advisory covering 228 CVEs |
before 153.0-1.1 | 153.0-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-11152 is a high vulnerability (CVSS 8.6) in Mozilla Firefox, published September 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.
References
bugzilla.mozilla.org/show_bug.cgi?id=1987246
mozilla.org/security/advisories/mfsa2025-80
nvd.nist.gov/vuln/detail/CVE-2025-11152
github.com/advisories/GHSA-qjxq-j34f-3jf2
ubuntu.com/security/CVE-2025-11152
cve.org/CVERecord?id=CVE-2025-11152
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suse.com/security/cve/CVE-2025-11152
This page doesn't list everything
Left out here: 34 references. The JSON record has them.