CVE-2025-13026
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component
9.8 Critical
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
0.38%Up 0.4 points since Nov 12, 2025
What each source reports
CVE List Score used
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
- Record
CVE-2025-13026- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-703
- Updated
- 2026-11-02
EUVDEUVD-2025-84327
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
- Record
EUVD-2025-84327- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-63qq-765j-587x
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This...
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox < 145.
- Record
GHSA-63qq-765j-587x- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-703
- Updated
- 2026-11-02
NVD
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
- Record
CVE-2025-13026- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-703
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-13026
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox < 145 and Thunderbird < 145.
- Record
UBUNTU-CVE-2025-13026- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2025:15735-1 No score
MozillaFirefox-145.0-1.1 on GA media
These are all security issues fixed in the MozillaFirefox-145.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:15735-1- 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 16 CVEs |
before 145.0-1.1 | 145.0-1.1 |
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-2025-13026 is a critical vulnerability (CVSS 9.8) in Mozilla Firefox, published November 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.
References
bugzilla.mozilla.org/show_bug.cgi?id=1994441
mozilla.org/security/advisories/mfsa2025-87
nvd.nist.gov/vuln/detail/CVE-2025-13026
github.com/advisories/GHSA-63qq-765j-587x
ubuntu.com/security/CVE-2025-13026
Show 194 moreShow less
cve.org/CVERecord?id=CVE-2025-13026
suse.com/security/cve/CVE-2025-13012
This page doesn't list everything
Left out here: 36 references. The JSON record has them.