VDB
CVE-2026-4725
CVE-2026-4725
PUBLISHED
CVSS 10 CRITICAL
Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149.
EPSS 0.02% · 3.5th percentile
Risk Scores
CVSS 3.1
10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score
0.02%
3.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox ESR | unspecified, unspecified |
| Mozilla | Firefox | unspecified, 149 |
| Mozilla | Thunderbird | unspecified, *, 149 |
| mozilla | firefox | 0 |
Exploit Intelligence
- CIRCL seen: CVE-2026-4725 (circl-sighting)
- CIRCL seen: CVE-2026-4725 (circl-sighting)
- CIRCL seen: CVE-2026-4725 (circl-sighting)
- CIRCL seen: CVE-2026-4725 (circl-sighting)
- https://bugzilla.mozilla.org/show_bug.cgi?id=2017108 (circl)
- https://www.mozilla.org/security/advisories/mfsa2026-24/ (circl)
- https://bugzilla.mozilla.org/show_bug.cgi?id=2011129 (circl)
- https://www.mozilla.org/security/advisories/mfsa2026-23/ (circl)
- https://www.mozilla.org/security/advisories/mfsa2026-22/ (circl)
- https://www.mozilla.org/security/advisories/mfsa2026-21/ (circl)
…and 17 more exploits
Timeline
- Mar 24, 2026 CVE Published
- Mar 24, 2026 PoC Published
- Mar 25, 2026 EPSS Score
- Mar 25, 2026 Coalition ESS Score
- Mar 25, 2026 PoC Published
- Mar 25, 2026 PoC Published
- Mar 25, 2026 PoC Published
- Mar 25, 2026 PoC Published
- Mar 25, 2026 PoC Published
- Mar 26, 2026 EPSS Score
- Mar 27, 2026 Coalition ESS Score
- Mar 29, 2026 PoC Published
References
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-20/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-24/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-23/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-22/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-21/ advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=2011129 url
- https://www.mozilla.org/security/advisories/mfsa2026-20/ url
- https://www.mozilla.org/security/advisories/mfsa2026-21/ url
- https://www.mozilla.org/security/advisories/mfsa2026-22/ url
- https://www.mozilla.org/security/advisories/mfsa2026-23/ url
- https://www.mozilla.org/security/advisories/mfsa2026-24/ url
- https://bugzilla.mozilla.org/show_bug.cgi?id=2017108 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-4725 advisory
- https://www.mozilla.org/security/advisories/mfsa2026-20 url
- https://www.mozilla.org/security/advisories/mfsa2026-23 url