EUVD-2026-14792
GHSA-3rrq-fwhx-9wq4
7.5
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
4
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 24, 2026 - 12:45 vuln.today
EUVD ID Assigned
Mar 24, 2026 - 12:45 euvd
EUVD-2026-14792
CVE Published
Mar 24, 2026 - 12:30 nvd
HIGH 7.5
Description
Race condition, use-after-free in the Graphics: WebRender component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.
Analysis
Mozilla Firefox's WebRender graphics component contains a race condition and use-after-free vulnerability that enables remote code execution when a user visits a malicious webpage. The flaw affects Firefox versions prior to 149, Firefox ESR versions before 115.34 and 140.9, and requires user interaction to trigger. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
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Priority Score
38
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: 0
Vendor Status
Debian
firefox
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| sid | vulnerable | 148.0.2-1 | - |
| (unstable) | fixed | (unfixed) | - |
firefox-esr
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye | vulnerable | 115.14.0esr-1~deb11u1 | - |
| bullseye (security) | vulnerable | 140.8.0esr-1~deb11u1 | - |
| bookworm | vulnerable | 128.14.0esr-1~deb12u1 | - |
| bookworm (security) | vulnerable | 140.8.0esr-1~deb12u1 | - |
| trixie (security), trixie | vulnerable | 140.8.0esr-1~deb13u1 | - |
| forky, sid | vulnerable | 140.8.0esr-1 | - |
| (unstable) | fixed | (unfixed) | - |
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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