EUVD-2026-14853
2026-03-24
mozilla
7.5
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
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-2026-14853
CVE Published
Mar 24, 2026 - 12:30 nvd
HIGH 7.5
Description
Incorrect boundary conditions in the Graphics: Text component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9.
Analysis
A boundary condition vulnerability exists in Firefox's Graphics Text component that allows information disclosure through incorrect memory handling during text rendering operations. This affects Firefox versions below 149 and Firefox ESR versions below 140.9, potentially enabling attackers to read sensitive data from adjacent memory regions. …
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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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