Vulnerability DatabaseCVE-2024-3859
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CVE-2024-3859
Published:April 16, 2024
Updated:June 13, 2026
On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
Related Resources (7)
https://www.mozilla.org/security/advisories/mfsa2024-19/
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
https://www.mozilla.org/security/advisories/mfsa2024-18/
https://security-tracker.debian.org/tracker/CVE-2024-3859
https://bugzilla.mozilla.org/show_bug.cgi?id=1874489
https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
https://www.mozilla.org/security/advisories/mfsa2024-20/
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CVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Integer Overflow or Wraparound
CWE-190
Out-of-bounds Read
CWE-125
EPSS
Base Score:
2.14