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CVE-2024-3859

Date: April 16, 2024

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.

Language: C++

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2024-3859
https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
https://www.mozilla.org/security/advisories/mfsa2024-19/
https://www.mozilla.org/security/advisories/mfsa2024-18/
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
https://security-tracker.debian.org/tracker/CVE-2024-3859
https://bugzilla.mozilla.org/show_bug.cgi?id=1874489
https://www.mozilla.org/security/advisories/mfsa2024-20/
https://www.mend.io/vulnerability-database/CVE-2024-3859

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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