Vulnerability · Published Apr 16, 2024 · Assigned by mozilla

CVE-2024-3859

Medium 5.9

In plain English

A medium-severity integer overflow in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.7%top 47.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox115.10.0-1.el8_9.alma.1ALSA-2024:1912
AlmaLinux:9firefox115.10.0-1.el9_3.alma.1ALSA-2024:1908
AlmaLinux:9firefox-x11115.10.0-1.el9_3.alma.1ALSA-2024:1908
AlmaLinux:8thunderbird115.10.0-2.el8_9.alma.1ALSA-2024:1939
AlmaLinux:9thunderbird115.10.0-2.el9_3.alma.1ALSA-2024:1940
Debian:12firefox-esr115.10.0esr-1~deb12u1DEBIAN-CVE-2024-3859
Debian:12firefox-esr115.10.0esr-1~deb12u1DSA-5663-1
Debian:13firefox-esr115.10.0esr-1DEBIAN-CVE-2024-3859
Debian:14firefox-esr115.10.0esr-1DEBIAN-CVE-2024-3859
Debian:12thunderbird1:115.10.1-1~deb12u1DEBIAN-CVE-2024-3859
Debian:12thunderbird1:115.10.1-1~deb12u1DSA-5670-1
Debian:13thunderbird1:115.10.1-1DEBIAN-CVE-2024-3859
Debian:14thunderbird1:115.10.1-1DEBIAN-CVE-2024-3859
Rocky Linux:8firefox0:115.10.0-1.el8_9RLSA-2024:1912
Rocky Linux:9firefox0:115.10.0-1.el9_3RLSA-2024:1908
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2024-3859
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2024-3859
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2024-3859
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2024-3859
Ubuntu:22.04:LTSthunderbird1:115.10.1+build1-0ubuntu0.22.04.1UBUNTU-CVE-2024-3859
Ubuntu:22.04:LTSthunderbird1:115.10.1+build1-0ubuntu0.22.04.1USN-6750-1

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 125
Mozilla Firefox ESR unspecified – before 115.10
Mozilla Thunderbird unspecified – before 115.10

Weakness: CWE-190, CWE-125 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N

References