CVE-2024-7527

mozilla: Use-after-free in JavaScript garbage collection

Published Aug 6, 2024 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5740-1 firefox-esr security update
Debian DSA Debian DSA DSA-5744-1 thunderbird security update
EUVD EUVD EUVD-2024-48434 Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
Ubuntu USN Ubuntu USN USN-6966-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-6995-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:thunderbird:-:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Els
Redhat rhel Eus
Redhat rhel Tus
CPEs cpe:/a:redhat:enterprise_linux:8
cpe:/a:redhat:enterprise_linux:9
cpe:/a:redhat:rhel_aus:8.2
cpe:/a:redhat:rhel_aus:8.4
cpe:/a:redhat:rhel_aus:8.6
cpe:/a:redhat:rhel_e4s:8.4
cpe:/a:redhat:rhel_e4s:8.6
cpe:/a:redhat:rhel_e4s:9.0
cpe:/a:redhat:rhel_eus:8.8
cpe:/a:redhat:rhel_eus:9.2
cpe:/a:redhat:rhel_tus:8.4
cpe:/a:redhat:rhel_tus:8.6
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat
Redhat enterprise Linux
Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Els
Redhat rhel Eus
Redhat rhel Tus
Type Values Removed Values Added
First Time appeared Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:128.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:128.0.1:*:*:*:*:*:*:*
Vendors & Products Mozilla thunderbird
Type Values Removed Values Added
Title Mozilla: Use-after-free in JavaScript garbage collection mozilla: Use-after-free in JavaScript garbage collection
References
Type Values Removed Values Added
Title mozilla: From NVD collector
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
Description Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1. Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Mar 18, 2025, 7:05 PM
Reserved
Aug 5, 2024, 11:30 PM
Status
Modified
Published
Aug 6, 2024, 1:15 PM
Modified
Jun 17, 2026, 8:20 AM
Severity
Important
Public date
Aug 6, 2024, 12:00 AM