⚠ Actively exploited in ransomware campaigns
This vulnerability is on the CISA Known Exploited Vulnerabilities list and has been used in known ransomware attacks. CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.. Due date: 2024-11-05.

CVE-2024-9680Use After Free in Mozilla Firefox

CWE-416Use After Free16 documents12 sources
Severity
9.8CRITICALNVD
EPSS
30.8%
top 3.27%
CISA KEV
KEVRansomware
Added 2024-10-15
Due 2024-11-05
Exploit
Exploited in wild
Active exploitation observed
Timeline
PublishedOct 9
KEV addedOct 15
KEV dueNov 5
Latest updateAug 11
CISA Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Description

An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages6 packages

CVEListV5mozilla/firefoxunspecified131.0.2
NVDmozilla/firefox128.1.0128.3.1+2
CVEListV5mozilla/firefox_esrunspecified128.3.1+1
CVEListV5mozilla/thunderbirdunspecified131.0.1+2
NVDmozilla/thunderbird128.0.1128.3.1+2

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

4
OSV
CVE-2024-9680: An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines2024-10-09
GHSA
GHSA-hm3j-qgpw-pj98: An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines2024-10-09
CVEList
CVE-2024-9680: An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines2024-10-09
VulnCheck
Mozilla Firefox Use-After-Free Vulnerability2024

📋Vendor Advisories

7
CISA
Mozilla Firefox Use-After-Free Vulnerability2024-10-15
Ubuntu
Thunderbird vulnerability2024-10-14
Ubuntu
Firefox vulnerability2024-10-14
Red Hat
firefox: Use-after-free in Animation timeline (128.3.1 ESR Chemspill)2024-10-09
Debian
CVE-2024-9680: firefox - An attacker was able to achieve code execution in the content process by exploit...2024

🕵️Threat Intelligence

3
Bleepingcomputer
Details emerge on WinRAR zero-day attacks that infected PCs with malware2025-08-11
Bleepingcomputer
Firefox and Windows zero-days exploited by Russian RomCom hackers2024-11-26
Bleepingcomputer
Mozilla fixes Firefox zero-day actively exploited in attacks2024-10-09
CVE-2024-9680 — Use After Free in Mozilla Firefox | cvebase