CVE-2024-9680

Exp

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.

Published: 2024-10-09 Last update: 2025-11-04 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-9680 is rated Critical Active Threat (93.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 30.81%, 97th percentile). CISA KEV confirms active exploitation (added 2024-10-15) affecting Mozilla / Firefox. a weakness (CWE-416) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2024-9680

Name: Mozilla Firefox Use-After-Free Vulnerability · CISA KEV detail

Exploit added: 2024-10-15

Action due: 2024-11-05

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Exploit prediction scoring system (EPSS) score for CVE-2024-9680

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-22 34.97% 30.81% -4.16%
2 2026-05-11 30.81% 34.97% +4.16%
3 2026-04-07 — 30.81% —

Full EPSS history (50 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-9680

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-9680

OS Trackers for CVE-2024-9680

vendor priority summary link
alpine — CVE-2024-9680: 4 source package rows (firefox, firefox-esr, mozjs, thunderbird); 338 state rows across 4 repos (3.20-community, 3.21-community, 3.22-community, edge-community); fixed 20, open 318. https://security.alpinelinux.org/vuln/CVE-2024-9680
debian not yet assigned CVE-2024-9680 not yet assigned priority: Debian including 3 source packages (firefox, firefox-esr, thunderbird), 11 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 11. https://security-tracker.debian.org/tracker/CVE-2024-9680
gentoo high CVE-2024-9680: 1 GLSA(s) (202412-04), 2 atom(s) (www-client/firefox, www-client/firefox-bin); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2024-9680
redhat high — https://access.redhat.com/security/cve/CVE-2024-9680
suse high CVE-2024-9680 severity important: SUSE including 40 source package names (MozillaFirefox-128.3.1-112.231.1, MozillaFirefox-128.3.1-150200.152.155.1, …), 156 product×package rows across 52 product lines (Container suse/kiosk/firefox-esr, Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, … (52 product lines)): Fixed 156. https://www.suse.com/security/cve/CVE-2024-9680/
ubuntu high CVE-2024-9680 high priority: Ubuntu including 9 source packages (firefox, mozjs102, …), 47 status rows across 6 suites (bionic, focal, jammy, noble, oracular, upstream): DNE 20, ignored 10, needs-triage 9, not-affected 5, released 3. https://ubuntu.com/security/CVE-2024-9680

Affected software / configurations for CVE-2024-9680

Vendor Product Version Raw CPE
mozilla firefox < 115.16.1 cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
mozilla firefox < 131.0.2 cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
mozilla firefox >= 128.1.0, < 128.3.1 cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
mozilla thunderbird < 115.16.0 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird >= 128.0.1, < 128.3.1 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird 131.0 cpe:2.3:a:mozilla:thunderbird:131.0:*:*:*:*:*:*:*
debian debian_linux 11.0 cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

References for CVE-2024-9680

cvelogic Threat Intelligence