CVE-2024-9680

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-10-15), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 23%CVSS: 9.8Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · public exploitExposed: 0

A fix is available — apply it.

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 v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
23%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

October 9, 2024

Last Modified

August 4, 2026

Advisory Details (8)

Auto-updated Sep 15, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-9680
generic Patch Available

[SECURITY] [DLA 3916-1] thunderbird security update

https://lists.debian.org/debian-lts-announce/2024/10/msg00006.html
generic Patch Available

[SECURITY] [DLA 3914-1] firefox-esr security update

https://lists.debian.org/debian-lts-announce/2024/10/msg00005.html
generic🔴 Active Exploitation

281992 – www/firefox: 0day 9.8 score CVE-2024-9680 upgrade ASAP.

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281992
generic🔴 Active Exploitation

Security Vulnerability fixed in Thunderbird 131.0.1, Thunderbird 128.3.1, Thunderbird 115.16.0 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2024-52/
generic🔴 Active Exploitation

Security Vulnerability fixed in Firefox 131.0.2, Firefox ESR 128.3.1, Firefox ESR 115.16.1 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2024-51/
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039
generic🔴 Active Exploitation

1923344 - (CVE-2024-9680) UAF in mozilla::dom::DocumentTimeline::RemoveAnimation(mozilla::dom::Animation*) / mozilla::LinkedListElement<mozilla::dom::Animation>::remove()

https://bugzilla.mozilla.org/show_bug.cgi?id=1923344

Vendor Advisories for CVE-2024-9680(19)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(23)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntufirefox-mozsymbols (131.0.2+build1-0ubuntu0.20.04.1) @ focal2026-09-19ubuntu
ubuntuxul-ext-lightning (1:115.16.0+build2-0ubuntu0.22.04.1) @ jammy2026-09-19ubuntu
redhatfirefox-0:128.4.0-1.el9_52024-11-13redhat
redhatthunderbird-0:128.4.0-1.el9_52024-11-13redhat
redhatthunderbird-0:128.3.1-1.el8_82024-10-16redhat
redhatrhel9/firefox-flatpak:flatpak-9040020240611093110.17285782722024-10-16redhat
redhatfirefox-0:128.3.1-2.el8_42024-10-16redhat
redhatrhel9/thunderbird-flatpak:flatpak-9040020240619093325.17289164522024-10-16redhat
redhatfirefox-0:128.3.1-2.el8_22024-10-16redhat
redhatfirefox-0:128.3.1-2.el8_62024-10-15redhat
redhatthunderbird-0:128.3.1-1.el8_42024-10-14redhat
redhatthunderbird-0:128.3.1-1.el8_62024-10-14redhat
redhatthunderbird-0:128.3.1-1.el8_22024-10-14redhat
redhatfirefox-0:128.3.1-2.el8_82024-10-14redhat
redhatfirefox-0:128.3.1-2.el9_02024-10-14redhat
redhatfirefox-0:128.3.1-2.el9_22024-10-14redhat
redhatthunderbird-0:128.3.1-1.el9_22024-10-14redhat
redhatthunderbird-0:128.3.1-1.el9_42024-10-14redhat
redhatthunderbird-0:128.3.1-1.el9_02024-10-14redhat
redhatfirefox-0:128.3.1-2.el7_92024-10-14redhat
redhatthunderbird-0:128.3.1-1.el8_102024-10-14redhat
redhatfirefox-0:128.3.1-2.el8_102024-10-10redhat
redhatfirefox-0:128.3.1-2.el9_42024-10-10redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(8 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
firefox-esr102.1.0esr-1 ... 91.9.1esr-1~deb9u1 (177 versions)128.3.1esr-1~deb11u1—
thunderbird1:102.0.1-1 ... 1:91.9.0-1~deb9u1 (205 versions)1:115.16.0esr-1~deb11u1—
Debian:12(2)
PackageVulnerable rangeFixed inDependents
firefox-esr102.11.0esr-1 ... 128.3.1esr-1~deb11u1 (84 versions)128.3.1esr-1~deb12u1—
thunderbird1:102.11.0-1 ... 1:115.9.0-1~deb12u1 (90 versions)1:115.16.0esr-1~deb12u1—
Debian:13(2)
PackageVulnerable rangeFixed inDependents
firefox-esr—128.3.1esr-1—
thunderbird—1:128.3.2esr-1—
Debian:14(2)
PackageVulnerable rangeFixed inDependents
firefox-esr—128.3.1esr-1—
thunderbird—1:128.3.2esr-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(4)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 101× in last 7d / 423× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 1,520 total refreshes for this CVE.

  1. 2026-09-19 16:51 UTCEG score recompute
  2. 2026-09-19 16:51 UTCVendor advisory
  3. 2026-09-19 16:50 UTCGHSA enrichment
  4. 2026-09-19 15:41 UTCEPSS rescore
  5. 2026-09-19 12:46 UTCVendor advisory
  6. 2026-09-19 12:46 UTCGHSA enrichment
  7. 2026-09-19 08:41 UTCVendor advisory
  8. 2026-09-19 08:41 UTCGHSA enrichment
  9. 2026-09-19 04:35 UTCVendor advisory
  10. 2026-09-19 04:35 UTCGHSA enrichment
  11. 2026-09-19 00:29 UTCVendor advisory
  12. 2026-09-19 00:29 UTCGHSA enrichment
  13. 2026-09-18 20:23 UTCEG score recompute
  14. 2026-09-18 20:23 UTCVendor advisory
  15. 2026-09-18 20:22 UTCGHSA enrichment
  16. 2026-09-18 19:27 UTCEPSS rescore
  17. 2026-09-18 19:26 UTCEPSS rescore
  18. 2026-09-18 19:20 UTCCISA KEV update
  19. 2026-09-18 16:18 UTCVendor advisory
  20. 2026-09-18 16:18 UTCGHSA enrichment
  21. 2026-09-18 14:15 UTCCISA KEV update
  22. 2026-09-18 12:13 UTCVendor advisory
  23. 2026-09-18 12:13 UTCGHSA enrichment
  24. 2026-09-18 08:09 UTCVendor advisory
  25. 2026-09-18 08:09 UTCGHSA enrichment
Show 75 more
  1. 2026-09-18 04:04 UTCVendor advisory
  2. 2026-09-18 04:04 UTCGHSA enrichment
  3. 2026-09-17 23:59 UTCVendor advisory
  4. 2026-09-17 23:59 UTCGHSA enrichment
  5. 2026-09-17 19:54 UTCEG score recompute
  6. 2026-09-17 19:54 UTCVendor advisory
  7. 2026-09-17 19:53 UTCGHSA enrichment
  8. 2026-09-17 15:47 UTCVendor advisory
  9. 2026-09-17 15:47 UTCGHSA enrichment
  10. 2026-09-17 11:42 UTCVendor advisory
  11. 2026-09-17 11:42 UTCGHSA enrichment
  12. 2026-09-17 07:37 UTCVendor advisory
  13. 2026-09-17 07:37 UTCGHSA enrichment
  14. 2026-09-17 03:32 UTCVendor advisory
  15. 2026-09-17 03:32 UTCGHSA enrichment
  16. 2026-09-16 23:27 UTCVendor advisory
  17. 2026-09-16 23:27 UTCGHSA enrichment
  18. 2026-09-16 19:22 UTCVendor advisory
  19. 2026-09-16 19:22 UTCGHSA enrichment
  20. 2026-09-16 15:17 UTCEG score recompute
  21. 2026-09-16 15:17 UTCVendor advisory
  22. 2026-09-16 15:17 UTCGHSA enrichment
  23. 2026-09-16 14:10 UTCCISA KEV update
  24. 2026-09-16 14:06 UTCEPSS rescore
  25. 2026-09-16 14:06 UTCEPSS rescore
  26. 2026-09-16 11:12 UTCVendor advisory
  27. 2026-09-16 11:12 UTCGHSA enrichment
  28. 2026-09-16 07:08 UTCEG score recompute
  29. 2026-09-16 07:08 UTCVendor advisory
  30. 2026-09-16 07:08 UTCGHSA enrichment
  31. 2026-09-16 05:13 UTCEPSS rescore
  32. 2026-09-16 03:03 UTCVendor advisory
  33. 2026-09-16 03:03 UTCGHSA enrichment
  34. 2026-09-15 22:58 UTCVendor advisory
  35. 2026-09-15 22:58 UTCGHSA enrichment
  36. 2026-09-15 18:53 UTCVendor advisory
  37. 2026-09-15 18:53 UTCGHSA enrichment
  38. 2026-09-15 14:48 UTCVendor advisory
  39. 2026-09-15 14:48 UTCGHSA enrichment
  40. 2026-09-15 10:44 UTCVendor advisory
  41. 2026-09-15 10:43 UTCGHSA enrichment
  42. 2026-09-15 06:35 UTCEG score recompute
  43. 2026-09-15 06:35 UTCVendor advisory
  44. 2026-09-15 06:35 UTCGHSA enrichment
  45. 2026-09-15 03:08 UTCEPSS rescore
  46. 2026-09-15 02:30 UTCVendor advisory
  47. 2026-09-15 02:30 UTCGHSA enrichment
  48. 2026-09-14 22:25 UTCVendor advisory
  49. 2026-09-14 22:25 UTCGHSA enrichment
  50. 2026-09-14 19:24 UTCCISA KEV update
  51. 2026-09-14 18:20 UTCVendor advisory
  52. 2026-09-14 18:20 UTCGHSA enrichment
  53. 2026-09-14 14:16 UTCVendor advisory
  54. 2026-09-14 14:16 UTCGHSA enrichment
  55. 2026-09-14 10:11 UTCVendor advisory
  56. 2026-09-14 10:11 UTCGHSA enrichment
  57. 2026-09-14 06:06 UTCVendor advisory
  58. 2026-09-14 06:06 UTCGHSA enrichment
  59. 2026-09-14 02:02 UTCVendor advisory
  60. 2026-09-14 02:02 UTCGHSA enrichment
  61. 2026-09-13 21:57 UTCVendor advisory
  62. 2026-09-13 21:57 UTCGHSA enrichment
  63. 2026-09-13 17:52 UTCEG score recompute
  64. 2026-09-13 17:52 UTCVendor advisory
  65. 2026-09-13 17:52 UTCGHSA enrichment
  66. 2026-09-13 16:45 UTCEPSS rescore
  67. 2026-09-13 13:47 UTCVendor advisory
  68. 2026-09-13 13:47 UTCGHSA enrichment
  69. 2026-09-13 09:42 UTCVendor advisory
  70. 2026-09-13 09:42 UTCGHSA enrichment
  71. 2026-09-13 05:37 UTCVendor advisory
  72. 2026-09-13 05:37 UTCGHSA enrichment
  73. 2026-09-13 01:33 UTCVendor advisory
  74. 2026-09-13 01:33 UTCGHSA enrichment
  75. 2026-09-12 21:28 UTCVendor advisory

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCmoscovium-mc/Tor-0day-JavaScript-Exploit
    First seen Nov 7, 2025

    Firefox/Tor Browser 0day exploit analysis (CVE-2024-9680) A UAF in animation timelines leading to RCE. Patched.

    Open source ↗
  • GitHub PoCtdonaworth/Firefox-CVE-2024-9680
    First seen Oct 17, 2024
    Open source ↗

Frequently asked(6)

What is CVE-2024-9680?
CVE-2024-9680 is a critical vulnerability published on October 9, 2024. 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,…
When was CVE-2024-9680 disclosed?
CVE-2024-9680 was first published in the National Vulnerability Database on October 9, 2024, with the most recent update on August 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-9680 actively exploited?
Yes. CISA added CVE-2024-9680 to the Known Exploited Vulnerabilities catalog on October 15, 2024, affecting Mozilla Firefox. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2024-9680?
CVE-2024-9680 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2024-9680?
CVE-2024-9680 affects Mozilla Firefox. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2024-9680?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-9680, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-9680

Explore →

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