Page generated: 09 Nov 2026, 10:23 UTC
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CVE-2024-9680

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 < 1…

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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 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.6/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 23.18%: +0.12

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 13 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Google Cloud
Press · 29 Apr 2025, 07:00 · Hello 0-Days, My Old Friend: A 2024 Zero-Day Exploitation Analysis - Google Cloud
The Record from Recorded Future News
Press · 28 Mar 2025, 07:00 · Firefox fixes flaw similar to Chrome zero-day used against Russian organizations - The Record from Recorded Future News
Infosecurity Magazine
Press · 27 Nov 2024, 08:00 · Russian RomCom APT Group Leverages Zero-Day Flaws in Firefox and Windows - Infosecurity Magazine
Help Net Security
Press · 26 Nov 2024, 08:00 · RomCom hackers chained Firefox and Windows zero-days to deliver backdoor - Help Net Security
WeLiveSecurity
Press · 26 Nov 2024, 08:00 · RomCom exploits Firefox and Windows zero days in the wild - WeLiveSecurity
See all 13 source documents
The Hacker News
Press · 26 Nov 2024, 08:00 · RomCom Exploits Zero-Day Firefox and Windows Flaws in Sophisticated Cyberattacks - The Hacker News
Lookout
Press · 30 Oct 2024, 07:00 · Firefox and Chrome Mobile Vulnerabilities | Threat Intel - Lookout
The Record from Recorded Future News
Press · 14 Oct 2024, 07:00 · Recently-patched Firefox bug exploited against Tor browser users - The Record from Recorded Future News
Help Net Security
Press · 10 Oct 2024, 07:00 · Actively exploited Firefox zero-day fixed, update ASAP! (CVE-2024-9680) - Help Net Security
The Hacker News
Press · 10 Oct 2024, 07:00 · Firefox Zero-Day Under Attack: Update Your Browser Immediately - The Hacker News
The Record from Recorded Future News
Press · 10 Oct 2024, 07:00 · Mozilla fixes critical Firefox bug exploited in the wild - The Record from Recorded Future News
PCWorld
Press · 10 Oct 2024, 07:00 · Update Firefox 131 now to patch a critical zero-day security flaw - PCWorld
How-To Geek
Press · 09 Oct 2024, 07:00 · You Should Update Firefox Now - How-To Geek

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.6 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 23.2%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:25.323730+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
09 Oct 2024, 07:00
Published
09 Oct 2024, 12:59
Added to the CISA KEV catalog
15 Oct 2024, 00:00
Latest press mention
29 Apr 2025, 07:00
Score calculated
05 Nov 2026, 13:59