CVE-2024-9680
Use After Free
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Official description from the CVE record, published by mozilla. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 Critical 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
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EPSS
- Score
- 0.23184 (23.2% probability)
- Percentile
- 97.8%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Mozilla Firefox Use-After-Free Vulnerability
- Added to the catalog
- Oct 15, 2024
- Federal due date
- Nov 5, 2024
- Ransomware campaigns
- Known use
CISA assessment as of Oct 9, 2024
- Exploitation
- Recorded by CISA as active
- Automatable
- yes
- Technical impact
- total
Weakness (CWE)
- CWE-416Use After Free
Affected products
Mozilla Firefox
- affected: unspecified up to before 131.0.2
Mozilla Firefox ESR
- affected: unspecified up to before 128.3.1
Mozilla Firefox ESR
- affected: unspecified up to before 115.16.1
Mozilla Thunderbird
- affected: unspecified up to before 131.0.1
Mozilla Thunderbird
- affected: unspecified up to before 128.3.1
Mozilla Thunderbird
- affected: unspecified up to before 115.16.0
References
- bugzilla.mozilla.org/show_bug.cgi?id=1923344
- Windows sandbox escape detected with the in-the-wild exploit (msrc.microsoft.com)
- mozilla.org/security/advisories/mfsa2024-51
- mozilla.org/security/advisories/mfsa2024-52
- bugs.freebsd.org/bugzilla/show_bug.cgi?id=281992
- lists.debian.org/debian-lts-announce/2024/10/msg00005.html
- lists.debian.org/debian-lts-announce/2024/10/msg00006.html
Timeline
- ID reserved
- Record published
- Added to CISA KEV
- Record last updated
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About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:21 UTC. Sources and licenses