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CVE-2024-8381
A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with`…
Critical9.8EPSS 4.4%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.
Timeline
ID reserved
By mozilla
Published
- 14 months later
· 14 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 4.4% · top 8.6% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- Type confusion when looking up a property name in a "with" block
- CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') (opens in a new tab)All about CWE-843 and its CVEs
Affected products
- affected unspecified – < 130
- affected unspecified – < 128.2
- affected unspecified – < 115.15
- affected unspecified – < 128.2
- affected unspecified – < 115.15
References (8)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1912715 (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2024-39/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2024-40/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2024-41/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2024-43/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2024-44/ (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-8381)Record last updated .