CVE-2024-8385 — Type Confusion in Mozilla Firefox

CWE-843 — Type Confusion10 documents8 sources
Severity
9.8CRITICALNVD
EPSS
0.3%
top 48.74%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedSep 3
Latest updateSep 5

Description

A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5mozilla/firefoxunspecified — 130
▶NVDmozilla/firefox< 130.0
▶CVEListV5mozilla/firefox_esrunspecified — 128.2
▶NVDmozilla/firefox_esr< 128.2
▶CVEListV5mozilla/thunderbirdunspecified — 128.2

🔴Vulnerability Details

3
OSV
CVE-2024-8385: A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability↗2024-09-03
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GHSA
GHSA-j3m3-gfhr-jmqf: A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability↗2024-09-03
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CVEList
CVE-2024-8385: A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability↗2024-09-03
▶

📋Vendor Advisories

6
Ubuntu
Firefox vulnerabilities↗2024-09-05
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Red Hat
mozilla: WASM type confusion involving ArrayTypes↗2024-09-03
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Debian
CVE-2024-8385: firefox - A difference in the handling of StructFields and ArrayTypes in WASM could be use...↗2024
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Mozilla
Mozilla Foundation Security Advisory 2024-43: CVE-2024-8385↗
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Mozilla
Mozilla Foundation Security Advisory 2024-39: CVE-2024-8385↗
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CVE-2024-8385 — Type Confusion in Mozilla Firefox | cvebase