CVE-2024-7520 — Type Confusion in Mozilla Firefox

CWE-843 — Type ConfusionCWE-94 — Code Injection10 documents8 sources
Severity
8.8HIGHNVD
EPSS
0.7%
top 29.02%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedAug 6
Latest updateAug 19

Description

A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages7 packages

▶CVEListV5mozilla/firefoxunspecified — 129
▶NVDmozilla/firefox< 129.0
▶CVEListV5mozilla/firefox_esrunspecified — 128.1
▶NVDmozilla/firefox_esr< 128.1.0
▶Ubuntumozilla/firefox< 129.0.1+build1-0ubuntu0.20.04.1

🔴Vulnerability Details

3
GHSA
GHSA-7j5g-jfh2-w58c: A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution↗2024-08-06
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CVEList
CVE-2024-7520: A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution↗2024-08-06
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OSV
CVE-2024-7520: A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution↗2024-08-06
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📋Vendor Advisories

6
Ubuntu
Firefox vulnerabilities↗2024-08-19
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Red Hat
mozilla: Type confusion in WebAssembly↗2024-08-06
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Debian
CVE-2024-7520: firefox - A type confusion bug in WebAssembly could be leveraged by an attacker to potenti...↗2024
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Mozilla
Mozilla Foundation Security Advisory 2024-35: CVE-2024-7520↗
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Mozilla
Mozilla Foundation Security Advisory 2024-37: CVE-2024-7520↗
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CVE-2024-7520 — Type Confusion in Mozilla Firefox | cvebase