CVE-2024-9403 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Mozilla Firefox

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-120 — Classic Buffer Overflow11 documents8 sources
Severity
7.3HIGHNVD
OSV9.8
EPSS
0.1%
top 71.74%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxMozilla Thunderbird
Timeline
PublishedOct 1
Latest updateFeb 2

Description

Memory safety bugs present in Firefox 130. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 131 and Thunderbird < 131.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LExploitability: 3.9 | Impact: 3.4

Affected Packages6 packages

▶CVEListV5mozilla/firefoxunspecified — 131
▶NVDmozilla/firefox< 131.0
▶Ubuntumozilla/firefox< 131.0+build1.1-0ubuntu0.20.04.1
▶CVEListV5mozilla/thunderbirdunspecified — 131
▶NVDmozilla/thunderbird< 131.0

🔴Vulnerability Details

4
OSV
firefox vulnerabilities↗2024-10-07
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CVEList
CVE-2024-9403: Memory safety bugs present in Firefox 130↗2024-10-01
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GHSA
GHSA-94mm-6r76-6pgh: Memory safety bugs present in Firefox 130↗2024-10-01
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OSV
CVE-2024-9403: Memory safety bugs present in Firefox 130↗2024-10-01
▶

📋Vendor Advisories

6
Ubuntu
Thunderbird vulnerabilities↗2026-02-02
▶
Ubuntu
Firefox vulnerabilities↗2024-10-07
▶
Red Hat
firefox: thunderbird: Memory safety bugs fixed in Firefox 131 and Thunderbird 131↗2024-10-01
▶
Debian
CVE-2024-9403: firefox - Memory safety bugs present in Firefox 130. Some of these bugs showed evidence of...↗2024
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Mozilla
Mozilla Foundation Security Advisory 2024-46: CVE-2024-9403↗
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CVE-2024-9403 — Mozilla Firefox vulnerability | cvebase