CVE-2024-9399Improper Resource Shutdown or Release in Mozilla Firefox

Severity
7.5HIGHNVD
OSV9.8
EPSS
0.3%
top 50.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 1
Latest updateFeb 2

Description

A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages7 packages

CVEListV5mozilla/firefoxunspecified131
NVDmozilla/firefox129.0131.0+1
CVEListV5mozilla/firefox_esrunspecified128.3
Ubuntumozilla/firefox< 131.0+build1.1-0ubuntu0.20.04.1
CVEListV5mozilla/thunderbirdunspecified128.3+1

🔴Vulnerability Details

4
OSV
firefox vulnerabilities2024-10-07
OSV
CVE-2024-9399: A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition2024-10-01
GHSA
GHSA-g76c-5vhc-hqmg: A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition2024-10-01
CVEList
CVE-2024-9399: A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition2024-10-01

📋Vendor Advisories

8
Ubuntu
Thunderbird vulnerabilities2026-02-02
Ubuntu
Firefox vulnerabilities2024-10-07
Red Hat
firefox: thunderbird: Specially crafted WebTransport requests could lead to denial of service2024-10-01
Debian
CVE-2024-9399: firefox - A website configured to initiate a specially crafted WebTransport session could ...2024
Mozilla
Mozilla Foundation Security Advisory 2024-50: CVE-2024-9399
CVE-2024-9399 — Improper Resource Shutdown or Release | cvebase