CVE-2024-9399

firefox: thunderbird: Specially crafted WebTransport requests could lead to denial of service

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Severity

Low

Red Hat Product Security

3.1

CVSS 3.1

Review impact separately from score.

Published · October 2, 2024

Updated · April 23, 2026

Description

The Mozilla Foundation's Security Advisory: A website configured to initiate a specially crafted WebTransport session could crash the Firefox process, leading to a denial of service condition.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

CWE-754 · Improper Check for Unusual or Exceptional Conditions