CVE-2024-0753 Security feature bypass in Firefox
Attackers can bypass HSTS on subdomains in specific configurations, allowing potential downgrade attacks against Firefox and Thunderbird users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-0753?
CVE-2024-0753 is a medium-severity vulnerability in Debian Debian Linux, published on 23 Jan 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
Which versions are affected by CVE-2024-0753?
It affects 4 products.
Products include Debian Debian Linux, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2024-0753?
Upgrade to a fixed version.
Is CVE-2024-0753 being exploited?
There is no known exploitation of CVE-2024-0753 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2024-0753, GHSA-7jq7-8r3x-pjjq, UBUNTU-CVE-2024-0753.