CVE-2024-3855
First published: Tue Apr 16 2024(Updated: )
In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/firefox | 135.0.1-1 | |
| Firefox | <125 | 125 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1885828
- https://www.mozilla.org/security/advisories/mfsa2024-18/
- https://launchpad.net/bugs/cve/CVE-2024-3855
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/#CVE-2024-3855
- https://security-tracker.debian.org/tracker/CVE-2024-3855
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3855
- https://nvd.nist.gov/vuln/detail/CVE-2024-3855
- https://ubuntu.com/security/CVE-2024-3855
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2024-3855?
CVE-2024-3855 is classified as a significant vulnerability due to its potential for causing out-of-bounds reads.
How do I fix CVE-2024-3855?
To fix CVE-2024-3855, update to Mozilla Firefox version 125 or later.
Which versions of Firefox are affected by CVE-2024-3855?
CVE-2024-3855 affects all versions of Firefox prior to version 125.
What kind of vulnerability is CVE-2024-3855?
CVE-2024-3855 is a JIT optimization vulnerability that can lead to out-of-bounds memory access.
Is there a fix available for CVE-2024-3855 on Debian systems?
Yes, Debian systems can resolve CVE-2024-3855 by upgrading to the Firefox package version 134.0.2-3 or later.
- agent/type
- agent/first-publish-date
- agent/author
- collector/launchpad-cve
- source/Launchpad
- collector/epss-latest
- source/FIRST
- agent/epss
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/weakness
- collector/nvd-cve
- source/NVD
- agent/last-modified-date
- collector/nvd-api
- agent/trending
- agent/source
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- agent/softwarecombine
- agent/tags
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/mozilla
- canonical/firefox