CVE-2024-7527: Use After Free
First published: Tue Aug 06 2024(Updated: )
Last updated 9 September 2024
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox ESR | <128.1 | 128.1 |
| Mozilla Thunderbird | <128.1 | 128.1 |
| Mozilla Firefox | <129.0 | |
| Mozilla Firefox ESR | <115.14.0 | |
| Mozilla Firefox ESR | =128.0 | |
| Mozilla Thunderbird | <115.14.0 | |
| Mozilla Thunderbird | =128.0.1 | |
| Mozilla Firefox ESR | <115.14 | 115.14 |
| Mozilla Thunderbird | <115.14 | 115.14 |
| Mozilla Firefox | <129 | 129 |
| debian/firefox | 131.0.3-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.3.1esr-1~deb11u1 115.14.0esr-1~deb12u1 128.3.1esr-1~deb12u1 128.3.1esr-2 | |
| debian/thunderbird | <=1:115.12.0-1~deb11u1<=1:115.12.0-1~deb12u1 | 1:115.16.0esr-1~deb11u1 1:115.16.0esr-1~deb12u1 1:128.2.0esr-1 1:128.3.0esr-1 |
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=1871303
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-35/
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-37/
- https://www.mozilla.org/security/advisories/mfsa2024-33/
- https://www.mozilla.org/security/advisories/mfsa2024-34/
- https://www.mozilla.org/security/advisories/mfsa2024-35/
- https://www.mozilla.org/security/advisories/mfsa2024-37/
- https://www.mozilla.org/security/advisories/mfsa2024-38/
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-33/
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-34/
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-38/
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-33/#CVE-2024-7527
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-34/#CVE-2024-7527
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-38/#CVE-2024-7527
- https://security-tracker.debian.org/tracker/CVE-2024-7527
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7527
- https://nvd.nist.gov/vuln/detail/CVE-2024-7527
- https://launchpad.net/bugs/cve/CVE-2024-7527
- https://ubuntu.com/security/CVE-2024-7527
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2024-7527?
CVE-2024-7527 is classified as a critical vulnerability due to the potential for exploit causing a use-after-free condition.
How do I fix CVE-2024-7527?
To remediate CVE-2024-7527, update to Firefox version 129 or later, Firefox ESR version 115.14 or later, or Thunderbird version 128.1 or later.
Which versions are affected by CVE-2024-7527?
CVE-2024-7527 affects Firefox versions lower than 129, Firefox ESR versions lower than 115.14 and 128.1, and Thunderbird versions lower than 128.1.
What type of vulnerability is CVE-2024-7527?
CVE-2024-7527 is a use-after-free vulnerability that can be triggered during unexpected marking work at the start of the sweeping process.
Who is the vendor for CVE-2024-7527?
The vendor for CVE-2024-7527 is Mozilla, which develops Firefox, Firefox ESR, and Thunderbird software.
- agent/weakness
- agent/type
- agent/first-publish-date
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup
- agent/severity
- collector/nvd-api
- source/NVD
- collector/nvd-cve
- agent/author
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/description
- agent/event
- collector/epss-latest
- source/FIRST
- agent/epss
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- agent/tags
- agent/source
- vendor/mozilla
- canonical/mozilla firefox esr
- canonical/mozilla thunderbird
- canonical/mozilla firefox
- version/mozilla firefox esr/128.0
- version/mozilla thunderbird/128.0.1
- package-manager/debian