CVE-2023-4585: Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2
Last updated 24 July 2024
Other sources
Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
— Mozilla
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 115.2 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 117 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 115.2 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 138.0.1-1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.14.0esr-1~deb11u1Fixed in 128.9.0esr-1~deb11u1Fixed in 128.8.0esr-1~deb12u1Fixed in 128.10.0esr-1~deb12u1Fixed in 128.10.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.12.0-1~deb11u1Fixed in 1:128.10.0esr-1~deb11u1Fixed in 1:128.8.0esr-1~deb12u1Fixed in 1:128.10.0esr-1~deb12u1Fixed in 1:128.10.0esr-1 - Upgrade
Upgrade
redhat/firefoxto a version that resolves this vulnerability.Fixed in 115.2 - Upgrade
Upgrade
redhat/thunderbirdto a version that resolves this vulnerability.Fixed in 115.2
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2023-4585?
The severity of CVE-2023-4585 is high (8.8).
Which software versions are affected by CVE-2023-4585?
Firefox versions below 117, Firefox ESR versions below 115.2, and Thunderbird versions below 115.2 are affected by CVE-2023-4585.
Is memory corruption possible with CVE-2023-4585?
Yes, there is evidence of memory corruption with CVE-2023-4585.
Can CVE-2023-4585 be exploited to run arbitrary code?
With enough effort, CVE-2023-4585 could be exploited to run arbitrary code.
Where can I find more information about CVE-2023-4585?
You can find more information about CVE-2023-4585 at the following references: [MITRE CVE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4585), [Ubuntu Security Notice](https://ubuntu.com/security/notices/USN-6320-1), [NIST NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-4585).