Vulnerability · Published Jul 9, 2024 · Assigned by mozilla
CVE-2024-6603Memory corruption in thread creation
High 7.4
In plain English
A high-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.5%top 54.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In an out-of-memory scenario an allocation could fail but free would have been called on the pointer afterwards leading to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 115.13.0-3.el8_10.alma.1 | ALSA-2024:4517 |
| AlmaLinux:9 | firefox | 115.13.0-3.el9_4.alma.1 | ALSA-2024:4500 |
| AlmaLinux:9 | firefox-x11 | 115.13.0-3.el9_4.alma.1 | ALSA-2024:4500 |
| AlmaLinux:8 | thunderbird | 115.13.0-3.el8_10.alma.1 | ALSA-2024:4635 |
| AlmaLinux:9 | thunderbird | 115.13.0-3.el9_4.alma.1 | ALSA-2024:4624 |
| Debian:12 | firefox-esr | 115.13.0esr-1~deb12u1 | DSA-5727-1 |
| Debian:12 | firefox-esr | 115.13.0esr-1~deb12u1 | DEBIAN-CVE-2024-6603 |
| Debian:13 | firefox-esr | 115.13.0esr-1 | DEBIAN-CVE-2024-6603 |
| Debian:14 | firefox-esr | 115.13.0esr-1 | DEBIAN-CVE-2024-6603 |
| Debian:12 | thunderbird | 1:115.13.0-1~deb12u1 | DEBIAN-CVE-2024-6603 |
| Debian:12 | thunderbird | 1:115.13.0-1~deb12u1 | DSA-5733-1 |
| Debian:13 | thunderbird | 1:115.13.0-1 | DEBIAN-CVE-2024-6603 |
| Debian:14 | thunderbird | 1:115.13.0-1 | DEBIAN-CVE-2024-6603 |
| Rocky Linux:8 | firefox | 0:115.13.0-3.el8_10 | RLSA-2024:4517 |
| Rocky Linux:9 | firefox | 0:115.13.0-3.el9_4 | RLSA-2024:4500 |
| Rocky Linux:8 | thunderbird | 0:115.13.0-3.el8_10 | RLSA-2024:4635 |
| Rocky Linux:9 | thunderbird | 0:115.13.0-3.el9_4 | RLSA-2024:4624 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-6603 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-6603 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2024-6603 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2024-6603 |
| Ubuntu:22.04:LTS | thunderbird | 1:115.13.0+build5-0ubuntu0.22.04.1 | UBUNTU-CVE-2024-6603 |
| Ubuntu:22.04:LTS | thunderbird | 1:115.13.0+build5-0ubuntu0.22.04.1 | USN-6903-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 128 |
| Mozilla | Firefox ESR | unspecified – before 115.13 |
| Mozilla | Thunderbird | unspecified – before 115.13 |
| Mozilla | Thunderbird | unspecified – before 128 |
Weakness: CWE-823 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N