Vulnerability · Published Jun 19, 2023 · Assigned by mozilla
CVE-2023-29531
Critical 9.8
In plain English
A critical-severity out-of-bounds write 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 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potentially exploitable crash. *This bug only affects Firefox and Thunderbird for macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox-esr | 102.10.0-r0 | ALPINE-CVE-2023-29531 |
| Alpine:v3.21 | firefox-esr | 102.10.0-r0 | ALPINE-CVE-2023-29531 |
| Alpine:v3.22 | firefox-esr | 102.10.0-r0 | ALPINE-CVE-2023-29531 |
| Alpine:v3.23 | firefox-esr | 102.10.0-r0 | ALPINE-CVE-2023-29531 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2023-29531 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2023-29531 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 112 |
| Mozilla | Firefox ESR | unspecified – before 102.10 |
| Mozilla | Thunderbird | unspecified – before 102.10 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H