Vulnerability · Published Jun 2, 2023 · Assigned by mozilla
CVE-2023-25746
High 8.8
In plain English
A high-severity out-of-bounds write in Firefox ESR from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.7%top 47.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Memory safety bugs present in Firefox ESR 102.7. 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. This vulnerability affects Thunderbird < 102.8 and Firefox ESR < 102.8.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 102.8.0-2.el8_7.alma | ALSA-2023:0808 |
| AlmaLinux:9 | firefox | 102.8.0-2.el9_1.alma | ALSA-2023:0810 |
| AlmaLinux:9 | firefox-x11 | 102.8.0-2.el9_1.alma | ALSA-2023:0810 |
| AlmaLinux:8 | thunderbird | 102.8.0-2.el8_7.alma | ALSA-2023:0821 |
| AlmaLinux:9 | thunderbird | 102.8.0-2.el9_1.alma | ALSA-2023:0824 |
| Alpine:v3.20 | firefox-esr | 102.8.0-r0 | ALPINE-CVE-2023-25746 |
| Alpine:v3.21 | firefox-esr | 102.8.0-r0 | ALPINE-CVE-2023-25746 |
| Alpine:v3.22 | firefox-esr | 102.8.0-r0 | ALPINE-CVE-2023-25746 |
| Alpine:v3.23 | firefox-esr | 102.8.0-r0 | ALPINE-CVE-2023-25746 |
| Debian:12 | firefox-esr | 102.8.0esr-1 | DEBIAN-CVE-2023-25746 |
| Debian:13 | firefox-esr | 102.8.0esr-1 | DEBIAN-CVE-2023-25746 |
| Debian:14 | firefox-esr | 102.8.0esr-1 | DEBIAN-CVE-2023-25746 |
| Debian:12 | thunderbird | 1:102.8.0-1 | DEBIAN-CVE-2023-25746 |
| Debian:13 | thunderbird | 1:102.8.0-1 | DEBIAN-CVE-2023-25746 |
| Debian:14 | thunderbird | 1:102.8.0-1 | DEBIAN-CVE-2023-25746 |
| Rocky Linux:8 | firefox | 0:102.8.0-2.el8_7 | RLSA-2023:0808 |
| Rocky Linux:9 | firefox | 0:102.8.0-2.el9_1 | RLSA-2023:0810 |
| Rocky Linux:8 | thunderbird | 0:102.8.0-2.el8_7 | RLSA-2023:0821 |
| Rocky Linux:9 | thunderbird | 0:102.8.0-2.el9_1 | RLSA-2023:0824 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.8.0+build2-0ubuntu0.22.04.1 | USN-5943-1 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.8.0+build2-0ubuntu0.22.04.1 | UBUNTU-CVE-2023-25746 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | unspecified – before 102.8 |
| Mozilla | Firefox ESR | unspecified – before 102.8 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H