Vulnerability · Published Aug 1, 2023 · Assigned by mozilla
CVE-2023-4050
High 7.5
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 12.6% (higher than 96% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)12.6%top 3.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 102.14.0-1.el8_8.alma | ALSA-2023:4468 |
| AlmaLinux:9 | firefox | 102.14.0-1.el9_2.alma | ALSA-2023:4462 |
| AlmaLinux:9 | firefox-x11 | 102.14.0-1.el9_2.alma | ALSA-2023:4462 |
| AlmaLinux:8 | thunderbird | 102.14.0-1.el8_8.alma | ALSA-2023:4497 |
| AlmaLinux:9 | thunderbird | 102.14.0-1.el9_2.alma | ALSA-2023:4499 |
| Alpine:v3.20 | firefox-esr | 115.1.0-r0 | ALPINE-CVE-2023-4050 |
| Alpine:v3.21 | firefox-esr | 115.1.0-r0 | ALPINE-CVE-2023-4050 |
| Alpine:v3.22 | firefox-esr | 115.1.0-r0 | ALPINE-CVE-2023-4050 |
| Alpine:v3.23 | firefox-esr | 115.1.0-r0 | ALPINE-CVE-2023-4050 |
| Debian:12 | firefox-esr | 102.14.0esr-1~deb12u1 | DEBIAN-CVE-2023-4050 |
| Debian:12 | firefox-esr | 102.14.0esr-1~deb12u1 | DSA-5464-1 |
| Debian:13 | firefox-esr | 115.1.0esr-1 | DEBIAN-CVE-2023-4050 |
| Debian:14 | firefox-esr | 115.1.0esr-1 | DEBIAN-CVE-2023-4050 |
| Debian:12 | thunderbird | 1:102.14.0-1~deb12u1 | DSA-5469-1 |
| Debian:12 | thunderbird | 1:102.14.0-1~deb12u1 | DEBIAN-CVE-2023-4050 |
| Debian:13 | thunderbird | 1:115.1.0-1 | DEBIAN-CVE-2023-4050 |
| Debian:14 | thunderbird | 1:115.1.0-1 | DEBIAN-CVE-2023-4050 |
| Rocky Linux:8 | firefox | 0:102.14.0-1.el8_8 | RLSA-2023:4468 |
| Rocky Linux:9 | firefox | 0:102.14.0-1.el9_2 | RLSA-2023:4462 |
| Rocky Linux:8 | thunderbird | 0:102.14.0-1.el8_8 | RLSA-2023:4497 |
| Rocky Linux:9 | thunderbird | 0:102.14.0-1.el9_2 | RLSA-2023:4499 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2023-4050 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2023-4050 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2023-4050 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2023-4050 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.15.0+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2023-4050 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.15.0+build1-0ubuntu0.22.04.1 | USN-6333-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 116 |
| Mozilla | Firefox ESR | unspecified – before 102.14 |
| Mozilla | Firefox ESR | unspecified – before 115.1 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1843038
- https://www.mozilla.org/security/advisories/mfsa2023-29/
- https://www.mozilla.org/security/advisories/mfsa2023-30/
- https://www.mozilla.org/security/advisories/mfsa2023-31/
- https://www.debian.org/security/2023/dsa-5464
- https://www.debian.org/security/2023/dsa-5469
- https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html