Vulnerability · Published Jun 19, 2023 · Assigned by mozilla
CVE-2023-32214
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 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.9%top 39.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Protocol handlers `ms-cxh` and `ms-cxh-full` could have been leveraged to trigger a denial of service. *Note: This attack only affects Windows. Other operating systems are not affected.* This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox-esr | 102.11.0-r0 | ALPINE-CVE-2023-32214 |
| Alpine:v3.21 | firefox-esr | 102.11.0-r0 | ALPINE-CVE-2023-32214 |
| Alpine:v3.22 | firefox-esr | 102.11.0-r0 | ALPINE-CVE-2023-32214 |
| Alpine:v3.23 | firefox-esr | 102.11.0-r0 | ALPINE-CVE-2023-32214 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 113 |
| Mozilla | Firefox ESR | unspecified – before 102.11 |
| Mozilla | Thunderbird | unspecified – before 102.11 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1828716
- https://security.gentoo.org/glsa/202312-03
- https://security.gentoo.org/glsa/202401-10
- https://www.mozilla.org/security/advisories/mfsa2023-16/
- https://www.mozilla.org/security/advisories/mfsa2023-17/
- https://www.mozilla.org/security/advisories/mfsa2023-18/