Vulnerability · Published Oct 1, 2020 · Assigned by mozilla
CVE-2020-15665
Medium 4.3
In plain English
A medium-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 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)0.7%top 47.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Firefox did not reset the address bar after the beforeunload dialog was shown if the user chose to remain on the page. This could have resulted in an incorrect URL being shown when used in conjunction with other unexpected browser behaviors. This vulnerability affects Firefox < 80.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox | 80.0-r0 | ALPINE-CVE-2020-15665 |
| Alpine:v3.21 | firefox | 80.0-r0 | ALPINE-CVE-2020-15665 |
| Alpine:v3.22 | firefox | 80.0-r0 | ALPINE-CVE-2020-15665 |
| Alpine:v3.23 | firefox | 80.0-r0 | ALPINE-CVE-2020-15665 |
| Alpine:v3.21 | librewolf | 80.0-r0 | ALPINE-CVE-2020-15665 |
| Alpine:v3.22 | librewolf | 80.0-r0 | ALPINE-CVE-2020-15665 |
| Alpine:v3.23 | librewolf | 80.0-r0 | ALPINE-CVE-2020-15665 |
| Alpine:v3.24 | librewolf | 80.0-r0 | ALPINE-CVE-2020-15665 |
Affected products (as reported)
References
- https://www.mozilla.org/security/advisories/mfsa2020-36/ x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1651636 x_refsource_MISC