CVE-2019-11694: mozilla firefox
Vulnerability summary
CVE-2019-11694 is a high (CVSS 7.5) vulnerability in mozilla firefox. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74.1% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 8 · Related 8Timeline
- 23-07-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability exists in the Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file. This results in the potential leaking of information stored at that memory location. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.51%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
+0.14 pp
From 1.37% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mozilla3 products
- firefox≥ unspecified, < 67 | < 60.7.0 | < 67.0
- firefox_esr≥ unspecified, < 60.7
- thunderbird≥ unspecified, < 60.7 | < 60.7.0
Ubuntu2 products
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
2 vendors · 5 products
References
8 links- bugzilla.mozilla.org/show_bug.cgi?id=1534196X Refsource MISCIssue TrackingPermissions RequiredVendor Advisory