CVE-2019-11742: mozilla firefox
Vulnerability summary
CVE-2019-11742 is a medium (CVSS 6.5) vulnerability in mozilla firefox. EPSS estimates a 1.69% chance of exploitation in the next 30 days, higher than 76.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 29 · Related 15Timeline
- 27-09-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a <canvas> element due to an error in how same-origin policy is applied to cached image content. The resulting same-origin policy violation could allow for data theft. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS trend
Probability
1.69%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
0.00 pp
From 1.69% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu4 products
- firefox< 69.0+build2-0ubuntu0.16.04.4 | < 69.0+build2-0ubuntu0.18.04.1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- thunderbird< 1:60.9.0+build1-0ubuntu0.16.04.2 | < 1:60.9.0+build1-0ubuntu0.18.04.1
Mozilla3 products
- firefox≥ unspecified, < 69 | < 60.9.0 | < 69.0
- firefox_esr≥ unspecified, < 60.9 | ≥ unspecified, < 68.1 | ≥ 68.0, < 68.1.0
- thunderbird≥ unspecified, < 68.1 | ≥ unspecified, < 60.9 | < 60.9.0 | ≥ 68.0, < 68.1.0
Debian2 products
- firefox-esr< 68.1.0esr-1
- thunderbird< 1:60.9.0-1
3 vendors · 9 products
References
19 links- bugzilla.mozilla.org/show_bug.cgi?id=1559715X Refsource MISCIssue TrackingPermissions RequiredVendor Advisory