Information disclosure in Mozilla Firefox
CVE-2018-18511
Cross-origin images can be read from a canvas element in violation of the same-origin policy using the transferFromImageBitmap method. *Note: This only affects Firefox 65. Previous versions are unaffected.*. This vulnerability affects Firefox < 65.0.1.
Vulnerability class: Information Disclosure
EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
Affected products
- Mozilla Firefox — versions 65.0, unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@mozilla.org (x_refsource_MISC, Vendor Advisory)
- security@mozilla.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- security@mozilla.org (mailing-list, x_refsource_BUGTRAQ)
- security@mozilla.org (mailing-list, x_refsource_BUGTRAQ)
- security@mozilla.org (vendor-advisory, x_refsource_DEBIAN)
- security@mozilla.org (mailing-list, x_refsource_MLIST)
- security@mozilla.org (x_refsource_REDHAT, vendor-advisory)
- security@mozilla.org (x_refsource_REDHAT, vendor-advisory)
- security@mozilla.org (x_refsource_REDHAT, vendor-advisory)
- security@mozilla.org (vendor-advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2018-18511?
- CVE-2018-18511 is a medium-severity vulnerability in Mozilla Firefox, classified under Information Disclosure. CVSS score: 4.3/10. Published 2019-04-26.
- How severe is CVE-2018-18511?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2018-18511 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.