Vulnerability in Mozilla Firefox
CVE-2019-9797
Cross-origin images can be read in violation of the same-origin policy by exporting an image after using createImageBitmap to read the image and then rendering the resulting bitmap image within a canvas element. This vulnerability affects Firefox < 66.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.mozilla.org/security/advisories/mfsa2019-07/ (Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking, Vendor Advisory)
- seclists.org/bugtraq/2019/May/56 (mailing-list)
- seclists.org/bugtraq/2019/May/59 (mailing-list)
- www.debian.org/security/2019/dsa-4448 (vendor-advisory)
- lists.debian.org/debian-lts-announce/2019/05/msg00032.html (mailing-list)
- access.redhat.com/errata/RHSA-2019:1265 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:1267 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:1269 (vendor-advisory)
- www.debian.org/security/2019/dsa-4451 (vendor-advisory)
Frequently asked questions
- What is CVE-2019-9797?
- CVE-2019-9797 is a medium-severity vulnerability in Mozilla Firefox, classified under Origin Validation Error. CVSS score: 5.3/10. Published 2019-04-26.
- How severe is CVE-2019-9797?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2019-9797 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.