Origin validation error in Mozilla Firefox
Priority LOW 26CWE-346Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-346.
Summary
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.
Why it matters now
EPSS 0.01109 66th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 66Red Hat: 6 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 66
Red Hat 6 advisories
- RHSA-2019:1310 Released 2019-06-03 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-60.7.0-1.el6_10
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-60.7.0-1.el6_10
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-60.7.0-1.el6_10
- RHSA-2019:1309 Released 2019-06-03 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-60.7.0-1.el7_6
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-60.7.0-1.el7_6
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-60.7.0-1.el7_6
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) thunderbird-60.7.0-1.el7_6
- RHSA-2019:1308 Released 2019-06-03 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-60.7.0-1.el8_0
Show 3 more Red Hat advisories
- RHSA-2019:1269 Released 2019-05-23 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-60.7.0-1.el8_0
- RHSA-2019:1267 Released 2019-05-23 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux Desktop (v. 6) firefox-60.7.0-1.el6_10
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-60.7.0-1.el6_10
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-60.7.0-1.el6_10
- Red Hat Enterprise Linux Server (v. 6) firefox-60.7.0-1.el6_10
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-60.7.0-1.el6_10
- Red Hat Enterprise Linux Workstation (v. 6) firefox-60.7.0-1.el6_10
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-60.7.0-1.el6_10
- RHSA-2019:1265 Released 2019-05-23 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-60.7.0-1.el7_6
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-60.7.0-1.el7_6
- Red Hat Enterprise Linux Server (v. 7) firefox-60.7.0-1.el7_6
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-60.7.0-1.el7_6
- Red Hat Enterprise Linux Workstation (v. 7) firefox-60.7.0-1.el7_6
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-60.7.0-1.el7_6
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) firefox-60.7.0-1.el7_6
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 66
21 records Highest priority Priority MEDIUM 10 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2019-07177 Type confusion in Mozilla ThunderbirdPriority MEDIUM 61
- TI-2019-07178 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 57
- TI-2019-07190 OS command injection in Mozilla FirefoxPriority MEDIUM 46
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2019:1269, RHSA-2019:1308 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2019:1265, RHSA-2019:1309 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2019:1265 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2019:1267, RHSA-2019:1310 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2019:1267 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2019:1267 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2019:1267 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:1265 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2019:1267, RHSA-2019:1310 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2019:1265, RHSA-2019:1309 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2019:1267, RHSA-2019:1310 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2019:1265, RHSA-2019:1309 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2019:1267 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2019:1265 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) | Fixed | RHSA-2019:1265 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) | Fixed | RHSA-2019:1309 |
Timeline
- 2026-10-02 Threatist record created from CVE-2019-9797
- 2026-10-03 Alias added: GHSA-9wjj-25rq-652w
References
Advisory 14
Other 5
- 20190522 [slackware-security] mozilla-firefox (SSA:2019-141-01)
- 20190523 [SECURITY] [DSA 4448-1] firefox-esr security update
- [debian-lts-announce] 20190523 [SECURITY] [DLA 1800-1] firefox-esr security update
- 20190527 [SECURITY] [DSA 4451-1] thunderbird security update
- [debian-lts-announce] 20190527 [SECURITY] [DLA 1806-1] thunderbird security update
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2019-9797 · CVE Program
- CVE-2019-9797 · NVD
- FIRST EPSS
- GHSA-9wjj-25rq-652w · GitHub Advisory Database · CC BY 4.0
- CVE-2019-9797 · Red Hat security data · CC BY 4.0
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