Uninitialized resource in ANGLE in Chrome leaks cross-origin data
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 2 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
Google Chrome before 156.0.8078.47 is affected. An uninitialized resource in ANGLE (CWE-908) exists in the browser. A remote attacker can potentially obtain cross-origin data by luring a user to a crafted HTML page.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
Description from the CNA
Uninitialized resource in ANGLE in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update Google Chrome to 156.0.8078.47 or later. Red Hat fixes the issue in webkit2gtk3 through RHSA-2026:91636 for Red Hat Enterprise Linux AppStream (v8) and RHSA-2026:91580 for Red Hat Enterprise Linux AppStream (v9). Red Hat Enterprise Linux 6 has no fix planned, and the sources list no fixed version for Red Hat Enterprise Linux 7.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
- Fix · CNA Chrome (Google) Fixed in 156.0.8078.47
Red Hat 2 advisories
- RHSA-2026:91580 Released 2026-10-29 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.54.2-0.el9_8.1, webkit2gtk3-devel-2.54.2-0.el9_8.1, webkit2gtk3-jsc-2.54.2-0.el9_8.1 +1
- RHSA-2026:91636 Released 2026-10-28 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.54.2-1.el8_10, webkit2gtk3-devel-2.54.2-1.el8_10, webkit2gtk3-jsc-2.54.2-1.el8_10 +1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Google Chrome 156.0.8078.47
353 records Highest priority Priority HIGH 10 HIGH, 292 MEDIUM, 51 LOW
Other records, highest priority first
- TI-2026-78505 Observable discrepancy in Google Chrome Controls leaks sensitive dataPriority HIGH 73
- TI-2026-78321 Input validation flaw in Google Chrome WebShare allows sandbox escapePriority HIGH 73
- TI-2026-78320 Chrome PerformanceAPIs flaw lets web pages read cross-origin dataPriority HIGH 73
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2026:91636 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:91580 |
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-21 Threatist record created from CVE-2026-113143
- 2026-10-21 Alias added: GHSA-qmwm-8h6v-vg78
- 2026-10-22 Affected versions changed · Red Hat
- 2026-10-22 CVSS score added · Red Hat
- 2026-10-23 Affected versions changed · Red Hat
- 2026-10-23 CVSS score added · NVD
- 2026-10-29 CVSS score added · CISA ADP
- 2026-10-29 CISA SSVC decision points changed
- 2026-11-03 Fix available: RHSA-2026:91580 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:91636 · Red Hat
- 2026-11-03 Fix available: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux AppStream (v. 9) · Red Hat
- 2026-11-03 Title updated · CNA
- 2026-11-03 Weakness changed · CNA
References
More Google Chrome vulnerabilities
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
Sources
- CVE-2026-113143 · CVE Program
- CVE-2026-113143 · NVD
- FIRST EPSS
- GHSA-qmwm-8h6v-vg78 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-113143 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences