In Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2, there can…
Priority HIGH 72Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
In Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2, there can be an application crash in QXmlStreamReader via a crafted XML string that triggers a situation in which a prefix is greater than a length.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0158 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 2 advisories
- RHSA-2023:6967 Released 2023-11-14 · Red Hat rating Moderateqt5-qtbase security update
- Red Hat CodeReady Linux Builder (v. 8) qt5-qtbase-static-5.15.3-5.el8
- Red Hat Enterprise Linux AppStream (v. 8) qt5-qtbase-5.15.3-5.el8, qt5-qtbase-common-5.15.3-5.el8, qt5-qtbase-devel-5.15.3-5.el8 +6
- RHSA-2023:6369 Released 2023-11-07 · Red Hat rating Moderateqt5 security and bug fix update
- Red Hat CodeReady Linux Builder (v. 9) qt5-devel-5.15.9-1.el9, qt5-qtbase-static-5.15.9-7.el9
- Red Hat Enterprise Linux AppStream (v. 9) qt5-5.15.9-1.el9, qt5-qtbase-5.15.9-7.el9, qt5-qtbase-common-5.15.9-7.el9 +9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2023:6967 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2023:6369 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2023:6967 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2023:6369 |
Not affected: 2 products
- Red Hat CodeReady Linux Builder (v. 9)
- Red Hat Enterprise Linux AppStream (v. 9)
Timeline
- 2026-10-02 Threatist record created from CVE-2023-37369
- 2026-10-03 Alias added: GHSA-h6px-w542-49xj
References
Advisory 3
Sources
- CVE-2023-37369 · CVE Program
- CVE-2023-37369 · NVD
- FIRST EPSS
- GHSA-h6px-w542-49xj · GitHub Advisory Database · CC BY 4.0
- CVE-2023-37369 · 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