An issue was discovered in Qt before 5.15.15, 6.x before 6.2.10, and 6.3.x through 6.5.x…
Priority MEDIUM 41CWE-835Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-835.
Summary
An issue was discovered in Qt before 5.15.15, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3. There are infinite loops in recursive entity expansion.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01284 70th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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-2023-38197
- 2026-10-03 Alias added: GHSA-98w5-63h7-29q8
References
More Qt vulnerabilities
- TI-2024-23902 QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2.13, 6.3.x… CVSS 3.1CRITICAL 9.8
- TI-2022-21359 Heap-based buffer overflow in Qt CVSS 3.1HIGH 8.8
- TI-2022-19524 Integer overflow in Qt CVSS 3.1HIGH 8.8
- TI-2023-18997 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… CVSS 3.1HIGH 7.5
- TI-2021-09305 Integer Overflow vulnerability in qsvghandler.cpp in Qt qtsvg versions 5.15.1, 6.0.0… CVSS 3.1MEDIUM 5.5
- TI-2023-28356 An issue was discovered in the HTTP2 implementation in Qt before 5.15.17, 6.x before… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-38197 · CVE Program
- CVE-2023-38197 · NVD
- FIRST EPSS
- GHSA-98w5-63h7-29q8 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-38197 · 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