Read the docs
TI-2026-84978 Aliases CVE-2026-110944GHSA-9w3c-qrp7-jvc2

Resource exhaustion in HTTP request handling of Qt HTTP Server

Priority LOW 13CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Partial Red Hat: 1 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-770.

Summary

Qt Framework versions from 6.4.0 before 6.11.3 and from 6.12.0 before 6.12.1 are affected. The QHttpServer component allocates resources without limits or throttling during HTTP request handling (CWE-770). A remote unauthenticated attacker can exhaust resources and reduce the availability of the server.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Resource exhaustion vulnerability in the HTTP request handling of the QHttpServer component of Qt HTTP Server.

Why it matters now

EPSS 0.00291 21st percentileScored 2026-11-07
Fix Partial Qt Framework (qt): 6.11.3, 6.12.1Red Hat: 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
qtQt Framework6.4.0 to before 6.11.3; 6.12.0 to before 6.12.16.11.3, 6.12.1Patch availableCNA
  • Qt Framework Vendorqt Affected 6.4.0 to before 6.11.3; 6.12.0 to before 6.12.1 Fixed in 6.11.3, 6.12.1 Patch available CNA

CPE names CNA · 2

CPEVersionsRoleVendor
cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*——qt
cpe:2.3:a:qt:qthttpserver:*:*:*:*:*:*:*:*——qt
  • cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:* Versions — — ·qt
  • cpe:2.3:a:qt:qthttpserver:*:*:*:*:*:*:*:* Versions — — ·qt

Remediation

Update Qt Framework to version 6.11.3 or 6.12.1. Red Hat Enterprise Linux 10 is affected, and Red Hat's plan for it is none available.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

  • Fix · CNA Qt Framework (qt) Fixed in 6.11.3, 6.12.1

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet
Not affected: 1 product
  • Red Hat Hardened Images

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-110944
  2. 2026-11-04 Alias added: GHSA-9w3c-qrp7-jvc2
  3. 2026-11-05 Affected versions changed · Red Hat
  4. 2026-11-05 CVSS score added · Red Hat

References

Patch 2

Advisory 1

  • 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
See all 106 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences