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Vulnerabilities

Vulnerability · CVE-2026-105924

A NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.

Published Oct 30, 2026 · catalog updated Nov 2, 2026 · Red Hat Red Hat Enterprise Linux

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-105924. EPSS is 0.16%. Act only if a listed version of Red Hat Red Hat Enterprise Linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Advisory link
Affected products
Debian:12 qt6-base · Debian:12 qtbase-opensource-src · Debian:13 qt6-base · Debian:13 qtbase-opensource-src · Debian:14 qt6-base · Debian:14 qtbase-opensource-src

A NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 qt6-base6.10.2+dfsg-1, 6.10.2+dfsg-10, 6.10.2+dfsg-10+hurd.1
  • Debian:12 qtbase-opensource-src5.15.10+dfsg-1, 5.15.10+dfsg-2, 5.15.10+dfsg-3
  • Debian:13 qt6-base6.10.2+dfsg-1, 6.10.2+dfsg-10, 6.10.2+dfsg-10+hurd.1
  • Debian:13 qtbase-opensource-src5.15.15+dfsg-6, 5.15.15+dfsg-6+deb13u1, 5.15.16+dfsg-1
  • Debian:14 qt6-base6.10.2+dfsg-1, 6.10.2+dfsg-10, 6.10.2+dfsg-10+hurd.1
  • Debian:14 qtbase-opensource-src5.15.15+dfsg-6, 5.15.16+dfsg-1, 5.15.16+dfsg-2

How to fix CVE-2026-105924

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-105924. EPSS is 0.16%. Act only if a listed version of Red Hat Red Hat Enterprise Linux is installed.

Which versions are affected?

Compare what you have installed with 6.10.2+dfsg-1, 6.10.2+dfsg-10, 6.10.2+dfsg-10+hurd.1, 5.15.10+dfsg-1, 5.15.10+dfsg-2, 5.15.10+dfsg-3, 5.15.15+dfsg-6, 5.15.15+dfsg-6+deb13u1, 5.15.16+dfsg-1, 5.15.15+dfsg-6, 5.15.16+dfsg-1, 5.15.16+dfsg-2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-476: NULL Pointer Dereference. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 30, 2026 · Red Hat Security Data

    Detected

    qt: qt: Denial of Service via NULL pointer dereference during QCborValue to JSON conversion

  2. Nov 2, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    A NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.

Sources

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • OpenSSF OSV / OSV ScannerNov 2, 2026
  • Red Hat Security DataNov 1, 2026
  • CVE.orgOct 31, 2026