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Vulnerabilities

Vulnerability · CVE-2026-95620

QT: Schwachstelle ermöglicht Denial of Service

Published Oct 23, 2026 · catalog updated Oct 23, 2026 · QT: Schwachstelle ermöglicht Denial

Open the advisory

Exploitation likelihood is not on this record for CVE-2026-95620. A missing EPSS score is not a low risk. Compare QT: Schwachstelle ermöglicht Denial with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (QT: Schwachstelle ermöglicht Denial).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Low2.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Not in the current FIRST EPSS dataset
Remediation
Not established
Affected products
vendor qt qt

A use-after-free vulnerability in the Qt QNetworkAccessManager HTTP/2 client support of the Qt Network module allows a malicious or compromised HTTP/2 server to cause the client application to crash, affecting availability.

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.

  • vendor qt qtversion unspecified

How to fix CVE-2026-95620

What to do

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

Should you patch?

Exploitation likelihood is not on this record for CVE-2026-95620. A missing EPSS score is not a low risk. Compare QT: Schwachstelle ermöglicht Denial with the linked advisory before you change production.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-416: Use After Free. EPSS is absent from the current FIRST dataset. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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 23, 2026 · BSI CERT-Bund

    Detected

    QT: Schwachstelle ermöglicht Denial of Service

  2. Oct 23, 2026 · CVE.org

    Updated

    A use-after-free vulnerability in the Qt QNetworkAccessManager HTTP/2 client support of the Qt Network module allows a malicious or compromised HTTP/2 server to cause the client application to crash, affecting availability.

Sources

  • BSI CERT-BundGovernment advisoryCVE-2026-95620

    QT: Schwachstelle ermöglicht Denial of Service

    wid.cert-bund.de
  • CVE.orgVulnerability recordCVE-2026-95620

    A use-after-free vulnerability in the Qt QNetworkAccessManager HTTP/2 client support of the Qt Network module allows a malicious or compromised HTTP/2 server to cause the client application to crash, affecting availability.

    cve.org

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.