# CVE-2026-82292: NULL pointer dereference vulnerability in QDomDocument::setContent() XML parsing impacts Qt

Status: published. Published: 2026-11-12. Updated: 2026-11-12.

A NULL pointer dereference vulnerability in the Qt Framework QDomDocument::setContent() XML parsing path of the Qt XML module (qtbase).

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: Qt) — https://codereview.qt-project.org/c/qt/qtbase/+/757771

## Affected products and versions

- qt / qt: ≥ 4.1.0; < 6.8.9 (affected, python); ≥ 6.9.0; < 6.11.3 (affected, python). Source: CNA: Qt

## Severity and prioritization

- CVSS 4.0: 1.9 (low); CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L; source: CNA: Qt

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-476

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-82292: (CNA: Qt; vendor-advisory)

- https://codereview.qt-project.org/c/qt/qtbase/+/757771 (CNA: Qt; patch)

## Provenance

- CNA: Qt: https://www.cve.org/CVERecord?id=CVE-2026-82292; retrieved 2026-11-12; source updated 2026-11-12

Revision: 2b4be89767907c64cc747f4a21c4cfa90ca42ab419547c08b4cbd2f1745f9a78

Canonical: https://y2.dev/cve/CVE-2026-82292

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