Use After Free in Qt

CVE-2024-30161

In Qt 6.5.4, 6.5.5, and 6.6.2, QNetworkReply header data might be accessed via a dangling pointer in Qt for WebAssembly (wasm). (Earlier and later versions are unaffected.)

Vulnerability class: Use-After-Free

EPSS: 0.005 (36.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

  • Qt — versions 6.5.4, 6.5.5, 6.6.2
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-30161?
CVE-2024-30161 is a medium-severity vulnerability in Qt, classified under Use After Free. CVSS score: 6.5/10. Published 2024-03-24.
How severe is CVE-2024-30161?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2024-30161 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.