CVE-2023-32762

Description

An issue was discovered in Qt before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. Qt Network incorrectly parses the strict-transport-security (HSTS) header, allowing unencrypted connections to be established, even when explicitly prohibited by the server. This happens if the case used for this header does not exactly match.

5.3

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.12%

Third-Party Advisory debian.org

Affected: n/a n/a

References

Link	Tags
https://codereview.qt-project.org/c/qt/qtbase/+/476140	patch
https://github.com/qt/qtbase/commit/1b736a815be0222f4b24289cf17575fc15707305	patch
https://lists.qt-project.org/pipermail/announce/2023-May/000414.html	patch mailing list
https://lists.debian.org/debian-lts-announce/2024/04/msg00027.html	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-32762?: CVE-2023-32762 has been scored as a medium severity vulnerability.
How to fix CVE-2023-32762?: To fix CVE-2023-32762, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-32762 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-32762 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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