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CVE-2023-32762

Date: May 27, 2023

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.

Language: C++

Severity Score

Related Resources (8)

https://www.qt.io/blog/security-advisory-qt-network
https://security-tracker.debian.org/tracker/CVE-2023-32762
https://github.com/qt/qtbase/commit/1b736a815be0222f4b24289cf17575fc15707305
https://nvd.nist.gov/vuln/detail/CVE-2023-32762
https://codereview.qt-project.org/c/qt/qtbase/+/476140
https://lists.debian.org/debian-lts-announce/2024/04/msg00027.html
https://lists.qt-project.org/pipermail/announce/2023-May/000414.html
https://www.mend.io/vulnerability-database/CVE-2023-32762

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

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