VulnerabilityAnalyzed
CVE-2023-32762
Qt Network incorrectly parses the strict-transport-security (HSTS) header, allowing unencrypted connections to be established, even when explicitly prohibited by the server.
MEDIUM 5.3EPSS 0.88%
Does this matter?
Lower severity and a low EPSS score (0.88%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- EPSS
- 0.88% probability · 57th percentile
- CISA KEV
- Not listed
- Affected
- debian/debian linux · qt/qt
- Source
- cve@mitre.org
References
- https://codereview.qt-project.org/c/qt/qtbase/+/476140Patch
- https://github.com/qt/qtbase/commit/1b736a815be0222f4b24289cf17575fc15707305Patch
- https://lists.debian.org/debian-lts-announce/2024/04/msg00027.htmlThird Party Advisory
- https://lists.qt-project.org/pipermail/announce/2023-May/000414.htmlMailing List, Patch
- https://codereview.qt-project.org/c/qt/qtbase/+/476140Patch
- https://github.com/qt/qtbase/commit/1b736a815be0222f4b24289cf17575fc15707305Patch
- https://lists.debian.org/debian-lts-announce/2024/04/msg00027.htmlThird Party Advisory
- https://lists.qt-project.org/pipermail/announce/2023-May/000414.htmlMailing List, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.