CVE-2023-33285
CVE-2023-33285 is a medium-severity vulnerability in Qt with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Qt
- Published:
- Last modified:
Description
An issue was discovered in Qt 5.x before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. QDnsLookup has a buffer over-read via a crafted reply from a DNS server.
Frequently asked questions
- What is CVE-2023-33285?
- An issue was discovered in Qt 5.x before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. QDnsLookup has a buffer over-read via a crafted reply from a DNS server.
- How severe is CVE-2023-33285?
- CVE-2023-33285 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2023-33285 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-33285?
- CVE-2023-33285 affects Qt. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-33285?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-33285 published?
- CVE-2023-33285 was published on 2023-05-22 and last updated on 2026-06-17.
References
- https://codereview.qt-project.org/c/qt/qtbase/+/477644
- https://lists.debian.org/debian-lts-announce/2024/04/msg00027.html
Affected products (1)
- cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
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