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No exploitation reportedFix available

CVE-2023-34410

No exploitation reported by the sources we read.

  • Published2023-06-05
  • Fixed in6.5.2 · 6.2.9 · 5.15.15
  • WeaknessCWE-295

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2. Certificate validation for TLS does not always consider whether the root of a chain is a configured CA certificate.

Timeline

dates in UTC
  1. 2023-06-0503:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-34410?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-34410?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Qt
BranchAffectedFixed in
6.x≥ 6.3.0, < 6.5.26.5.2
6.x≥ 6.0.0, < 6.2.96.2.9
5.x≥ 5.13.0, < 5.15.155.15.15
Debian debian linux
BranchAffectedFixed in
10.0= 10.0no fix published
Fedoraproject fedora
BranchAffectedFixed in
38.x= 38no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • qt5AlmaLinux:9all versions · fixed in 5.15.9-1.el9and 3 other packages
  • qt5-qtbaseAlmaLinux:9all versions · fixed in 5.15.9-7.el9and 9 other packages
  • qt5-qtbaseAlmaLinux:8all versions · fixed in 5.15.3-5.el8and 9 other packages

Full record on NVD

Fix

  1. Update Qt to 6.5.2 · 6.2.9 · 5.15.15

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-01-08
  • OpenCVESSVC decisionnone—
  • CISA-ADPCVSS 3.15.32025-01-08
  • NVDCVSS 3.15.3read 2026-10-23
  • CISA-ADPweakness (CWE)CWE-2952025-01-08
  • NVDweakness (CWE)CWE-295read 2026-10-23
  • FIRST EPSSEPSS score0.7 %2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Published
2023-06-05
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2023-34410?

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2. Certificate validation for TLS does not always consider whether the root of a chain is a configured CA certificate.

Is CVE-2023-34410 actively exploited?

Active exploitation of CVE-2023-34410 has not been confirmed. Its EPSS score was 0.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-34410?

CVE-2023-34410 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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