5.3

CVE-2023-34410: debian debian_linux Improper Certificate Validation

CVSS: 5.3v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2023-34410DEBIAN-CVE-2023-34410openSUSE-SU-2024:12980-1
Published 05-06-2023Last modified 08-01-2025

Vulnerability summary

CVE-2023-34410 is a medium (CVSS 5.3) Improper Certificate Validation vulnerability in debian debian_linux. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.6% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.74%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 10

Timeline

  1. 05-06-2023
    PublishedVulnerability first disclosed.
  2. 08-01-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.74%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.74% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.74%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian4 products
  • qt6-baseAll versions (No fix recorded) | < 6.4.2+dfsg-11
  • qtbase-opensource-src< 5.15.8+dfsg-11+deb12u1 | < 5.15.8+dfsg-12
  • qtbase-opensource-src-glesAll versions (No fix recorded) | < 5.15.10+dfsg-2
  • debian_linuxEOL10.0
Ubuntu4 products
  • qt4-x11All versions (No fix recorded)
  • qt6-baseAll versions (No fix recorded)
  • qtbase-opensource-src< 5.5.1+dfsg-16ubuntu7.7+esm1 | < 5.9.5+dfsg-0ubuntu2.6+esm1 | < 5.12.8+dfsg-0ubuntu2.1+esm1 | < 5.15.3+dfsg-2ubuntu0.2+esm1
  • qtbase-opensource-src-glesAll versions (No fix recorded)
Fedoraproject1 product
Opensuse1 product
  • qt6-base&distro=openSUSE Tumbleweed< 6.5.1-2.1
Qt1 product
  • qt≥ 5.13.0, < 5.15.15 | ≥ 6.0.0, < 6.2.9 | ≥ 6.3.0, < 6.5.2

5 vendors · 11 products

References

10 links