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Fencer Intel
medium 4.3

CVE-2010-5076 json

QSslSocket in Qt before 4.7.0-rc1 recognizes a wildcard IP address in the subject's Common Name field of an X.509 certificate, which might…

published 14y ago modified 4mo ago also EUVD-2010-5040

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

QSslSocket in Qt before 4.7.0-rc1 recognizes a wildcard IP address in the subject's Common Name field of an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

Patch / fix

  • qt RHEL 6 1:4.6.2-24.el6
  • qt-x11 RHEL 6 1:4.6.2-24.el6
  • qt-odbc RHEL 6 1:4.6.2-24.el6
  • qt-demos RHEL 6 1:4.6.2-24.el6
  • qt-mysql RHEL 6 1:4.6.2-24.el6
  • qt-sqlite RHEL 6 1:4.6.2-24.el6
  • qt-examples RHEL 6 1:4.6.2-24.el6
  • qt-postgresql RHEL 6 1:4.6.2-24.el6

red hat advisories RHSA-2012:0880

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-5076 updated cvss 2.6

Qt: QSslSocket incorrect handling of IP wildcards in certificate Common Name

  • Red Hat Enterprise Linux Desktop (v. 6) qt 4.6.2-24.el6, qt-x11 4.6.2-24.el6, qt-odbc 4.6.2-24.el6, qt-demos 4.6.2-24.el6, qt-mysql 4.6.2-24.el6, qt-sqlite 4.6.2-24.el6, +3 more Red Hat Enterprise Linux Desktop Optional (v. 6) qt 4.6.2-24.el6, qt-x11 4.6.2-24.el6, qt-odbc 4.6.2-24.el6, qt-demos 4.6.2-24.el6, qt-mysql 4.6.2-24.el6, qt-sqlite 4.6.2-24.el6, +3 more Red Hat Enterprise Linux HPC Node (v. 6) qt 4.6.2-24.el6, qt-x11 4.6.2-24.el6, qt-odbc 4.6.2-24.el6, qt-demos 4.6.2-24.el6, qt-mysql 4.6.2-24.el6, qt-sqlite 4.6.2-24.el6, +3 more Red Hat Enterprise Linux HPC Node Optional (v. 6) qt 4.6.2-24.el6, qt-x11 4.6.2-24.el6, qt-odbc 4.6.2-24.el6, qt-demos 4.6.2-24.el6, qt-mysql 4.6.2-24.el6, qt-sqlite 4.6.2-24.el6, +3 more Red Hat Enterprise Linux Server (v. 6) qt 4.6.2-24.el6, qt-x11 4.6.2-24.el6, qt-odbc 4.6.2-24.el6, qt-demos 4.6.2-24.el6, qt-mysql 4.6.2-24.el6, qt-sqlite 4.6.2-24.el6, +3 more Red Hat Enterprise Linux Server Optional (v. 6) qt 4.6.2-24.el6, qt-x11 4.6.2-24.el6, qt-odbc 4.6.2-24.el6, qt-demos 4.6.2-24.el6, qt-mysql 4.6.2-24.el6, qt-sqlite 4.6.2-24.el6, +3 more
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) qt 4.6.2-24.el6, qt-x11 4.6.2-24.el6, qt-odbc 4.6.2-24.el6, qt-demos 4.6.2-24.el6, qt-mysql 4.6.2-24.el6, qt-sqlite 4.6.2-24.el6, +3 more Red Hat Enterprise Linux Workstation Optional (v. 6) qt 4.6.2-24.el6, qt-x11 4.6.2-24.el6, qt-odbc 4.6.2-24.el6, qt-demos 4.6.2-24.el6, qt-mysql 4.6.2-24.el6, qt-sqlite 4.6.2-24.el6, +3 more
    fixed: vendor fix RHSA-2012:0880

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • qt.gitorious.org http://qt.gitorious.org/qt/qt/commit/5f6018564668d368f75e431c4cdac88d7421cff0 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.