The QSslSocket::sslErrors function in Qt before 4.6.5, 4.7.x before 4.7.6, 4.8.x before…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The QSslSocket::sslErrors function in Qt before 4.6.5, 4.7.x before 4.7.6, 4.8.x before 4.8.5, when using certain versions of openSSL, uses an "incompatible structure layout" that can read memory from the wrong location, which causes Qt to report an incorrect error when certificate validation fails and might cause users to make unsafe security decisions to accept a certificate.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 25
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qt:qt:*:rc:*:*:*:*:*:* | up to 4.6.5 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.6.0:*:*:*:*:*:*:* | 4.6.0 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.6.0:rc1:*:*:*:*:*:* | 4.6.0 rc1 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.6.1:*:*:*:*:*:*:* | 4.6.1 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.6.2:*:*:*:*:*:*:* | 4.6.2 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.6.3:*:*:*:*:*:*:* | 4.6.3 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.6.4:*:*:*:*:*:*:* | 4.6.4 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.7.0:*:*:*:*:*:*:* | 4.7.0 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.7.1:*:*:*:*:*:*:* | 4.7.1 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.7.2:*:*:*:*:*:*:* | 4.7.2 | Vulnerable | qt |
- cpe:2.3:a:qt:qt:*:rc:*:*:*:*:*:* Versions up to 4.6.5 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.6.0:*:*:*:*:*:*:* Versions 4.6.0 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.6.0:rc1:*:*:*:*:*:* Versions 4.6.0 rc1 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.6.1:*:*:*:*:*:*:* Versions 4.6.1 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.6.2:*:*:*:*:*:*:* Versions 4.6.2 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.6.3:*:*:*:*:*:*:* Versions 4.6.3 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.6.4:*:*:*:*:*:*:* Versions 4.6.4 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.7.0:*:*:*:*:*:*:* Versions 4.7.0 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.7.1:*:*:*:*:*:*:* Versions 4.7.1 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.7.2:*:*:*:*:*:*:* Versions 4.7.2 Vulnerable ·qt
Show 15 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qt:qt:4.7.3:*:*:*:*:*:*:* | 4.7.3 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.7.4:*:*:*:*:*:*:* | 4.7.4 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.7.5:*:*:*:*:*:*:* | 4.7.5 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.7.6:rc:*:*:*:*:*:* | 4.7.6 rc | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.8.0:*:*:*:*:*:*:* | 4.8.0 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.8.1:*:*:*:*:*:*:* | 4.8.1 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.8.2:*:*:*:*:*:*:* | 4.8.2 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.8.3:*:*:*:*:*:*:* | 4.8.3 | Vulnerable | qt |
| cpe:2.3:a:qt:qt:4.8.4:*:*:*:*:*:*:* | 4.8.4 | Vulnerable | qt |
| cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* | 10.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* | 11.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* | 12.10 | Vulnerable | Canonical |
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* | 12.2 | Vulnerable | openSUSE |
- cpe:2.3:a:qt:qt:4.7.3:*:*:*:*:*:*:* Versions 4.7.3 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.7.4:*:*:*:*:*:*:* Versions 4.7.4 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.7.5:*:*:*:*:*:*:* Versions 4.7.5 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.7.6:rc:*:*:*:*:*:* Versions 4.7.6 rc Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.8.0:*:*:*:*:*:*:* Versions 4.8.0 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.8.1:*:*:*:*:*:*:* Versions 4.8.1 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.8.2:*:*:*:*:*:*:* Versions 4.8.2 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.8.3:*:*:*:*:*:*:* Versions 4.8.3 Vulnerable ·qt
- cpe:2.3:a:qt:qt:4.8.4:*:*:*:*:*:*:* Versions 4.8.4 Vulnerable ·qt
- cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* Versions 10.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* Versions 11.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2012-6093
- 2026-10-03 Alias added: GHSA-8vmr-c9ff-vrfh
References
Advisory 5
Other 6
- https://codereview.qt-project.org/#change%2C42461
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=697582
- http://qt.gitorious.org/qt/qt/commit/3b14dc93cf0ef06f1424d7d6319a1af4505faa53%20%284.7%29
- http://qt.gitorious.org/qt/qt/commit/691e78e5061d4cbc0de212d23b06c5dffddf2098%20%284.8%29
- [oss-security] 20130104 Re: CVE Request -- qt: QSslSocket might report inappropriate errors when certificate verification fails
- https://bugzilla.redhat.com/show_bug.cgi?id=891955
Sources
- CVE-2012-6093 · CVE Program
- CVE-2012-6093 · NVD
- FIRST EPSS
- GHSA-8vmr-c9ff-vrfh · GitHub Advisory Database · CC BY 4.0
- CVE-2012-6093 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences