How severe is CVE-2011-3194?

CVE-2011-3194 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-3194 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3194?

CVE-2011-3194 affects Qt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-3194?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-3194 published?

CVE-2011-3194 was published on 2012-06-16 and last updated on 2026-06-16.

CVE-2011-3194

CVE-2011-3194 is a critical-severity vulnerability in Qt with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Qt
Published: 2012-06-16
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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) and possibly execute arbitrary code via the TIFFTAG_SAMPLESPERPIXEL tag in a greyscale TIFF image with multiple samples per pixel.
How severe is CVE-2011-3194?: CVE-2011-3194 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-3194 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3194?: CVE-2011-3194 affects Qt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-3194?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-3194 published?: CVE-2011-3194 was published on 2012-06-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:qt:qt:4.7.4:*:*:*:*:*:*:*

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