How severe is CVE-2011-3464?

CVE-2011-3464 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-3464 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3464?

CVE-2011-3464 primarily affects Libpng. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3464?

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

When was CVE-2011-3464 published?

CVE-2011-3464 was published on 2012-07-22 and last updated on 2026-06-16.

CVE-2011-3464

CVE-2011-3464 is a high-severity vulnerability in Libpng with a CVSS 2.0 base score of 7.5. 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-189.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Libpng
Published: 2012-07-22
Last modified: 2026-06-16

Description

Off-by-one error in the png_formatted_warning function in pngerror.c in libpng 1.5.4 through 1.5.7 might allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via unspecified vectors, which trigger a stack-based buffer overflow.

Frequently asked questions

What is CVE-2011-3464?: Off-by-one error in the png_formatted_warning function in pngerror.c in libpng 1.5.4 through 1.5.7 might allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via unspecified vectors, which trigger a stack-based buffer overflow.
How severe is CVE-2011-3464?: CVE-2011-3464 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-3464 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3464?: CVE-2011-3464 primarily affects Libpng. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3464?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-3464 published?: CVE-2011-3464 was published on 2012-07-22 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:libpng:libpng:1.5.0:beta:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.1:beta:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.2:beta:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.3:beta:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.4:*:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.4:beta:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.5:*:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.5:beta:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.6:*:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.6:beta:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.7:*:*:*:*:*:*:*
cpe:2.3:a:libpng:libpng:1.5.7:beta:*:*:*:*:*:*

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