CVE-2011-0408

CVE-2011-0408 is a medium-severity vulnerability in Libpng with a CVSS 2.0 base score of 6.8. 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

Description

pngrtran.c in libpng 1.5.x before 1.5.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted palette-based PNG image that triggers a buffer overflow, related to the png_do_expand_palette function, the png_do_rgb_to_gray function, and an integer underflow. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2011-0408?
pngrtran.c in libpng 1.5.x before 1.5.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted palette-based PNG image that triggers a buffer overflow, related to the png_do_expand_palette function, the png_do_rgb_to_gray function, and an integer underflow. NOTE: some of these details are obtained from third party information.
How severe is CVE-2011-0408?
CVE-2011-0408 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-0408 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0408?
CVE-2011-0408 affects Libpng. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-0408?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0408 published?
CVE-2011-0408 was published on 2011-01-18 and last updated on 2026-06-16.

References

Affected products (1)

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