https://seclists.org/oss-sec/2026/q2/55: libpng 1.6.57: Use-after-fe vulnerability fixed: CVE-2026-34757

Published Apr 8, 2026
·
Updated

Affected Software

1 affected component
libpng LIBPNG=1.6.56, >=1.0.9<1.6.57
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Frequently Asked Questions

1

What is the severity of CVE-2026-34757?

CVE-2026-34757 has been classified as a medium-severity vulnerability.

2

What does CVE-2026-34757 affect?

CVE-2026-34757 affects the libpng 1.6.57 version and involves a use-after-free vulnerability in the chunk setter API.

3

How do I fix CVE-2026-34757?

To fix CVE-2026-34757, users should upgrade to libpng version 1.6.57 or later.

4

What are the implications of CVE-2026-34757?

CVE-2026-34757 could potentially lead to application crashes or exploitation due to the use-after-free vulnerability.

5

When was CVE-2026-34757 published?

CVE-2026-34757 was published on April 8, 2026.

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