Multiple CVEs Identified in GIFLIB Affecting Remote Systems
First seen 18 Feb 2026, 15:24 UTC
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Two vulnerabilities have been reported in GIFLIB, affecting versions 5.1.4 and 5.2.1. CVE-2021-40633 involves a memory leak in gif2rgb that can lead to denial of service, while CVE-2022-28506 is a heap-buffer-overflow in the same function that could potentially allow for exploitation. Both vulnerabilities could impact systems processing GIF files.
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Timeline
2022-04-25
CVE-2022-28506 published
2022-06-14
CVE-2021-40633 published
2026-02-18
Information published about both CVEs
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