Medium 5.5Published Apr 25, 2022

CVE-2022-28506There is a heap-buffer-overflow in GIFLIB 5.2.1 function DumpScreen2RGB() in gif2rgb.c:298:45.

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects giflib_project giflib and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Start free and add your stackFree account, 3 products Every CVE for giflib_project giflib Exploited in the last 30 days

There is a heap-buffer-overflow in GIFLIB 5.2.1 function DumpScreen2RGB() in gif2rgb.c:298:45.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

giflib_project giflib giflib_project:giflib	5.2.1	NVD
fedoraproject fedora fedoraproject:fedora	35; 36	NVD

References

References

https://github.com/verf1sh/Poc/blob/master/asan_report_giflib.png	exploit, third-party-advisory
https://github.com/verf1sh/Poc/blob/master/giflib_poc	exploit, third-party-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4CJSHXBD2RS5OJNWSHQZVMTQCCTIPYS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KEAFUZXOOJJVFYRQM6IIJ7LMLEKCCESG/
https://sourceforge.net/p/giflib/bugs/159/	exploit, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.