High severity7.8OSV Advisory· Published Feb 2, 2018· Updated Jun 17, 2026
CVE-2017-18120
CVE-2017-18120
Description
A double-free bug in the read_gif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because last_name is mishandled, a different vulnerability than CVE-2017-1000421.
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Affected products
2Patches
Vulnerability mechanics
References
4- github.com/kohler/gifsicle/commit/118a46090c50829dc543179019e6140e1235f909nvdPatchThird Party Advisory
- bugs.debian.org/cgi-bin/bugreport.cginvdMailing ListThird Party Advisory
- bugs.debian.org/cgi-bin/bugreport.cginvdMailing ListThird Party Advisory
- github.com/kohler/gifsicle/issues/117nvdThird Party Advisory
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