Vulnerability CVE-2017-1000421
Published: 2018-01-02

Description:
Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution

Type:

CWE-416

 (Use After Free)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Gifsicle project -> Gifsicle 
Debian -> Debian linux 

 References:
https://github.com/kohler/gifsicle/issues/114
https://lists.debian.org/debian-lts-announce/2018/01/msg00006.html
https://www.debian.org/security/2018/dsa-4084
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