CVE-2017-14121

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-09-03 · updated 2026-06-17
Weakness: CWE-476

Description

The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a crafted RAR archive. NOTE: this may be the same as one of the several test cases in the CVE-2017-11189 references.

Affected products

Debian Linux: 9.0
RARLAB UnRAR: 0.0.1

References

http://www.openwall.com/lists/oss-security/2017/08/20/1
https://bugs.debian.org/874061
https://lists.debian.org/debian-lts-announce/2021/02/msg00026.html
http://www.openwall.com/lists/oss-security/2017/08/20/1
https://bugs.debian.org/874061
https://lists.debian.org/debian-lts-announce/2021/02/msg00026.html

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