CVE-2017-14121

5.5 mediumEPSS 1.1%

Medium (5.5). EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2017-09-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

debian:debian_linux
rarlab:unrar

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

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