What is CVE-2018-14329?

CVE-2018-14329 is a medium-severity vulnerability in Htslib, classified under Improper Link Resolution Before File Access. CVSS score: 4.7/10. Published 2018-07-17.

How severe is CVE-2018-14329?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Htslib

CVE-2018-14329

In HTSlib 1.8, a race condition in cram/cram_io.c might allow local users to overwrite arbitrary files via a symlink attack.

Published 2018-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Htslib — versions 1.8

Weakness classification (CWE)

References

github.com/samtools/htslib/issues/736 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-14329?: CVE-2018-14329 is a medium-severity vulnerability in Htslib, classified under Improper Link Resolution Before File Access. CVSS score: 4.7/10. Published 2018-07-17.
How severe is CVE-2018-14329?: Medium severity. CVSS v3 base score is 4.7 out of 10.