Vulnerability in Gnu Patch

CVE-2019-13636

In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.

EPSS: 0.039 (89.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-13636?
CVE-2019-13636 is a medium-severity vulnerability in Gnu Patch, classified under Improper Link Resolution Before File Access. CVSS score: 5.9/10. Published 2019-07-17.
How severe is CVE-2019-13636?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2019-13636 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.