CVE & CISA-KEV Catalog

CVE-2019-13636

MEDIUMEPSS 89th pctl
5.9
CVSS v3
NVD

Description

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.

CWE-59Link Following

How to fix

Remediation Available
patchDebian
Fixed in:2.7.6-5CVE-2019-13636
Fixed in:2.7.6-5CVE-2019-13636
Fixed in:2.7.6-5CVE-2019-13636
Fixed in:2.7.6-5CVE-2019-13636
patchUbuntu
Fixed in:2.7.1-4ubuntu2.4+esm1USN-4071-2
Fixed in:2.7.5-1ubuntu0.16.04.2USN-4071-1
Fixed in:2.7.6-2ubuntu1.1USN-4071-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

3.90%probability of exploitation in 30 days
89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-59 (Link Following) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2022-30333High7.599%KEV + RansomFix
CVE-2021-21300High8.089%-Fix
CVE-2021-32610High7.173%-Fix
CVE-2020-36193High7.571%KEVFix
CVE-2023-40028Medium4.958%-Fix
CVE-2023-36874High7.843%KEVFix

Common questions

How do I fix CVE-2019-13636?

Published advisories record a fix for 2 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2019-13636 being actively exploited?

Not that we know of. CVE-2019-13636 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 89% of all scored CVEs.

How severe is CVE-2019-13636?

CVE-2019-13636 has a CVSS v3 base score of 5.9, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2019-13636 affect?

Published advisories record a fix for patch (Debian), patch (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.