What’s Vulnerable › Vulnerabilities

CVE-2019-13636

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-17 · updated 2026-06-17
• Weakness: CWE-59

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.

Affected products

• GNU patch: through 2.7.6

References

• http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html
• https://git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a
• https://github.com/irsl/gnu-patch-vulnerabilities
• https://lists.debian.org/debian-lts-announce/2019/07/msg00016.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVWWGISFWACROJJPVJJL4UBLVZ7LPOLT/
• https://seclists.org/bugtraq/2019/Aug/29
• https://seclists.org/bugtraq/2019/Jul/54
• https://security.gentoo.org/glsa/201908-22
• https://security.netapp.com/advisory/ntap-20190828-0001/
• https://usn.ubuntu.com/4071-1/
• https://usn.ubuntu.com/4071-2/
• https://www.debian.org/security/2019/dsa-4489

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