Patch
CVE-2019-13636
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Symlink resolution safety
|
| Impact | CVSS score of 5.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-59. 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 include: Gnu Patch. Version information: through 2.7.6.
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Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service
GNU patch 2.7.1 allows remote attackers to write to arbitrary files via a symlink attack in a patch file. Rated medium s
Directory traversal vulnerability in GNU patch versions which support Git-style patching before 2.7.3 allows remote atta
GNU patch through 2.7.6 is vulnerable to OS shell command injection that can be exploited by opening a crafted patch fil
GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_
A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6. Rated high severity (CVSS 7.5), t
An issue was discovered in GNU patch through 2.7.6. Rated high severity (CVSS 7.5), this vulnerability is remotely explo
Tanium addressed an incorrect default permissions vulnerability in Patch. [CVSS 6.5 MEDIUM]
An authenticated SQL injection (CWE-89) in the Tanium Patch module lets a low-privilege user with valid console credenti
SQL injection in Tanium Patch allows authenticated low-privilege attackers to read, modify, or delete data from the back
GNU patch 2.7.2 and earlier allows remote attackers to cause a denial of service (memory consumption and segmentation fa
GNU patch enters an infinite CPU-consuming loop when processing a specially crafted unified-diff file containing an exce
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EPSS
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