Bash
CVE-2016-9401
MEDIUM
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionCVE.org
popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.
AnalysisAI
popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address. Affected products include: Gnu Bash, Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.
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Same weakness CWE-416 – Use After Free
View allSame technique Memory Corruption
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External POC / Exploit Code
Leaving vuln.today