Original description
popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.
Affected software
- Bash = 4.4< 4.4 Fixed in: 4.4 exact match
Details
- Published
- 2017-01-23
- Last modified
- 2026-06-17
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H- CWE
- CWE-416
References
- cve.org/CVE-2016-9401
- nvd.nist.gov/vuln/detail/CVE-2016-9401
- rhn.redhat.com/errata/RHSA-2017-0725.html
- www.openwall.com/lists/oss-security/2016/11/17/5
- www.openwall.com/lists/oss-security/2016/11/17/9
- www.securityfocus.com/bid/94398
- access.redhat.com/errata/RHSA-2017:1931
- lists.debian.org/debian-lts-announce/2019/03/msg00028.html
- security.gentoo.org/glsa/201701-02
Track these versions on your own servers
InfraGuard collects installed software versions from every server and flags the ones with known vulnerabilities. Self-hosted — nothing leaves your network.
This product uses data from the NVD API but is not endorsed or certified by the NVD. CVE® is a registered trademark of The MITRE Corporation; CVE records are used under the CVE Program Terms of Use.