| Name | CVE-2016-9401 |
| Description | popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1726-1, ELA-96-1 |
| Debian Bugs | 844727 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bash (PTS) | jessie, jessie (lts) | 4.3-11+deb8u2 | fixed |
| stretch | 4.4-5 | fixed |
| buster | 5.0-4 | fixed |
| bullseye | 5.1-2+deb11u1 | fixed |
| bookworm | 5.2.15-2 | fixed |
| sid, trixie | 5.2.32-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[wheezy] - bash <no-dsa> (Minor issue)
Upstream bash considers this issue only to be a bug.
Proposed patch: https://lists.gnu.org/archive/html/bug-bash/2016-11/msg00116.html
Fixed by (4.4): https://ftp.gnu.org/pub/gnu/bash/bash-4.4-patches/bash44-006