| Name | CVE-2019-3902 |
| Description | A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository. |
| 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-1764-1, DLA-2293-1 |
| Debian Bugs | 927674 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mercurial (PTS) | jessie, jessie (lts) | 3.1.2-2+deb8u7 | fixed |
| stretch (security), stretch (lts), stretch | 4.0-1+deb9u2 | fixed |
| buster | 4.8.2-1+deb10u1 | fixed |
| bullseye | 5.6.1-4 | fixed |
| bookworm | 6.3.2-1 | fixed |
| trixie | 6.8.2-1 | fixed |
| sid | 6.9-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.9_.282019-02-01.29
https://www.mercurial-scm.org/repo/hg/rev/6c10eba6b9cd
https://www.mercurial-scm.org/repo/hg/rev/31286c9282df
https://www.mercurial-scm.org/repo/hg/rev/83377b4b4ae0