| Name | CVE-2021-39537 |
| Description | An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow. |
| 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-3682-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ncurses (PTS) | jessie, jessie (lts) | 5.9+20140913-1+deb8u6 | vulnerable |
| stretch (lts), stretch | 6.0+20161126-1+deb9u5 | vulnerable |
| buster | 6.1+20181013-2+deb10u2 | vulnerable |
| buster (security) | 6.1+20181013-2+deb10u5 | fixed |
| bullseye | 6.2+20201114-2+deb11u2 | fixed |
| bookworm | 6.4-4 | fixed |
| trixie | 6.4+20240113-1 | fixed |
| sid | 6.4+20240414-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ncurses | source | buster | 6.1+20181013-2+deb10u5 | | DLA-3682-1 | |
| ncurses | source | (unstable) | 6.2+20200912-1 | unimportant | | |
Notes
https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html
Fixed by: https://github.com/mirror/ncurses/commit/790a85dbd4a81d5f5d8dd02a44d84f01512ef443#diff-7e95c7bc5f213e9be438e69a9d5d0f261a14952bcbd692f7b9014217b8047340
Negligible security impact