Description
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ncurses | 6.2+20200912-1 | — |
| Debian 13 | ncurses | 6.2+20200912-1 | — |
| Debian 12 | ncurses | 6.2+20200912-1 | — |
| Debian 10 | ncurses | 6.1+20181013-2+deb10u5 | DLA-3682-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | ncurses | 6.3-2ubuntu0.1 | USN-6099-1 |
| Ubuntu 20.04 LTS | ncurses | 6.2-0ubuntu2.1 | USN-6099-1 |
| Ubuntu 18.04 LTS | ncurses | 6.1-1ubuntu1.18.04.1 | USN-6099-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | ncurses | 6.0+20160213-1ubuntu1+esm2 | USN-6099-1, USN-5477-1 |
| Ubuntu Pro 14.04 LTS | ncurses | 5.9+20140118-1ubuntu1+esm2 | USN-6099-1, USN-5477-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | ncurses | 6.1-5.9.1 | SUSE-SU-2021:3490-1 |
| SLES 15 SP2 | ncurses | 6.1-5.9.1 | SUSE-SU-2021:3490-1 |
| SLES 12 SP5 | ncurses | 5.9-75.1 | SUSE-SU-2021:3491-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | ncurses | 5.9-75.1 | SUSE-SU-2021:3491-1 |
| SLE Micro 5.1 | ncurses | 6.1-5.9.1 | SUSE-SU-2021:3490-1 |
| SLE Micro 5.0 | ncurses | 6.1-5.9.1 | SUSE-SU-2021:3490-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | ncurses | 6.1-5.9.1 | openSUSE-SU-2021:3490-1 |
| openSUSE Leap 15.2 | ncurses | 6.1-lp152.8.3.1 | openSUSE-SU-2021:1417-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.23 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.22 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.21 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.20 | ncurses | 6.2_p20200530-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.18 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.17 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.16 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.15 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.14 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.13 | ncurses | 6.2_p20200530-r0 | — |
| Alpine v3.12 | ncurses | 6.2_p20200523-r1 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | ncurses +7 | 6.2-4.20200222.amzn2023.0.3 | ALAS2023-2023-023 |
| Amazon Linux 2 | ncurses +7 | 6.0-8.20170212.amzn2.1.4 | ALAS2-2022-1893 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | ncurses | 6.2-6 | — |
Advisories 11
- WID-SEC-2022-1846 Apple macOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 11, 2026
- USN-6099-1 ncurses vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- USN-5477-1 ncurses vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-3682-1 ncurses - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2021:3491-1 Security update for ncurses SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3490-1 Security update for ncurses SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3490-1 Security update for ncurses SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1417-1 Security update for ncurses SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1098 NetApp ActiveIQ Unified Manager: Schwachstelle ermöglicht Manipulation von Dateien, Offenlegung von Informationen und DoS BSI CERT-Bund (WID) · Apr 27, 2023
- ALAS2023-2023-023 Moderate: ncurses security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023
- ALAS2-2022-1893 Moderate: ncurses security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 6, 2022
References
- https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html
- https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.html
- http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markup
- https://support.apple.com/kb/HT213443
- https://support.apple.com/kb/HT213444
- https://support.apple.com/kb/HT213488
- 20221030 APPLE-SA-2022-10-27-5 Additional information for APPLE-SA-2022-10-24-2 macOS Ventura 13 mailing-list
- 20221030 APPLE-SA-2022-10-24-2 macOS Ventura 13 mailing-list
- 20221030 APPLE-SA-2022-10-27-7 Additional information for APPLE-SA-2022-09-12-4 macOS Monterey 12.6 mailing-list
- 20221030 APPLE-SA-2022-10-27-9 Additional information for APPLE-SA-2022-09-12-3 macOS Big Sur 11.7 mailing-list
- https://security.netapp.com/advisory/ntap-20230427-0012/
- [debian-lts-announce] 20231203 [SECURITY] [DLA 3682-1] ncurses security update mailing-list