Description
NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().
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 | 6.4+20230625-1 | — |
| Debian 13 | ncurses | 6.4+20230625-1 | — |
| Debian 12 | ncurses | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | ncurses | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | ncurses | No fix yet | — |
| Ubuntu Pro 18.04 LTS | ncurses | 6.1-1ubuntu1.18.04.1+esm2 | USN-6684-1 |
| Ubuntu Pro 16.04 LTS | ncurses | 6.0+20160213-1ubuntu1+esm5 | USN-6684-1 |
| Ubuntu Pro 14.04 LTS | ncurses | 5.9+20140118-1ubuntu1+esm5 | USN-6684-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
| SLES 15 SP4 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
| SLES 12 SP5 | ncurses | 5.9-85.1 | SUSE-SU-2023:4892-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | ncurses | 5.9-85.1 | SUSE-SU-2023:4892-1 |
| SLE Micro 5.5 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
| SLE Micro 5.4 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
| SLE Micro 5.3 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
| SLE Micro 5.2 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
| SLE Micro 5.1 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
| openSUSE Leap 15.4 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
| openSUSE Leap Micro 5.3 | ncurses | 6.1-150000.5.20.1 | SUSE-SU-2023:4891-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | ncurses +7 | 6.2-4.20200222.amzn2023.0.5 | ALAS2023-2024-466 |
| Amazon Linux 2 | ncurses +7 | 6.0-8.20170212.amzn2.1.7 | ALAS2-2024-2380 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | ncurses | 6.4-3 | — |
Advisories 9
- SSA-794697 SSA-794697: Vulnerabilities in the Additional GNU/Linux Subsystem of the SIMATIC S7-1500 TM MFP Before V1.1 Siemens ProductCERT · Oct 13, 2026
- USN-6684-1 ncurses vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- SUSE-SU-2023:4891-1 Security update for ncurses SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4892-1 Security update for ncurses SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-3377 Dell PowerProtect Data Domain: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 12, 2025
- ICSA-23-166-11 Siemens SIMATIC S7-1500 TM MFP Linux Kernel CISA ICS & IT advisories · Apr 9, 2024
- WID-SEC-2024-0165 NetApp ActiveIQ Unified Manager: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jan 21, 2024
- ALAS2-2024-2380 Moderate: ncurses security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 9, 2024
- ALAS2023-2024-466 Moderate: ncurses security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jan 8, 2024