Description
Hunspell 1.7.0 has an invalid read operation in SuggestMgr::leftcommonsubstring in suggestmgr.cxx.
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 | hunspell | 1.7.0-3 | — |
| Debian 13 | hunspell | 1.7.0-3 | — |
| Debian 12 | hunspell | 1.7.0-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | calibre +4 | No fix yet | — |
| Ubuntu 26.04 LTS | calibre +2 | No fix yet | — |
| Ubuntu 25.10 | calibre +3 | No fix yet | — |
| Ubuntu 24.04 LTS | calibre +1 | No fix yet | — |
| Ubuntu 22.04 LTS | calibre +1 | No fix yet | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | calibre +3 | No fix yet | — |
| Ubuntu 18.04 LTS | calibre +4 | No fix yet | — |
| Ubuntu 16.04 LTS | calibre +5 | No fix yet | — |
| Ubuntu 14.04 LTS | hunspell | No fix yet | — |
| Ubuntu Pro 26.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 24.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 22.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | texmaker +1 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | hunspell +1 | 1.3.2-16.el7 | RHSA-2020:3971 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | hunspell | 1.6.2-3.3.7 | SUSE-SU-2020:2966-1 |
| SLES 15 SP1 | hunspell | 1.6.2-3.3.7 | SUSE-SU-2020:2966-1 |
| SLES 12 SP5 | hunspell | 1.3.2-19.3.1 | SUSE-SU-2020:2967-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | hunspell | 1.3.2-19.3.1 | SUSE-SU-2020:2967-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | hunspell | 1.7.0-2.6 | openSUSE-SU-2024:10851-1 |
| openSUSE Leap 15.2 | hunspell | 1.6.2-lp152.4.3.1 | openSUSE-SU-2020:1719-1 |
| openSUSE Leap 15.1 | hunspell | 1.6.2-lp151.3.3.1 | openSUSE-SU-2020:1717-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | hunspell | 1.7.0-r1 | — |
| Alpine v3.24 | qt6-qtwebengine | 6.8.3-r1 | — |
| Alpine v3.23 | hunspell | 1.7.0-r1 | — |
| Alpine v3.23 | qt6-qtwebengine | 6.8.3-r1 | — |
| Alpine v3.22 | hunspell | 1.7.0-r1 | — |
| Alpine v3.22 | qt6-qtwebengine | 6.8.3-r1 | — |
| Alpine v3.21 | hunspell | 1.7.0-r1 | — |
| Alpine v3.20 | hunspell | 1.7.0-r1 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | hunspell | 1.7.0-r1 | — |
| Alpine v3.18 | hunspell | 1.7.0-r1 | — |
| Alpine v3.17 | hunspell | 1.7.0-r1 | — |
| Alpine v3.16 | hunspell | 1.7.0-r1 | — |
| Alpine v3.15 | hunspell | 1.7.0-r1 | — |
| Alpine v3.14 | hunspell | 1.7.0-r1 | — |
| Alpine v3.13 | hunspell | 1.7.0-r1 | — |
| Alpine v3.12 | hunspell | 1.7.0-r1 | — |
| Alpine v3.11 | hunspell | 1.7.0-r1 | — |
| Alpine v3.10 | hunspell | 1.7.0-r1 | — |
| Alpine v3.9 | hunspell | 1.6.2-r2 | — |
| Alpine v3.8 | hunspell | 1.6.2-r2 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | hunspell +1 | 1.3.2-16.amzn2 | ALAS2-2020-1518 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | hunspell +1 | 1.3.2-16.el7 | ELSA-2020-3971 |
Advisories 9
- RHSA-2020:3971 Red Hat Security Advisory: hunspell security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- openSUSE-SU-2020:1717-1 Security update for hunspell SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10851-1 hunspell-1.7.0-2.6 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2967-1 Security update for hunspell SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2966-1 Security update for hunspell SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1719-1 Security update for hunspell SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2026-0012 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 5, 2026
- ALAS2-2020-1518 Low: hunspell security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 22, 2020
- ELSA-2020-3971 Low: hunspell security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
References
- https://github.com/butterflyhack/hunspell-crash
- FEDORA-2019-7841e28c1b vendor-advisory
- FEDORA-2019-746b0b02f7 vendor-advisory
- FEDORA-2019-074bf7d2d3 vendor-advisory
- FEDORA-2019-656f7ac8ca vendor-advisory