CVE-2019-16707 Memory corruption in n/a
An invalid read operation in Hunspell's suggestion manager can cause a crash, leading to denial of service for applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-16707?
CVE-2019-16707 is a medium-severity memory corruption vulnerability in Fedoraproject Fedora, published on 23 Sep 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Hunspell 1.7.0 has an invalid read operation in SuggestMgr::leftcommonsubstring in suggestmgr.cxx.
Weakness: CWE-119
Which versions are affected by CVE-2019-16707?
It affects 2 products.
Linux distribution packages (20)
hunspell Red Hat:enterprise_linux:7::client | All versions | 0:1.3.2-16.el7 |
hunspell-debuginfo Red Hat:enterprise_linux:7::client | All versions | 0:1.3.2-16.el7 |
hunspell-devel Red Hat:enterprise_linux:7::client | All versions | 0:1.3.2-16.el7 |
hunspell Red Hat:enterprise_linux:7::computenode | All versions | 0:1.3.2-16.el7 |
hunspell-debuginfo Red Hat:enterprise_linux:7::computenode | All versions | 0:1.3.2-16.el7 |
hunspell-devel Red Hat:enterprise_linux:7::computenode | All versions | 0:1.3.2-16.el7 |
hunspell Red Hat:enterprise_linux:7::server | All versions | 0:1.3.2-16.el7 |
hunspell-debuginfo Red Hat:enterprise_linux:7::server | All versions | 0:1.3.2-16.el7 |
hunspell-devel Red Hat:enterprise_linux:7::server | All versions | 0:1.3.2-16.el7 |
hunspell Red Hat:enterprise_linux:7::workstation | All versions | 0:1.3.2-16.el7 |
hunspell-debuginfo Red Hat:enterprise_linux:7::workstation | All versions | 0:1.3.2-16.el7 |
hunspell-devel Red Hat:enterprise_linux:7::workstation | All versions | 0:1.3.2-16.el7 |
hunspell SUSE:Linux Enterprise Module for Basesystem 15 SP1 | All versions | 1.6.2-3.3.7 |
hunspell SUSE:Linux Enterprise Module for Basesystem 15 SP2 | All versions | 1.6.2-3.3.7 |
hunspell SUSE:Linux Enterprise Server 12 SP5 | All versions | 1.3.2-19.3.1 |
hunspell SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 1.3.2-19.3.1 |
hunspell SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 1.3.2-19.3.1 |
hunspell openSUSE:Leap 15.1 | All versions | 1.6.2-lp151.3.3.1 |
hunspell openSUSE:Leap 15.2 | All versions | 1.6.2-lp152.4.3.1 |
hunspell openSUSE:Tumbleweed | All versions | 1.7.0-2.6 |
Products include Fedoraproject Fedora, Hunspell Project Hunspell.
How do I fix CVE-2019-16707?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-16707 being exploited?
There is no known exploitation of CVE-2019-16707 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as ALPINE-CVE-2019-16707, CLEANSTART-2025-SE70247, DEBIAN-CVE-2019-16707, GHSA-q3gq-ffrv-w3c5, MGASA-2019-0421, OESA-2021-1023 and 7 more.