PT-2019-5840 · Gnu+5 · Hunspell+5

Butterflyhack · Published 2019-03-14 · Updated 2026-02-18 · CVE-2019-16707

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Hunspell version 1.7.0

Description The issue is related to an invalid read operation in the SuggestMgr::leftcommonsubstring function of the suggestmgr.cxx component. This is a buffer overflow vulnerability that can be exploited by a remote attacker to cause a denial of service.

Recommendations For Hunspell version 1.7.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2023-4804

ALT-PU-2023-6896

ALT-PU-2024-8934

BDU:2021-03393

CESA-2020_3971

CLEANSTART-2026-ZZ61324

CVE-2019-16707

MGASA-2019-0421

OESA-2021-1023

OPENSUSE-SU-2020:1717-1

OPENSUSE-SU-2020:1719-1

OPENSUSE-SU-2020_1717-1

OPENSUSE-SU-2020_1719-1

OPENSUSE-SU-2024:10851-1

RHSA-2020:3971

RHSA-2020_3971

SUSE-SU-2020:2966-1

SUSE-SU-2020:2967-1

SUSE-SU-2020_2966-1

SUSE-SU-2020_2967-1

Affected Products

Alt Linux

Astra Linux

Centos

Hunspell

Red Hat

Suse

References · 45

• 🔥 https://github.com/butterflyhack/hunspell-crash · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-16707 · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0114SE47 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:2967-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20211019SE81 · Vendor Advisory
• https://wiki.astralinux.ru/pages/viewpage.action?pageId=47416144 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210611SE16 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2019-16707 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-16707 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210730SE16 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-16707 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:10851-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/UD4AJ4M74VT3I6L37E4P5DNYZYBZIOVM · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2019-0421 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-16707 · Vendor Advisory