CVE-2019-25051 Memory corruption in n/a

High 7.8 Published 20 Jul 2021 Updated 5 Aug 2024

A heap-based buffer overflow in GNU Aspell allows attackers to execute arbitrary code or cause a denial of service via crafted input.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2019-25051?

CVE-2019-25051 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 20 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

objstack in GNU Aspell 0.60.8 has a heap-based buffer overflow in acommon::ObjStack::dup_top (called from acommon::StringMap::add and acommon::Config::lookup_list).

Weakness: CWE-787

Which versions are affected by CVE-2019-25051?

It affects 3 products.

Linux distribution packages (30)

`aspell` AlmaLinux:8	All versions	`12:0.60.6.1-22.el8`
`aspell-devel` AlmaLinux:8	All versions	`12:0.60.6.1-22.el8`
`aspell` Red Hat:enterprise_linux:8::appstream	All versions	`12:0.60.6.1-22.el8`
`aspell-debuginfo` Red Hat:enterprise_linux:8::appstream	All versions	`12:0.60.6.1-22.el8`
`aspell-debugsource` Red Hat:enterprise_linux:8::appstream	All versions	`12:0.60.6.1-22.el8`
`aspell-debuginfo` Red Hat:enterprise_linux:8::crb	All versions	`12:0.60.6.1-22.el8`
`aspell-debugsource` Red Hat:enterprise_linux:8::crb	All versions	`12:0.60.6.1-22.el8`
`aspell-devel` Red Hat:enterprise_linux:8::crb	All versions	`12:0.60.6.1-22.el8`
`aspell` Rocky Linux:8	All versions	`2:0.60.6.1-22.el8`
`aspell` SUSE:HPE Helion OpenStack 8	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:Linux Enterprise Module for Basesystem 15 SP2	All versions	`0.60.8-3.3.1`
`aspell` SUSE:Linux Enterprise Module for Basesystem 15 SP3	All versions	`0.60.8-3.3.1`
`aspell` SUSE:Linux Enterprise Point of Sale 11 SP3	All versions	`0.60.6-26.36.1`
`aspell` SUSE:Linux Enterprise Server 11 SP4-LTSS	All versions	`0.60.6-26.36.1`
`aspell` SUSE:Linux Enterprise Server 12 SP2-BCL	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:Linux Enterprise Server 12 SP3-BCL	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:Linux Enterprise Server 12 SP3-LTSS	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:Linux Enterprise Server 12 SP4-LTSS	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:Linux Enterprise Server 12 SP5	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:Linux Enterprise Server for SAP Applications 12 SP3	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:Linux Enterprise Server for SAP Applications 12 SP4	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:OpenStack Cloud 8	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:OpenStack Cloud 9	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:OpenStack Cloud Crowbar 8	All versions	`0.60.6.1-18.11.1`
`aspell` SUSE:OpenStack Cloud Crowbar 9	All versions	`0.60.6.1-18.11.1`
`aspell` openSUSE:Leap 15.2	All versions	`0.60.8-lp152.2.3.1`
`aspell` openSUSE:Leap 15.3	All versions	`0.60.8-3.3.1`
`aspell` openSUSE:Tumbleweed	All versions	`0.60.8-4.2`

Products include Debian Debian Linux, Fedoraproject Fedora, Gnu Aspell.

How do I fix CVE-2019-25051?

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-2019-25051 being exploited?

There is no known exploitation of CVE-2019-25051 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2019-25051, ALSA-2022:1808, AZL-11363, DEBIAN-CVE-2019-25051, GHSA-vm7w-rc54-7m7r, MGASA-2021-0388 and 13 more.