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Fencer Vulns
high 7.8

CVE-2019-25051 json

objstack in GNU Aspell 0.60.8 has a heap-based buffer overflow in acommon::ObjStack::dup_top (called from acommon::StringMap::add and acomm…

published 2021-07-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2019-11500

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

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).

Patch / fix

  • aspell Debian 14, Debian 13, Debian 12 0.60.8-3

debian advisories DEBIAN-CVE-2019-25051

  • aspell Ubuntu 18.04 LTS 0.60.7~20110707-4ubuntu0.2
  • aspell Ubuntu 20.04 LTS 0.60.8-1ubuntu0.1
  • aspell Ubuntu 22.04 LTS 0.60.8-3
  • aspell Ubuntu Pro 14.04 LTS 0.60.7~20110707-1ubuntu1+esm2
  • aspell Ubuntu Pro 16.04 LTS 0.60.7~20110707-3ubuntu0.1+esm1

ubuntu advisories UBUNTU-CVE-2019-25051

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • aspell RHEL 8 12:0.60.6.1-22.el8

red hat advisories RHSA-2022:1808

  • aspell SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +11 more 0.60.6.1-18.11.1
  • aspell SLE Module for Basesystem 15 SP3, SLE Module for Basesystem 15 SP2 0.60.8-3.3.1
  • aspell SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 0.60.6-26.36.1

suse advisories SUSE-SU-2021:2848-1SUSE-SU-2021:2794-1SUSE-SU-2021:14783-1

  • aspell openSUSE Tumbleweed 0.60.8-4.2
  • aspell openSUSE Leap 15.2 0.60.8-lp152.2.3.1
  • aspell openSUSE Leap 15.3 0.60.8-3.3.1

opensuse advisories openSUSE-SU-2024:10635-1openSUSE-SU-2021:1181-1openSUSE-SU-2021:2794-1

  • aspell AlmaLinux 8 12:0.60.6.1-22.el8

almalinux advisories ALSA-2022:1808

  • aspell Rocky Linux 8 2:0.60.6.1-22.el8

rocky linux advisories RLSA-2022:1808

  • aspell Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 0.60.8-r1

alpine advisories ALPINE-CVE-2019-25051

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • aspell CBL-Mariner 2.0 0.60.8-7

azure linux advisories AZL-11363

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

  • aspell Arch Linux 0.60.8-3

arch linux advisories AVG-2178

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-25051 updated cvss 7.8

aspell: Heap-buffer-overflow in acommon::ObjStack::dup_top

  • Red Hat Enterprise Linux 6 aspell Red Hat Enterprise Linux 7 aspell
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) aspell 0.60.6.1-22.el8 Red Hat Enterprise Linux CRB (v. 8) aspell-devel 0.60.6.1-22.el8, aspell-debuginfo 0.60.6.1-22.el8, aspell-debugsource 0.60.6.1-22.el8
    fixed: vendor fix RHSA-2022:1808

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.