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CVE-2019-25051

25
FAUCET Score

CVE-2019-25051 describes a heap-based buffer overflow in the objstack component of GNU Aspell version 0.60.8, impacting various distributions including Debian and Fedora. This vulnerability carries a high CVSS score of 7.8, indicating a significant risk with potential for high confidentiality, integrity, and availability impacts, and can be exploited locally with low attack complexity. Despite its severity, there is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.60.8CPE matchmatch criteria
cpe:2.3:a:gnu:aspell:0.60.8:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
34CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.55%
Probability of exploitation in next 30 days
EPSS Percentile
42.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0055 is in the 82nd percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 17055-16823Fixed in: 0.60.8-7
microsoftpatch availablevia msrc
Product: 17056-16823Fixed in: 0.60.8-5
microsoftpatch availablevia msrc
Product: cbl2 aspell 0.60.8-7 on CBL Mariner 2.0Fixed in: 0.60.8-7
microsoftpatch availablevia msrc
Product: cbl2 aspell 0.60.8-5 on CBL Mariner 2.0Fixed in: 0.60.8-5
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 0.60.8-7
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 0.60.8-7
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: aspell-12:0.60.6.1-22.el8
View patch

Vendor Advisories (3)

microsoft2022-Oct/CVE-2019-25051

CVE-2019-25051

Oct 11, 2022
redhatCVE-2019-25051Moderate

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

Jul 20, 2021
microsoft2021-Jul/CVE-2019-25051Important

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).

Jul 13, 2021

References

bugs.chromium.org / p/oss-fuzz/issues/detail
Third Party Advisory
github.com / gnuaspell/aspell/commit/0718b375425aad8e54e1150313b862e4c6fd324a
PatchThird Party Advisory
github.com / google/oss-fuzz-vulns/blob/main/vulns/aspell/OSV-2020-521.yaml
Third Party Advisory
lists.debian.org / debian-lts-announce/2021/07/msg00021.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/H7E4EI7F6TVN7K6XWU6HSANMCOKKEREE
debian.org / security/2021/dsa-4948
Third Party Advisory