GNU Aspell 0.60.8 objstac dup_top heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in GNU Aspell 0.60.8 and classified as critical. The affected element is the function acommon::ObjStack::dup_top of the component objstac. The manipulation leads to heap-based overflow. This vulnerability is listed as CVE-2019-25051. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GNU Aspell 0.60.8. This issue affects the function acommon::ObjStack::dup_top of the component objstac. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was presented 07/21/2021. The advisory is shared at bugs.chromium.org. The identification of this vulnerability is CVE-2019-25051. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 242789 (NewStart CGSL MAIN 7.02 : aspell Vulnerability (NS-SA-2025-0205)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (242789). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 242789
Nessus Name: NewStart CGSL MAIN 7.02 : aspell Vulnerability (NS-SA-2025-0205)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

07/20/2021 🔍
07/21/2021 +1 days 🔍
07/21/2021 +0 days 🔍
07/26/2025 +1466 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: bugs.chromium.org
Status: Confirmed

CVE: CVE-2019-25051 (🔍)
GCVE (CVE): GCVE-0-2019-25051
GCVE (VulDB): GCVE-100-179273

Entryinfo

Created: 07/21/2021 11:29
Updated: 07/26/2025 07:00
Changes: 07/21/2021 11:29 (39), 07/25/2021 23:44 (2), 07/26/2025 07:00 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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