An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc(). (CVE-2026-88350)
CVE-2026-88350 is an integer overflow vulnerability in MPack version 1.1.1 affecting the functions mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc(). This flaw can lead to a denial of service due to application crash or instability. No confidentiality or integrity impact is indicated.
AI Analysis
Technical Summary
An integer overflow vulnerability exists in MPack 1.1.1 specifically within the functions mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc(). The flaw allows an attacker with local access to cause an overflow during memory allocation calculations, potentially leading to application crashes or denial of service. The CVSS 3.1 base score is 6.2, reflecting a medium severity with local attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
The vulnerability impacts availability by allowing denial of service through application crashes caused by integer overflow during memory allocation. There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
No patch or remediation information is currently provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc(). (CVE-2026-88350)
Description
CVE-2026-88350 is an integer overflow vulnerability in MPack version 1.1.1 affecting the functions mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc(). This flaw can lead to a denial of service due to application crash or instability. No confidentiality or integrity impact is indicated.
CVSS v3.1
Score 6.2medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An integer overflow vulnerability exists in MPack 1.1.1 specifically within the functions mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc(). The flaw allows an attacker with local access to cause an overflow during memory allocation calculations, potentially leading to application crashes or denial of service. The CVSS 3.1 base score is 6.2, reflecting a medium severity with local attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
The vulnerability impacts availability by allowing denial of service through application crashes caused by integer overflow during memory allocation. There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
No patch or remediation information is currently provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-c2wm-8rj3-h9cx
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-88350"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abeb3eda43b0b3b89ed3e61
Added to database: 10/01/2026, 19:26:37 UTC
Last enriched: 10/01/2026, 19:31:49 UTC
Last updated: 10/02/2026, 03:41:31 UTC
Views: 8
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