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libgit2 CVE-2026-53587

| EUVDEUVD-2026-63547 HIGH
Improper Input Validation (CWE-20)
N/A vendor:alpine
7.5
CVSS 3.1 · Vendor: vendor:alpine
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Severity by source

Vendor (vendor:alpine) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from Vendor (vendor:alpine) · only source for this CVE.

CVSS VectorVendor: vendor:alpine

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
Analysis Generated
Jul 19, 2026 - 21:30 vuln.today

DescriptionCVE.org

Alpine Linux: libgit2 fixed in 1.9.6-r0

AnalysisAI

libgit2, the portable C library implementing Git core methods, received a security fix in Alpine Linux package version 1.9.6-r0. The nature, severity, and impact of the underlying vulnerability are not disclosed in available data - only the patched package version is confirmed by the Alpine Linux vendor advisory. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Unknown entry point
Exploit
Trigger undisclosed libgit2 flaw
Impact
Undisclosed impact

Vulnerability AssessmentAI

Exploitation Exploitation conditions cannot be determined from available data. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Risk cannot be meaningfully quantified with available data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario No exploit scenario can be constructed - the vulnerability description does not disclose the flaw type, affected functionality, or attack vector. No public exploit code or proof-of-concept has been identified at time of analysis. …
Remediation Upgrade the libgit2 Alpine Linux package to version 1.9.6-r0 or later using the standard Alpine package manager: 'apk upgrade libgit2'. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-53587 vulnerability details – vuln.today

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