ALPINE-CVE-2021-0308 — Vulnetix

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ALPINE-CVE-2021-0308 PUBLISHED CVSS 6.800000190734863 MEDIUM

In ReadLogicalParts of basicmbr.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-158063095.

Risk Scores

CVSS v3.1

6.800000190734863

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

Affected Products

Vendor	Product	Versions
Alpine:v3.20	gptfdisk	0, 1.0.5-r0, 1.0.4-r0
Alpine:v3.16	gptfdisk	1.0.5-r0, 1.0.4-r0, 1.0.3-r0
Alpine:v3.19	gptfdisk	0, 1.0.5-r0, 1.0.4-r0
Alpine:v3.14	gptfdisk	0, 1.0.5-r0, 1.0.4-r0
Alpine:v3.17	gptfdisk	0, 0, 0.8.10-r0
Alpine:v3.13	gptfdisk	1.0.5-r0, 1.0.4-r0, 1.0.3-r0
Alpine:v3.18	gptfdisk	0, 1.0.4-r0, 1.0.3-r0
Alpine:v3.23	gptfdisk	1.0.5-r0, 0, 0.8.10-r0
Alpine:v3.22	gptfdisk	0, 0.8.10-r0, 0.8.10-r1
Alpine:v3.21	gptfdisk	0, 0.8.10-r0, 0.8.10-r1
Alpine:v3.12	gptfdisk	0, 1.0.5-r0, 1.0.4-r0
Alpine:v3.15	gptfdisk	0.8.10-r0, 1.0.5-r0, 1.0.4-r0

Timeline

Jan 11, 2021 CVE Published
Dec 3, 2025 CVE Updated
Apr 30, 2026 Distribution Patch

References

https://security.alpinelinux.org/vuln/CVE-2021-0308 advisory

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