In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and crash.
Priority LOW 36CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and crash.
Why it matters now
EPSS 0.01618 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:alpinelinux:apk-tools:*:*:*:*:*:*:*:* | before 2.10.6; 2.12.0 to before 2.12.5 | Vulnerable | Alpinelinux |
- cpe:2.3:o:alpinelinux:apk-tools:*:*:*:*:*:*:*:* Versions before 2.10.6; 2.12.0 to before 2.12.5 Vulnerable ·Alpinelinux
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-30139
- 2026-10-03 Alias added: GHSA-j8vp-8v7m-rpjr
References
Sources
- CVE-2021-30139 · CVE Program
- CVE-2021-30139 · NVD
- FIRST EPSS
- GHSA-j8vp-8v7m-rpjr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences