Out-of-bounds Read in Alpinelinux Apk-Tools
CVE-2021-30139
In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and crash.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.alpinelinux.org/alpine/apk-tools/-/issues/10741 (Third Party Advisory)
- gitlab.alpinelinux.org/alpine/aports/-/issues/12606 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-30139?
- CVE-2021-30139 is a high-severity vulnerability in Alpinelinux Apk-Tools, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-04-21.
- How severe is CVE-2021-30139?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-30139 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.