What is CVE-2017-9669?

CVE-2017-9669 is a high-severity vulnerability in Alpinelinux Alpine Linux, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-07-17.

How severe is CVE-2017-9669?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Alpinelinux Alpine Linux

CVE-2017-9669

A heap overflow in apk (Alpine Linux's package manager) allows a remote attacker to cause a denial of service, or achieve code execution by crafting a malicious APKINDEX.tar.gz file.

Vulnerability class: Buffer Overflow

Published 2017-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.032 (88.2th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000

Affected products

Alpinelinux Alpine Linux

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.openwall.com/lists/oss-security/2017/06/25/2 (mailing-list, Exploit, Mailing List, Third Party Advisory)
www.securityfocus.com/bid/99340 (VDB Entry, Third Party Advisory, vdb-entry)
www.twistlock.com/2017/06/25/alpine-linux-vulnerability-discovery-code-executio… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-9669?: CVE-2017-9669 is a high-severity vulnerability in Alpinelinux Alpine Linux, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-07-17.
How severe is CVE-2017-9669?: High severity. CVSS v3 base score is 7.8 out of 10.