CVE-2017-15650
7.5
HIGH
CVSS 3.1
EPSS 0.68%
Description
musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query.
How to fix CVE-2017-15650
To remediate CVE-2017-15650, upgrade the affected package to a fixed version below.
- Alpine/musl—upgrade to 1.1.11-r5 or later
- —upgrade to 1.1.17-1 or later
Is CVE-2017-15650 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.1.11-r5
- from 0, < 1.1.17-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |