CVE-2017-13704
HIGH7.5EPSS 77.8%Published: 10/3/2017Modified: 12/3/2025
Also known as:ALPINE-CVE-2017-13704DEBIAN-CVE-2017-13704
Description
In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigned value, memset ends up writing up to 0xffffffff zero's (0xffffffffffffffff in 64 bit platforms), making dnsmasq crash.
Affected packages (2)
- Alpine/dnsmasqfrom 0, < 2.78-r0
- Debian/dnsmasqfrom 0, < 2.78-1
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 |