CVE-2017-14496 is an integer underflow vulnerability in the add_pseudoheader function of dnsmasq versions prior to 2.78, affecting various products including Canonical, Debian, Google, and Red Hat, when specific options like --add-mac are enabled. This high-severity vulnerability (CVSS 7.5) allows unauthenticated remote attackers to cause a denial of service via a crafted DNS request, requiring no user interaction. While not on the KEV catalog, public exploit code exists (EDB-42946), and it has garnered significant community discussion and media coverage, indicating its potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
17.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
7.1CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.