CVE-2016-1521 is a critical vulnerability in Libgraphite's directrun function, affecting Graphite 2 1.2.4, specifically as used in Mozilla Firefox before version 43.0 and Firefox ESR 38.x before 38.6.1, as well as Debian, Fedora, and SIL products. This flaw, an out-of-bounds read, allows remote attackers to execute arbitrary code, obtain sensitive information, or cause a denial of service via a crafted Graphite smart font. Rated with a CVSSv3 score of 8.8 (High), it requires user interaction (UI:R) but has a low attack complexity (AC:L) and network attack vector (AV:N), leading to high confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
<= 1.2.4CPE matchmatch criteria | cpe:2.3:a:sil:graphite2:*:*:*:*:*:*:*:* | ||
<= 42.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
38.0.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.