CVE-2018-19839 describes a heap-based buffer over-read vulnerability in LibSass versions prior to 3.5.5, specifically within the handle_error function in sass_context.cpp. An unauthenticated attacker can exploit this by providing a specially crafted Sass file, leading to a denial-of-service condition. Rated as Medium severity (CVSS 6.5), this vulnerability requires user interaction (UI:R) but can be exploited over the network (AV:N) with low attack complexity (AC:L), primarily impacting availability (A:H). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.5.5CPE matchmatch criteria | cpe:2.3:a:sass-lang:libsass:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.