CVE-2019-19334 describes a critical stack-based buffer overflow in libyang versions prior to 1.0-r5, specifically when parsing YANG files containing an "identityref" leaf. This flaw affects various products utilizing libyang, including those from Cesnet, Fedora Project, and Red Hat. With a CVSS score of 9.8, it presents a high-severity risk, allowing unauthenticated remote attackers to cause denial of service or potentially achieve arbitrary code execution with low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.11CPE matchmatch criteria | cpe:2.3:a:cesnet:libyang:0.11:r1:*:*:*:*:*:* | ||
0.11CPE matchmatch criteria | cpe:2.3:a:cesnet:libyang:0.11:r2:*:*:*:*:*:* | ||
0.12CPE matchmatch criteria | cpe:2.3:a:cesnet:libyang:0.12:r1:*:*:*:*:*:* | ||
0.12CPE matchmatch criteria | cpe:2.3:a:cesnet:libyang:0.12:r2:*:*:*:*:*:* | ||
0.13CPE matchmatch criteria | cpe:2.3:a:cesnet:libyang:0.13:r1:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.