CVE-2025-11683 describes an out-of-bounds read vulnerability in YAML::Syck versions prior to 1.36 for Perl, caused by missing null-terminators in token.c. This flaw can lead to potential information disclosure by allowing adjacent variables to be read, particularly when processing complex YAML files with specific structures. Rated as MEDIUM severity with a CVSS score of 6.5 (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), it indicates a network-adjacent attack with high confidentiality impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.36CPE matchmatch criteria | cpe:2.3:a:toddr:yaml\:\:syck:*:*:*:*:*:perl:*:* | ||
>= 0, < 1.36CPE match | cpe:2.3:a:toddr:yaml\:\:syck:*:*:*:*:*:perl:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.