CVE-2020-36430 is a high-severity heap-based buffer overflow vulnerability in libass versions 0.15.x prior to 0.15.1, affecting products like Fedora. This flaw stems from an incorrect integer data type used in subtraction within the decode_chars function, which can be triggered during font decoding or text processing. With a CVSS score of 7.8, successful exploitation requires user interaction (e.g., opening a malicious file) and could lead to high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.15.0, < 0.15.1CPE matchmatch criteria | cpe:2.3:a:libass_project:libass:*:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.