CVE-2025-68617 is a high-severity heap-based use-after-free vulnerability affecting FluidSynth versions 2.5.0 through 2.5.1. This flaw arises from a race condition during DLS file unloading, potentially leading to memory corruption if the synthesizer is concurrently destroyed or samples are in use. With a CVSS score of 7.0, successful exploitation requires user interaction and high attack complexity, but can result in high impact to confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.5.0, < 2.5.2CPE matchmatch criteria | cpe:2.3:a:fluidsynth:fluidsynth:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/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, 0.0 Bluesky, 0.1 Mastodon, and 0.0 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.