Use After Free in Fluidsynth
CVE-2021-21417
fluidsynth is a software synthesizer based on the SoundFont 2 specifications. A use after free violation was discovered in fluidsynth, that can be triggered when loading an invalid SoundFont file.
Vulnerability class: Use-After-Free
EPSS: 0.009 (57.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Fluidsynth — versions < 2.1.8
- Debian Debian_linux — versions 9.0
Weakness classification (CWE)
References
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21417?
- CVE-2021-21417 is a high-severity vulnerability in Fluidsynth, classified under Use After Free. CVSS score: 7.2/10. Published 2021-04-29.
- How severe is CVE-2021-21417?
- High severity. CVSS v3 base score is 7.2 out of 10.