PT-2021-7966 · Unknown+2 · Fluidsynth+2

Derselbst + 1 · Published 2021-03-14 · Updated 2023-09-06 · CVE-2021-21417

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions fluidsynth (affected versions not specified)

Description A use after free violation was discovered in fluidsynth that can be triggered when loading an invalid SoundFont file. This issue allows a remote attacker to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-1496

ALT-PU-2023-5102

BDU:2023-07823

CVE-2021-21417

DLA-2697-1

GHSA-6FCQ-PXHC-JXC9

MGASA-2021-0324

Affected Products

Alt Linux

Astra Linux

Fluidsynth

References · 19

• 🔥 https://github.com/FluidSynth/fluidsynth/issues/808 · Exploit
• 🔥 https://github.com/FluidSynth/fluidsynth/pull/810 · Exploit
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21417 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21417 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0324.html · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-21417 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-21417 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-21417 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-21417 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07823 · Security Note
• https://osv.dev/vulnerability/MGASA-2021-0324 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2697-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21417 · Security Note
• https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9 · Note