What is CVE-2021-34085?

CVE-2021-34085 is a critical-severity vulnerability in Glensawyer Mp3gain, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-05-11.

How severe is CVE-2021-34085?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Out-of-bounds Read in Glensawyer Mp3gain

CVE-2021-34085

Read access violation in the III_dequantize_sample function in mpglibDBL/layer3.c in mp3gain through 1.5.2-r2 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact, a different vulnerability than CVE-2017-9872. CVE-2017-14409, and CVE-2018-10778.

Vulnerability class: Buffer Overflow

Published 2022-05-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (78.9th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: +0.000

Affected products

Glensawyer Mp3gain — versions 1.5.2

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

drive.google.com/drive/folders/1epm65c4_iC0zE5V_leoet4Jyk1Prz2p5 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-34085?: CVE-2021-34085 is a critical-severity vulnerability in Glensawyer Mp3gain, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-05-11.
How severe is CVE-2021-34085?: Critical severity. CVSS v3 base score is 9.8 out of 10.