CVE-2021-34085
Read access violation in the III_dequantize_sample function in mpglibDBL/layer3.c in mp3gain...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
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.
- Record
CVE-2021-34085- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-34085- Updated
- 2026-11-02
EUVDEUVD-2021-20748 No score
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.
- Record
EUVD-2021-20748- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8w6x-xch3-qjrv
9.8
Read access violation in the III_dequantize_sample function in mpglibDBL/layer3.c in mp3gain...
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.
- Record
GHSA-8w6x-xch3-qjrv- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
9.8
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.
- Record
CVE-2021-34085- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-34085
9.8
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.
- Record
DEBIAN-CVE-2021-34085- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-34085
9.8
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.
- Record
UBUNTU-CVE-2021-34085- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mp3gainDebian:12 |
before 1.6.2-1 | 1.6.2-1 |
mp3gainDebian:13 |
before 1.6.2-1 | 1.6.2-1 |
mp3gainDebian:14 |
before 1.6.2-1 | 1.6.2-1 |
mp3gainUbuntu:22.04:LTS |
All versions, plus listed versions 1.6.2-2 |
None known |
mp3gainUbuntu:24.04:LTS |
All versions, plus listed versions 1.6.2-21.6.2-2build1 |
None known |
mp3gainUbuntu:25.10 |
All versions, plus listed versions 1.6.2-2build1 |
None known |
mp3gainUbuntu:26.10 |
All versions, plus listed versions 1.6.2-3 |
None known |
mp3gainUbuntu:26.04:LTS |
All versions, plus listed versions 1.6.2-2build11.6.2-3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34085 is a critical vulnerability (CVSS 9.8) in Glensawyer Mp3gain, published May 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.91%, the 79th percentile. Fixed in mp3gain 1.6.2-1.