CVE-2021-40827
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read...
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read Access Violation on Block Data Move, affecting the MP3 file parsing functionality at memcpy+0x265. The vulnerability is triggered when the user opens a crafted MP3 file or loads a remote stream URL that is mishandled by Clementine. Attackers could exploit this issue to cause a crash (DoS) of the clementine.exe process or achieve arbitrary code execution in the context of the current logged-in Windows user.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read Access Violation on Block Data Move, affecting the MP3 file parsing functionality at memcpy+0x265. The vulnerability is triggered when the user opens a crafted MP3 file or loads a remote stream URL that is mishandled by Clementine. Attackers could exploit this issue to cause a crash (DoS) of the clementine.exe process or achieve arbitrary code execution in the context of the current logged-in Windows user.
- Record
CVE-2021-40827- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read Access Violation on Block Data Move, affecting the MP3 file parsing functionality at memcpy+0x265. The vulnerability is triggered when the user opens a crafted MP3 file or loads a remote stream URL that is mishandled by Clementine. Attackers could exploit this issue to cause a crash (DoS) of the clementine.exe process or achieve arbitrary code execution in the context of the current logged-in Windows user.
- Record
CVE-2021-40827- Updated
- 2026-11-02
EUVDEUVD-2021-27988 No score
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read Access Violation on Block Data Move, affecting the MP3 file parsing functionality at memcpy+0x265. The vulnerability is triggered when the user opens a crafted MP3 file or loads a remote stream URL that is mishandled by Clementine. Attackers could exploit this issue to cause a crash (DoS) of the clementine.exe process or achieve arbitrary code execution in the context of the current logged-in Windows user.
- Record
EUVD-2021-27988- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9v55-ghc6-wfcw No score
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read...
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read Access Violation on Block Data Move, affecting the MP3 file parsing functionality at memcpy+0x265. The vulnerability is triggered when the user opens a crafted MP3 file or loads a remote stream URL that is mishandled by Clementine. Attackers could exploit this issue to cause a crash (DoS) of the clementine.exe process or achieve arbitrary code execution in the context of the current logged-in Windows user.
- Record
GHSA-9v55-ghc6-wfcw- Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read Access Violation on Block Data Move, affecting the MP3 file parsing functionality at memcpy+0x265. The vulnerability is triggered when the user opens a crafted MP3 file or loads a remote stream URL that is mishandled by Clementine. Attackers could exploit this issue to cause a crash (DoS) of the clementine.exe process or achieve arbitrary code execution in the context of the current logged-in Windows user.
- Record
CVE-2021-40827- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-40827
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read Access Violation on Block Data Move, affecting the MP3 file parsing functionality at memcpy+0x265. The vulnerability is triggered when the user opens a crafted MP3 file or loads a remote stream URL that is mishandled by Clementine. Attackers could exploit this issue to cause a crash (DoS) of the clementine.exe process or achieve arbitrary code execution in the context of the current logged-in Windows user.
- Record
DEBIAN-CVE-2021-40827- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-40827
Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL is used) is vulnerable to a Read Access Violation on Block Data Move, affecting the MP3 file parsing functionality at memcpy+0x265. The vulnerability is triggered when the user opens a crafted MP3 file or loads a remote stream URL that is mishandled by Clementine. Attackers could exploit this issue to cause a crash (DoS) of the clementine.exe process or achieve arbitrary code execution in the context of the current logged-in Windows user.
- Record
UBUNTU-CVE-2021-40827- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
clementineDebian:12 |
All versions, plus listed versions 1.4.0~rc1+git867-g9ef681b0e+dfsg-11.4.0~rc1+git867-g9ef681b0e+dfsg-1.11.4.0~rc1+git867-g9ef681b0e+dfsg-21.4.1+git27-g658f34ec4+dfsg-11.4.1+git27-g658f34ec4+dfsg-2 Show 4 moreShow less1.4.1+git27-g658f34ec4+dfsg-2~exp11.4.1+git27-g658f34ec4+dfsg-31.4.1+git27-g658f34ec4+dfsg-41.4.1+git27-g658f34ec4+dfsg-5 |
None known |
clementineDebian:13 |
All versions, plus listed versions 1.4.1+git27-g658f34ec4+dfsg-31.4.1+git27-g658f34ec4+dfsg-41.4.1+git27-g658f34ec4+dfsg-5 |
None known |
clementineDebian:14 |
All versions, plus listed versions 1.4.1+git27-g658f34ec4+dfsg-31.4.1+git27-g658f34ec4+dfsg-41.4.1+git27-g658f34ec4+dfsg-5 |
None known |
clementineUbuntu:16.04:LTS |
All versions, plus listed versions 1.2.3+dfsg-41.2.3+git1354-gdaddbde+dfsg-11.2.3+git1354-gdaddbde+dfsg-1build1 |
None known |
clementineUbuntu:18.04:LTS |
All versions, plus listed versions 1.3.1+git276-g3485bbe43+dfsg-11.3.1+git276-g3485bbe43+dfsg-1.11.3.1+git276-g3485bbe43+dfsg-1.1build1 |
None known |
clementineUbuntu:20.04:LTS |
All versions, plus listed versions 1.3.1+git609-g623a53681+dfsg-1build11.4.0~rc1+dfsg-1 |
None known |
clementineUbuntu:22.04:LTS |
All versions, plus listed versions 1.4.0~rc1+git347-gfc4cb6fc7+dfsg-1build11.4.0~rc1+git347-gfc4cb6fc7+dfsg-2 |
None known |
clementineUbuntu:24.04:LTS |
All versions, plus listed versions 1.4.0~rc1+git867-g9ef681b0e+dfsg-1ubuntu11.4.0~rc1+git867-g9ef681b0e+dfsg-1ubuntu31.4.0~rc1+git867-g9ef681b0e+dfsg-1ubuntu4 |
None known |
clementineUbuntu:25.10 |
All versions, plus listed versions 1.4.1+git27-g658f34ec4+dfsg-3ubuntu11.4.1+git27-g658f34ec4+dfsg-3ubuntu2 |
None known |
clementineUbuntu:26.10 |
All versions, plus listed versions 1.4.1+git27-g658f34ec4+dfsg-3ubuntu31.4.1+git27-g658f34ec4+dfsg-4ubuntu1 |
None known |
clementineUbuntu:26.04:LTS |
All versions, plus listed versions 1.4.1+git27-g658f34ec4+dfsg-3ubuntu21.4.1+git27-g658f34ec4+dfsg-3ubuntu3 |
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-2021-40827 is a high vulnerability (CVSS 7.8) in Clementine-player Clementine, published December 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. No source names a fixed version.