CVE-2018-9240
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen...
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen and another client sends a long chat message, a crash and denial of service could occur.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen and another client sends a long chat message, a crash and denial of service could occur.
- Record
CVE-2018-9240- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen and another client sends a long chat message, a crash and denial of service could occur.
- Record
CVE-2018-9240- Updated
- 2026-11-02
EUVDEUVD-2018-20834 No score
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen and another client sends a long chat message, a crash and denial of service could occur.
- Record
EUVD-2018-20834- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p6r9-xv65-25jq
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen...
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen and another client sends a long chat message, a crash and denial of service could occur.
- Record
GHSA-p6r9-xv65-25jq- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen and another client sends a long chat message, a crash and denial of service could occur.
- Record
CVE-2018-9240- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-9240
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen and another client sends a long chat message, a crash and denial of service could occur.
- Record
DEBIAN-CVE-2018-9240- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-9240
ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen and another client sends a long chat message, a crash and denial of service could occur.
- Record
UBUNTU-CVE-2018-9240- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUSN-4507-1 No score
ncmpc vulnerability
It was discovered that ncmpc incorrectly handled long chat messages. A remote attacker could possibly exploit this with a crafted chat message, causing ncmpc to crash, resulting in a denial of service. (CVE-2018-9240)
- Record
USN-4507-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ncmpcDebian:12 |
before 0.33-1 | 0.33-1 |
ncmpcDebian:13 |
before 0.33-1 | 0.33-1 |
ncmpcDebian:14 |
before 0.33-1 | 0.33-1 |
ncmpcDebian:8 |
before 0.24-1+deb8u1, plus listed versions 0.24-1 |
0.24-1+deb8u1 |
ncmpcUbuntu:16.04:LTS |
before 0.24-1+deb8u1build0.16.04.1, plus listed versions 0.24-10.24-1build1 |
0.24-1+deb8u1build0.16.04.1 |
ncmpcUbuntu:18.04:LTS |
All versions, plus listed versions 0.25-0.1build10.27-1 |
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-2018-9240 is a high vulnerability (CVSS 7.5) in Ncmpc Project Ncmpc, published April 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. Fixed in ncmpc 0.33-1.
References
bugs.debian.org/894724
lists.debian.org/debian-lts-announce/2020/04/msg00020.html
usn.ubuntu.com/4507-1
nvd.nist.gov/vuln/detail/CVE-2018-9240
github.com/advisories/GHSA-p6r9-xv65-25jq
security-tracker.debian.org/tracker/CVE-2018-9240
ubuntu.com/security/CVE-2018-9240
cve.org/CVERecord?id=CVE-2018-9240