CVE-2024-24198
smartdns commit 54b4dc was discovered to contain a misaligned address at smartdns/src/util.c.
smartdns commit 54b4dc was discovered to contain a misaligned address at smartdns/src/util.c.
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
smartdns commit 54b4dc was discovered to contain a misaligned address at smartdns/src/util.c.
- Record
CVE-2024-24198- 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
CVE List
smartdns commit 54b4dc was discovered to contain a misaligned address at smartdns/src/util.c.
- Record
CVE-2024-24198- 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
EUVDEUVD-2024-21622
smartdns commit 54b4dc was discovered to contain a misaligned address at smartdns/src/util.c.
- Record
EUVD-2024-21622- 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
- 2026-11-03
GitHub AdvisoriesGHSA-qcj4-jc33-2m8m
smartdns commit 54b4dc was discovered to contain a misaligned address at smartdns/src/util.c.
smartdns commit 54b4dc was discovered to contain a misaligned address at smartdns/src/util.c.
- Record
GHSA-qcj4-jc33-2m8m- 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
OSV
smartdns commit 54b4dc was discovered to contain a misaligned address at smartdns/src/util.c.
- Record
CVE-2024-24198- 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-2024-24198
smartdns commit 54b4dc was discovered to contain a misaligned address at smartdns/src/util.c.
- Record
UBUNTU-CVE-2024-24198- 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-7370-1 No score
smartdns vulnerabilities
It was discovered that SmartDNS did not correctly align certain objects in memory, leading to undefined behaviour. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2024-24198, CVE-2024-24199)
It was discovered that SmartDNS did not correctly handle certain inputs, which could lead to an integer overflow. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2024-42643)
- Record
USN-7370-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
smartdnsUbuntu:Pro:22.04:LTS |
before 35+dfsg-1ubuntu0.1~esm1, plus listed versions 33+dfsg-2.133+dfsg-2.1build135+dfsg-1 |
35+dfsg-1ubuntu0.1~esm1 |
smartdnsUbuntu:Pro:24.04:LTS |
before 45+dfsg-1ubuntu0.1~esm1, plus listed versions 42+dfsg-143+dfsg-145+dfsg-145+dfsg-1build145+dfsg-1build2 |
45+dfsg-1ubuntu0.1~esm1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-24198 is a high vulnerability (CVSS 7.5) in Pymumu Smartdns, published June 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. Fixed in smartdns 35+dfsg-1ubuntu0.1~esm1.
References
github.com/pymumu/smartdns/issues/1629
nvd.nist.gov/vuln/detail/CVE-2024-24198
ubuntu.com/security/CVE-2024-24198
cve.org/CVERecord?id=CVE-2024-24198