CVE-2023-26257

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt...

7.5 HighFix available

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt-daemon through 2.18.8. Dynamic memory is not released after it is allocated in dlt-control-common.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

1.21%Up 0.3 points since Feb 27, 2023

What each source reports

NVD Score used 7.5

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt-daemon through 2.18.8. Dynamic memory is not released after it is allocated in dlt-control-common.c.

Record: CVE-2023-26257
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-401
Updated: 2026-11-02

CVE List 7.5

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt-daemon through 2.18.8. Dynamic memory is not released after it is allocated in dlt-control-common.c.

Record: CVE-2023-26257
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-401
Updated: 2026-11-02

EUVDEUVD-2023-30081 7.5

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt-daemon through 2.18.8. Dynamic memory is not released after it is allocated in dlt-control-common.c.

Record: EUVD-2023-30081
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-h659-9c3j-jcvg 7.5

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt...

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt-daemon through 2.18.8. Dynamic memory is not released after it is allocated in dlt-control-common.c.

Record: GHSA-h659-9c3j-jcvg
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-401
Updated: 2026-11-02

OSV 7.5

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt-daemon through 2.18.8. Dynamic memory is not released after it is allocated in dlt-control-common.c.

Record: CVE-2023-26257
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-26257 7.5

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt-daemon through 2.18.8. Dynamic memory is not released after it is allocated in dlt-control-common.c.

Record: DEBIAN-CVE-2023-26257
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-26257 7.5

An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt-daemon through 2.18.8. Dynamic memory is not released after it is allocated in dlt-control-common.c.

Record: UBUNTU-CVE-2023-26257
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVopenSUSE-SU-2024:13264-1 No score

dlt-daemon-2.18.10-1.1 on GA media

These are all security issues fixed in the dlt-daemon-2.18.10-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:13264-1
Updated: 2026-11-02

Affected products

covesa dlt-daemon

Affected packages

Affected packages
Package	Affected	Fixed
`dlt-daemon` Debian:12	All versions, plus listed versions 2.18.10-12.18.10-102.18.10-112.18.10-122.18.10-12.1 Show 27 moreShow less 2.18.10-132.18.10-22.18.10-32.18.10-42.18.10-52.18.10-62.18.10-72.18.10-82.18.10-92.18.11-12.18.11-22.18.11-32.18.11-42.18.11-52.18.8-62.18.9-12.18.9-23.0.0-13.0.0-103.0.0-23.0.0-33.0.0-43.0.0-53.0.0-63.0.0-73.0.0-83.0.0-9	None known
`dlt-daemon` Debian:13	before 2.18.9-1	2.18.9-1
`dlt-daemon` Debian:14	before 2.18.9-1	2.18.9-1
`dlt-daemon` Debian:10 From an advisory covering 4 CVEs	before 2.18.0-1+deb10u2, plus listed versions 2.18.0-12.18.0-1+deb10u1	2.18.0-1+deb10u2
`dlt-daemon` Ubuntu:20.04:LTS	All versions, plus listed versions 2.18.4-0.1	None known
`dlt-daemon` Ubuntu:22.04:LTS	All versions, plus listed versions 2.18.6-2	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-26257 is a high vulnerability (CVSS 7.5) in Covesa Dlt-daemon, published February 27, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. Fixed in dlt-daemon 2.18.9-1.

References

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