What is CVE-2023-26257?

CVE-2023-26257 is a high-severity vulnerability in Covesa Dlt-Daemon, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2023-02-27.

How severe is CVE-2023-26257?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-26257 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Covesa Dlt-Daemon

CVE-2023-26257

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.

Published 2023-02-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.3th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Covesa Dlt-Daemon

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

Public proof-of-concept exploits

References

github.com/COVESA/dlt-daemon/issues/440 (Exploit)
github.com/COVESA/dlt-daemon/pull/441/commits/b6149e203f919c899fefc702a17fbb78b… (Patch)
lists.debian.org/debian-lts-announce/2024/06/msg00021.html (mailing-list)

Frequently asked questions

What is CVE-2023-26257?: CVE-2023-26257 is a high-severity vulnerability in Covesa Dlt-Daemon, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2023-02-27.
How severe is CVE-2023-26257?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-26257 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.