How severe is CVE-2023-26257?

CVE-2023-26257 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-26257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26257?

CVE-2023-26257 affects Covesa Dlt-daemon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26257?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-26257 published?

CVE-2023-26257 was published on 2023-02-27 and last updated on 2026-06-17.

CVE-2023-26257

CVE-2023-26257 is a high-severity vulnerability in Covesa Dlt-daemon with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Covesa Dlt-daemon
Published: 2023-02-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-26257?: CVE-2023-26257 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-26257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26257?: CVE-2023-26257 affects Covesa Dlt-daemon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26257?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-26257 published?: CVE-2023-26257 was published on 2023-02-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:covesa:dlt-daemon:*:*:*:*:*:*:*:*

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