How severe is CVE-2022-39836?

CVE-2022-39836 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-39836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-39836?

CVE-2022-39836 affects Genivi Diagnostic Log And Trace. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-39836?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-39836 published?

CVE-2022-39836 was published on 2022-10-25 and last updated on 2026-06-17.

CVE-2022-39836

CVE-2022-39836 is a medium-severity vulnerability in Genivi Diagnostic Log And Trace with a CVSS 3.x base score of 5.5. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Genivi Diagnostic Log And Trace
Published: 2022-10-25
Last modified: 2026-06-17

Description

An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a heap-based buffer over-read of one byte.

Frequently asked questions

What is CVE-2022-39836?: An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a heap-based buffer over-read of one byte.
How severe is CVE-2022-39836?: CVE-2022-39836 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-39836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-39836?: CVE-2022-39836 affects Genivi Diagnostic Log And Trace. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-39836?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-39836 published?: CVE-2022-39836 was published on 2022-10-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:genivi:diagnostic_log_and_trace:*:*:*:*:*:*:*:*

More vulnerabilities in Genivi Diagnostic Log And Trace

CVE-2020-36244 — Critical (CVSS 9.8): The daemon in GENIVI diagnostic log and trace (DLT), is vulnerable to a heap-based buffer overflow that could allow an…
CVE-2020-29394 — High (CVSS 7.8): A buffer overflow in the dlt_filter_load function in dlt_common.c from dlt-daemon through 2.18.5 (GENIVI Diagnostic Log…
CVE-2022-31291 — High (CVSS 7.5): An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP…
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CVE-2022-39837 — Medium (CVSS 5.5): An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT…

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