PatchTheCVECVE-2022-39836: An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8
CVE-2022-39836 is a medium-severity flaw (CVSS 5.5) affecting diagnostic log and trace. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 60%) |
| CISA exploited list | No |
| Weakness | CWE-125 |
| Published | 2022-10-25 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-39836?
diagnostic log and trace: upgrade to newer than 2.18.8. Exact commands for each OS are on this page.
Is CVE-2022-39836 being exploited?
CVE-2022-39836 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-39836 affect?
CVE-2022-39836 affects diagnostic log and trace. Severity is 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 file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There i
How urgent is CVE-2022-39836?
Priority 34/100. Public exploit reference
Related CVEs
- CVE-2022-39837 MEDIUM 5.5 UPGRADE An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8
- CVE-2022-31291 HIGH 7.5 DOWNGRADE MITIGATE An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted
- CVE-2021-29507 MEDIUM 5.7 UPGRADE GENIVI Diagnostic Log and Trace (DLT) provides a log and trace interface
- CVE-2020-36244 CRITICAL 9.8 UPGRADE MITIGATE The daemon in GENIVI diagnostic log and trace (DLT), is vulnerable to a heap-based buffer overflow that could
- CVE-2020-29394 HIGH 7.8 UPGRADE MITIGATE A buffer overflow in the dlt_filter_load function in dlt_common.c from dlt-daemon through 2.18.5 (GENIVI Diagn