PatchTheCVECVE-2021-38479: Many API function codes receive raw pointers remotely from the user and trust these pointers as valid in-bound
CVE-2021-38479 is a medium-severity flaw (CVSS 6.5) affecting versiondog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Many API function codes receive raw pointers remotely from the user and trust these pointers as valid in-bound memory regions. An attacker can manipulate API functions by writing arbitrary data into the resolved address of a raw pointer.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.9% (top 40%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2021-10-22 |
| 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-2021-38479?
versiondog: upgrade to 8.0.0. Exact commands for each OS are on this page.
Is CVE-2021-38479 being exploited?
CVE-2021-38479 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-2021-38479 affect?
CVE-2021-38479 affects versiondog. Severity is medium (CVSS 6.5). Many API function codes receive raw pointers remotely from the user and trust these pointers as valid in-bound memory regions. An attacker can manipulate API functions by writing arbitrary data into the resolved address of a raw pointer.
How urgent is CVE-2021-38479?
Priority 38/100. No elevated risk signals yet.
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