PatchTheCVECVE-2024-22087: route in main.c in Pico HTTP Server in C through f3b69a6 has an sprintf stack-based buffer overflow via a long
CVE-2024-22087 is a critical-severity flaw (CVSS 9.8) affecting pico http server in c. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
route in main.c in Pico HTTP Server in C through f3b69a6 has an sprintf stack-based buffer overflow via a long URI, leading to remote code execution.
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.6% (top 24%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2024-01-05 |
| 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-2024-22087?
pico http server in c: upgrade to newer than 2021-04-02. Exact commands for each OS are on this page.
Is CVE-2024-22087 being exploited?
CVE-2024-22087 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-2024-22087 affect?
CVE-2024-22087 affects pico http server in c. Severity is critical (CVSS 9.8). route in main.c in Pico HTTP Server in C through f3b69a6 has an sprintf stack-based buffer overflow via a long URI, leading to remote code execution.
How urgent is CVE-2024-22087?
Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action