CVE-2024-22088: Lotos WebServer through 0.1.1 (commit 3eb36cc) has a use-after-free in buffer_avail() at buffer.h via a long U
CVE-2024-22088 is a critical-severity flaw (CVSS 9.8) affecting lotos webserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Lotos WebServer through 0.1.1 (commit 3eb36cc) has a use-after-free in buffer_avail() at buffer.h via a long URI, because realloc is mishandled.
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 | 0.7% (top 46%) |
| CISA exploited list | No |
| Weakness | CWE-416 |
| 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-2024-22088?
lotos webserver: upgrade to newer than 0.1.1. Exact commands for each OS are on this page.
Is CVE-2024-22088 being exploited?
CVE-2024-22088 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-2024-22088 affect?
CVE-2024-22088 affects lotos webserver. Severity is critical (CVSS 9.8). Lotos WebServer through 0.1.1 (commit 3eb36cc) has a use-after-free in buffer_avail() at buffer.h via a long URI, because realloc is mishandled.
How urgent is CVE-2024-22088?
Priority 58/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action