PatchTheCVECVE-2018-3767: `memjs` versions <= 1.1.0 allocates and stores buffers on typed input, resulting in DoS and uninitialized memo
CVE-2018-3767 is a critical-severity flaw (CVSS 9.1) affecting memjs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
`memjs` versions <= 1.1.0 allocates and stores buffers on typed input, resulting in DoS and uninitialized memory usage.
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 | 9.1 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.5% (top 27%) |
| CISA exploited list | No |
| Weakness | CWE-400 |
| Published | 2018-07-05 |
| 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-2018-3767?
memjs: upgrade to newer than 1.1.0. Exact commands for each OS are on this page.
Is CVE-2018-3767 being exploited?
CVE-2018-3767 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-2018-3767 affect?
CVE-2018-3767 affects memjs. Severity is critical (CVSS 9.1). `memjs` versions <= 1.1.0 allocates and stores buffers on typed input, resulting in DoS and uninitialized memory usage.
How urgent is CVE-2018-3767?
Priority 60/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action