cve.bz

CVE-2021-33586

4.3 mediumEPSS 0.9%

Medium (4.3) in inspircd inspircd. EPSS 0.9% chance of exploitation in the next 30 days.

InspIRCd 3.8.0 through 3.9.x before 3.10.0 allows any user (able to connect to the server) to access recently deallocated memory, aka the "malformed PONG" issue.

Severity

CVSS 3.1

4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE
CWE-732
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON