CVE-2021-33586

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
inspircdinspircd
3.8.0 ≤
𝑥
< 3.10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
inspircd
bullseye
3.8.1-2
fixed
buster
not-affected
stretch
not-affected
bookworm
3.15.0-1
fixed
sid
3.17.0-1
fixed
trixie
3.17.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
inspircd
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://docs.inspircd.org/security/2021-01/
https://github.com/inspircd/inspircd/commit/4350a11c663b0d75f8119743bffb7736d87abd4d
https://security.gentoo.org/glsa/202107-22
https://docs.inspircd.org/security/2021-01/
https://github.com/inspircd/inspircd/commit/4350a11c663b0d75f8119743bffb7736d87abd4d
https://security.gentoo.org/glsa/202107-22