CVE-2021-27212

In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 94%
VendorProductVersion
openldapopenldap
𝑥
≤ 2.4.57
openldapopenldap
2.5.0:alpha
openldapopenldap
2.5.1:alpha
debiandebian_linux
9.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openldap
bullseye (security)
2.4.57+dfsg-3+deb11u1
fixed
bullseye
2.4.57+dfsg-3+deb11u1
fixed
bookworm
2.5.13+dfsg-5
fixed
sid
2.5.18+dfsg-3
fixed
trixie
2.5.18+dfsg-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openldap
noble
Fixed 2.4.57+dfsg-2ubuntu1
released
mantic
Fixed 2.4.57+dfsg-2ubuntu1
released
lunar
Fixed 2.4.57+dfsg-2ubuntu1
released
kinetic
Fixed 2.4.57+dfsg-2ubuntu1
released
jammy
Fixed 2.4.57+dfsg-2ubuntu1
released
impish
Fixed 2.4.57+dfsg-2ubuntu1
released
hirsute
Fixed 2.4.57+dfsg-2ubuntu1
released
groovy
Fixed 2.4.53+dfsg-1ubuntu1.4
released
focal
Fixed 2.4.49+dfsg-2ubuntu1.7
released
bionic
Fixed 2.4.45+dfsg-1ubuntu1.10
released
xenial
Fixed 2.4.42+dfsg-2ubuntu3.13
released
trusty
needed