CVE-2001-0977 json
slapd in OpenLDAP 1.x before 1.2.12, and 2.x before 2.0.8, allows remote attackers to cause a denial of service (crash) via an invalid Basi…
published 2001-07-16 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0959
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.1%
- EPSS 4.1% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
slapd in OpenLDAP 1.x before 1.2.12, and 2.x before 2.0.8, allows remote attackers to cause a denial of service (crash) via an invalid Basic Encoding Rules (BER) length field.
Patch / fix
- linux-mandrake.com/en/security/2001/MDKSA-2001-069.php3 advisory
- cert.org/advisories/CA-2001-18.html advisory
- kb.cert.org/vuls/id/935800 advisory
- securityfocus.com/bid/3049 advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2001-0977 updated
security flaw
-
Red Hat Linux 6.2 Red Hat Linux 7.0 Red Hat Linux 7.1fixed: vendor fix RHSA-2001:098
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
4.09% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
linux-mandrake.com
/en/security/2001/MDKSA-2001-069.php3
vendor-advisory, patch
-
cert.org
/advisories/CA-2001-18.html
third-party-advisory, patch, us-government-resource
-
kb.cert.org
/vuls/id/935800
third-party-advisory, patch, us-government-resource
-
securityfocus.com
/bid/3049
vdb-entry, patch, vendor-advisory
-
redhat.com
/support/errata/RHSA-2001-098.html
vendor-advisory
-
debian.org
/security/2001/dsa-068
vendor-advisory
-
distro.conectiva.com.br
/atualizacoes/?id=a&anuncio=000417
vendor-advisory
-
osvdb.org
/1905
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/6904
vdb-entry
Sources
- CVE List CVE-2001-0977
- NVD CVE-2001-0977
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.