High severity7.5NVD Advisory· Published May 20, 2021· Updated Jun 17, 2026
CVE-2021-3480
CVE-2021-3480
Description
A flaw was found in slapi-nis in versions before 0.56.7. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated attacker to crash the 389-ds-base directory server. The highest threat from this vulnerability is to system availability.
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Affected products
17- slapi-nis/slapi-nisdescription
- osv-coords12 versionspkg:rpm/almalinux/bind-dyndb-ldappkg:rpm/almalinux/custodiapkg:rpm/almalinux/opendnssecpkg:rpm/almalinux/python3-custodiapkg:rpm/almalinux/python3-jwcryptopkg:rpm/almalinux/python3-kdcproxypkg:rpm/almalinux/python3-pyusbpkg:rpm/almalinux/python3-qrcodepkg:rpm/almalinux/python3-qrcode-corepkg:rpm/almalinux/python3-yubicopkg:rpm/almalinux/softhsmpkg:rpm/almalinux/softhsm-devel
< 11.6-2.module_el8.5.0+2603+92118e57+ 11 more
- (no CPE)range: < 11.6-2.module_el8.5.0+2603+92118e57
- (no CPE)range: < 0.6.0-3.module_el8.6.0+2881+2f24dc92
- (no CPE)range: < 2.1.7-1.module_el8.6.0+2881+2f24dc92
- (no CPE)range: < 0.6.0-3.module_el8.6.0+2881+2f24dc92
- (no CPE)range: < 0.5.0-1.module_el8.5.0+2603+92118e57
- (no CPE)range: < 0.4-5.module_el8.5.0+2603+92118e57
- (no CPE)range: < 1.0.0-9.module_el8.5.0+2603+92118e57
- (no CPE)range: < 5.1-12.module_el8.5.0+2603+92118e57
- (no CPE)range: < 5.1-12.module_el8.6.0+2737+7e73ea90
- (no CPE)range: < 1.3.2-9.module_el8.6.0+2737+7e73ea90
- (no CPE)range: < 2.6.0-5.module_el8.5.0+2603+92118e57
- (no CPE)range: < 2.6.0-5.module_el8.6.0+2881+2f24dc92
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVQCDRQRFHXVR3Z3FQYM3UMC7QZUDDRJ/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXMOMPTZTGOVFOZUUNXHOVCAYIPST74W/nvd
News mentions
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