Unrated severityNVD Advisory· Published Feb 18, 2022· Updated Nov 3, 2025
CVE-2021-4091
CVE-2021-4091
Description
A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly, and crash.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
31- 389-ds-base/389-ds-basedescription
- osv-coords29 versionspkg:rpm/almalinux/389-ds-basepkg:rpm/almalinux/389-ds-base-develpkg:rpm/almalinux/389-ds-base-legacy-toolspkg:rpm/almalinux/389-ds-base-libspkg:rpm/almalinux/389-ds-base-snmppkg:rpm/almalinux/python3-lib389pkg:rpm/opensuse/389-ds&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/389-ds&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/389-ds&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/389-ds&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/389-ds&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/389-ds&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/389-ds&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/389-ds&distro=SUSE%20Manager%20Server%204.1
< 1.4.3.23-14.module_el8.5.0+2628+c731dc97+ 28 more
- (no CPE)range: < 1.4.3.23-14.module_el8.5.0+2628+c731dc97
- (no CPE)range: < 1.4.3.23-14.module_el8.5.0+2628+c731dc97
- (no CPE)range: < 1.4.3.23-14.module_el8.5.0+2628+c731dc97
- (no CPE)range: < 1.4.3.23-14.module_el8.5.0+2628+c731dc97
- (no CPE)range: < 1.4.3.23-14.module_el8.5.0+2628+c731dc97
- (no CPE)range: < 1.4.3.23-14.module_el8.5.0+2628+c731dc97
- (no CPE)range: < 1.4.4.19~git38.9951c1101-150300.3.17.1
- (no CPE)range: < 2.0.15~git26.1ea6a6803-150400.3.5.1
- (no CPE)range: < 1.4.2.16~git68.efa843752-150100.7.34.1
- (no CPE)range: < 1.4.3.30~git2.ca761af4b-150200.3.29.1
- (no CPE)range: < 1.4.2.16~git68.efa843752-150100.7.34.1
- (no CPE)range: < 1.4.2.16~git68.efa843752-150100.7.34.1
- (no CPE)range: < 1.4.3.30~git2.ca761af4b-150200.3.29.1
- (no CPE)range: < 1.4.3.30~git2.ca761af4b-150200.3.29.1
- (no CPE)range: < 1.4.0.31~git15.8b9843b0b-150000.4.27.1
- (no CPE)range: < 1.4.0.31~git15.8b9843b0b-150000.4.27.1
- (no CPE)range: < 1.4.4.19~git38.9951c1101-150300.3.17.1
- (no CPE)range: < 2.0.15~git26.1ea6a6803-150400.3.5.1
- (no CPE)range: < 1.4.2.16~git68.efa843752-150100.7.34.1
- (no CPE)range: < 1.4.2.16~git68.efa843752-150100.7.34.1
- (no CPE)range: < 1.4.3.30~git2.ca761af4b-150200.3.29.1
- (no CPE)range: < 1.4.3.30~git2.ca761af4b-150200.3.29.1
- (no CPE)range: < 1.4.0.31~git15.8b9843b0b-150000.4.27.1
- (no CPE)range: < 1.4.0.31~git15.8b9843b0b-150000.4.27.1
- (no CPE)range: < 1.4.2.16~git68.efa843752-150100.7.34.1
- (no CPE)range: < 1.4.3.30~git2.ca761af4b-150200.3.29.1
- (no CPE)range: < 1.4.3.30~git2.ca761af4b-150200.3.29.1
- (no CPE)range: < 1.4.3.30~git2.ca761af4b-150200.3.29.1
- (no CPE)range: < 1.4.3.30~git2.ca761af4b-150200.3.29.1
Patches
Vulnerability mechanics
References
2News mentions
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