VulnerabilityModified
CVE-2021-4091
An attacker could send a series of search requests, forcing the server to behave unexpectedly, and crash.
HIGH 7.5EPSS 2.01%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.01% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- port389/389-ds-base · redhat/enterprise linux desktop · redhat/enterprise linux for ibm z systems · redhat/enterprise linux for power big endian · redhat/enterprise linux for power little endian · redhat/enterprise linux for scientific computing · redhat/enterprise linux server · redhat/enterprise linux workstation
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2030307Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2030307Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00015.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.