Double Free in Port389 389-ds-base
CVE-2021-4091
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.
Vulnerability class: Double Free
EPSS: 0.020 (78.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Port389 389-ds-base
- Redhat Enterprise_linux_desktop — versions 7
- Redhat Enterprise_linux_for_ibm_z_systems — versions 7.0
- Redhat Enterprise_linux_for_power_big_endian — versions 7.0
- Redhat Enterprise_linux_for_power_little_endian — versions 7.0
- Redhat Enterprise_linux_for_scientific_computing — versions 7.0
- Redhat Enterprise_linux_server — versions 7.0
- Redhat Enterprise_linux_workstation — versions 7.0
- N/a 389-ds-base — versions 389-ds-base-1.3.10.2
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (mailing-list)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-4091?
- CVE-2021-4091 is a high-severity vulnerability in Port389 389-ds-base, classified under Double Free. CVSS score: 7.5/10. Published 2022-02-18.
- How severe is CVE-2021-4091?
- High severity. CVSS v3 base score is 7.5 out of 10.