| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3399-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| 389-ds-base (PTS) | jessie, jessie (lts) | 1.3.3.5-4+deb8u7 | vulnerable |
| stretch | 1.3.5.17-2 | fixed |
| buster (security), buster, buster (lts) | 1.4.0.21-1+deb10u1 | fixed |
| bullseye | 1.4.4.11-2 | vulnerable |
| bookworm | 2.3.1+dfsg1-1 | fixed |
| sid | 3.1.1+dfsg1-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - 389-ds-base <no-dsa> (Minor issue)
[stretch] - 389-ds-base <not-affected> (Vulnerable code introduced later)
https://bugzilla.redhat.com/show_bug.cgi?id=2030307
Introduced by: https://github.com/389ds/389-ds-base/commit/74c666b83e3e1789c2ef3f7935c327bd7555193e (389-ds-base-1.3.6.4)
Fixed by: https://github.com/389ds/389-ds-base/commit/3553bce44d95e70f2cf13f26bb8866ecde9f7a7b (389-ds-base-2.0.15)
Fixed by: https://github.com/389ds/389-ds-base/commit/a3c298f8140d3e4fa1bd5a670f1bb965a21a9b7b (389-ds-base-2.2.0)