CVE catalog
CVE-2021-36086
libsepol: CVE-2021-36086
- Severity
- Low · CVSS 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.60% · Oct 25, 2026
The CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_classperms_set and cil_reset_classperms_list).
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libsepol | sid | 3.11-1 | fixed |
| Debian | libsepol | forky | 3.11-1 | fixed |
| Debian | libsepol | trixie | 3.8.1-1 | fixed |
| Debian | libsepol | bookworm | 3.4-2.1 | fixed |
| Cpe | debian_linux | Not reported | Not reported | unknown |
| Cpe | active_iq_unified_manager | Not reported | Not reported | unknown |
| Cpe | bootstrap_os | Not reported | Not reported | unknown |
| Cpe | h610c_firmware | Not reported | Not reported | unknown |
| Cpe | h610s_firmware | Not reported | Not reported | unknown |
| Cpe | h615c_firmware | Not reported | Not reported | unknown |
| Cpe | selinux | Not reported | 3.3 | fixed |
| Cpe | fedora | Not reported | Not reported | unknown |
| Ubuntu | libsepol | 18.04 | 2.7-1 | vulnerable |
| Ubuntu | libsepol | 18.04 | 2.7-1ubuntu0.1 | fixed |
| Ubuntu | libsepol | 20.04 | 2.9-2 | vulnerable |
| Ubuntu | libsepol | 20.04 | 3.0-1 | vulnerable |
| Ubuntu | libsepol | 20.04 | 3.0-1ubuntu0.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libsepol | source | sid | 3.3-1 | not yet assigned | Not reported | [990526] |
| Debian | libsepol | source | forky | 3.3-1 | not yet assigned | Not reported | [990526] |
| Debian | libsepol | source | trixie | 3.3-1 | not yet assigned | Not reported | [990526] |
| Debian | libsepol | source | bookworm | 3.3-1 | not yet assigned | Not reported | [990526] |
| Cpe | selinux | cpe | Not reported | 3.3 | Not reported | NVD-CVE-2021-36086 | Not reported |
| Ubuntu | libsepol | deb | 18.04 | 2.7-1ubuntu0.1 | Not reported | UBUNTU-CVE-2021-36086 | Not reported |
| Ubuntu | libsepol | deb | 20.04 | 3.0-1ubuntu0.1 | Not reported | UBUNTU-CVE-2021-36086 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libsepol2]Fixed
Source package: [libsepol]
Details (2)
3.4-2.1· amd64 · bookwormFixed · Fixed:
3.3-1dsa · libsepol · debian · bookworm
3.4-2.1· arm64 · bookwormFixed · Fixed:
3.3-1dsa · libsepol · debian · bookworm
- [libsepol-dev]Fixed
Source package: [libsepol]
Details (2)
3.4-2.1· amd64 · bookwormFixed · Fixed:
3.3-1dsa · libsepol · debian · bookworm
3.4-2.1· arm64 · bookwormFixed · Fixed:
3.3-1dsa · libsepol · debian · bookworm
- [sepol-utils]Fixed
Source package: [libsepol]
Details (2)
3.4-2.1· amd64 · bookwormFixed · Fixed:
3.3-1dsa · libsepol · debian · bookworm
3.4-2.1· arm64 · bookwormFixed · Fixed:
3.3-1dsa · libsepol · debian · bookworm
Observed:
References
- [https://access.redhat.com/errata/RHSA-2021:4513]
- [https://cert-portal.siemens.com/productcert/csaf/ssa-398330.json]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_4513.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2021-36086]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-36086]
- [https://security-tracker.debian.org/tracker/CVE-2021-36086]
- [https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0571.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]