What is RHSA-2021:4513?

RHSA-2021:4513 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: libsepol security update

Which CVE IDs does RHSA-2021:4513 cover?

RHSA-2021:4513 covers the following CVE IDs: CVE-2021-36084, CVE-2021-36085, CVE-2021-36086, CVE-2021-36087. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2021:4513?

RHSA-2021:4513 has a CVSS v3 base score of 3.3, published by Red Hat Product Security.

RHSA-2021:4513MediumCVSS 3.3

Red Hat Security Advisory: libsepol security update

Vendor

Red Hat Product Security

Published

November 9, 2021

Last Modified

June 25, 2026

🔗 CVE IDs covered (4)

CVE-2021-36084 →CVE-2021-36085 →CVE-2021-36086 →CVE-2021-36087 →

📋 Description

CVE-2021-36084 — libsepol: use-after-free in __cil_verify_classperms() CVE-2021-36085 — libsepol: use-after-free in __cil_verify_classperms() CVE-2021-36086 — libsepol: use-after-free in cil_reset_classpermission() CVE-2021-36087 — libsepol: heap-based buffer overflow in ebitmap_match_any()

🔗 References (8)

selfhttps://access.redhat.com/errata/RHSA-2021:4513
externalhttps://access.redhat.com/security/updates/classification/#moderate
externalhttps://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1979662
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1979664
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1979666
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1979668
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4513.json