Red Hat Security Advisory: firewalld security update
Affects Red Hat firewalldSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 27 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10firewalld | Affected– | Fixed in– |
| Red Hat Enterprise Linux 10.0 Extended Update Supportfirewalld | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9firewalld | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9firewalld | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9.6 Extended Update Supportfirewalld | Affected– | Fixed in– |
| Red Hat Enterprise Linux 7firewalld | Affected– | Fixed in– |
AI-suggested
Red Hat has released updated firewalld packages that fix this vulnerability. Users of Red Hat Enterprise Linux 10.0 Extended Update Support should apply the security update as described in the Red Hat advisory RHSA-2026:67843 and the referenced article https://access.redhat.com/articles/11258. Applying this update will remediate the issue by correcting the D-Bus authorization checks. No additional mitigation steps are required beyond applying the official patch.
Description
A security vulnerability in firewalld allows a local unprivileged user to modify the firewall state due to improper authorization of a D-Bus setter. This issue affects Red Hat Enterprise Linux 10.0 Extended Update Support versions. The vulnerability is rated as moderate severity by Red Hat Product Security. A security update is available that addresses this issue by correcting the authorization checks.