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 should apply the security update as described in the Red Hat advisory RHSA-2026:67585 and the update instructions at https://access.redhat.com/articles/11258. Applying this update remediates the issue. No additional mitigation steps are indicated by the vendor.
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 9 and related variants. The vulnerability has been rated as moderate severity by Red Hat Product Security. A security update addressing this issue is available and should be applied to affected systems.