Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4 Security update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 7.5 High : upgrade Red Hat undertow-core to 2.3.17.Final or 2.2.36.Final soon.
Data as of 3 Nov 2026, 18:13 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.5 |
|---|
- Patch
- Available – fixed in 2.3.17.Final, 2.2.36.Final
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 21 Aug 2024
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 3 Nov 2026.
What to do
Upgrade undertow to 2.3.17.Final or 2.2.36.Final.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| undertow | Affected
| Fixed in
|
| undertow | Affected
| Fixed in
|
Mavenio.undertow/undertow-corepkg:maven/io.undertow/undertow-coreOther threats | Affected
| Fixed in– |
GitHubundertowpkg:github/undertowOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released an official security update for JBoss Enterprise Application Platform 7.4 that fixes this vulnerability. Users should apply this update after ensuring all previously released errata are installed and backing up their existing installations, including applications and configurations. Follow Red Hat's official guidance for applying the update as detailed in their advisory. No additional mitigation steps are indicated beyond applying the patch.
Description
Red Hat JBoss Enterprise Application Platform 7.4 has a security vulnerability in the undertow component where improper state management during Proxy Protocol parsing can lead to information leakage. This issue is addressed in a security update released by Red Hat. The vulnerability is rated as important by Red Hat Product Security. Users of JBoss EAP 7.4 on RHEL 7, 8, and 9 are advised to apply the update after ensuring all previous errata are applied and backing up their systems.
References
- access.redhat.com/errata/RHSA-2024:7736 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/7.4 (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/7.4/html-single/installation_guide/index (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2305290 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_7736.json (opens in a new tab)