Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 7.5 High · fixed in Red Hat package updates : patch Red Hat soon.
Data as of 29 Oct 2026, 10:37 UTC
Thin evidence
One scorer or none| CNA (mitre) | CVSS 3.1 | 7.5 |
|---|
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.5-dev9, 3.4.6, 3.3.17 +7
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 22 Oct 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
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| HAProxyHAProxy | Affected
| Fixed in
|
| HAProxyHAProxy | Affected
| Fixed in
|
| HAProxyHAProxy | Affected
| Fixed in
|
| HAProxyHAProxy | Affected
| Fixed in
|
| HAProxyHAProxy Enterprise Edition | Affected
| Fixed in
|
| HAProxyHAProxy Enterprise Edition | Affected
| Fixed in
|
AI-suggested
Red Hat has released updated packages (haproxy-3.0.30-0.1.hum1) for Red Hat Hardened Images RPMs that fix this vulnerability. Users should apply this update as soon as possible to remediate the issue. No other mitigations or workarounds are specified in the advisory.
Description
A vulnerability in HAProxy allows a remote unauthenticated attacker to cause a Denial of Service (DoS) by sending a truncated HTTP/2 PING frame. The server fails to properly handle the incomplete frame, causing worker threads to spin indefinitely and exhaust CPU resources, potentially making the service unresponsive. Red Hat has released an update for Red Hat Hardened Images RPMs including haproxy-3.0.30-0.1.hum1 to address this issue.
References
- access.redhat.com/errata/RHSA-2026:83844 (opens in a new tab)
- images.redhat.com (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-110353 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_83844.json (opens in a new tab)