Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 8.7 High.
Data as of 13 Nov 2026, 05:27 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 8.7 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 7.5 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 3 Nov 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 13 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| RsyncProjectrsync | Affected
| Fixed in– |
GitHubrsyncpkg:github/rsyncOther 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
Until a fix is released, mitigate risk by restricting network access to rsync daemon modules to trusted clients only, disabling unauthenticated delta file transfers from untrusted receivers, applying CPU resource limits (e.g., ulimit or prlimit) to rsync worker processes to contain excessive CPU consumption, and throttling incoming connection rates and concurrent sessions per IP address to limit potential denial of service attempts. Applying the upstream patch when it becomes available is recommended for full remediation.
Description
A vulnerability in rsync allows an unauthenticated remote attacker to cause a denial of service (DoS) by sending crafted checksum sequences during delta file transfers to a public rsync server. This triggers excessive CPU consumption due to repeated checksum computations, potentially disrupting service availability for legitimate users. The issue affects deployments that serve files to untrusted receivers via the rsync daemon. No official patch is currently available, but mitigations such as restricting network access, applying CPU limits, and throttling connections can reduce risk.
References
- access.redhat.com/errata/RHSA-2026:94806 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-119741 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- images.redhat.com (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_94806.json (opens in a new tab)