CVE-2025-10990: Red Hat Satellite 6.16 for RHEL 8 · ReDoS
Affects Red Hat Satellite 6.16 for RHEL 8Source CVE Database V5
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.5 High.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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 27 Feb 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 HatRed Hat Satellite 6.16 for RHEL 8 | Affected– | Fixed in– |
| Red HatRed Hat Satellite 6.16 for RHEL 9 | Affected– | Fixed in– |
| Red HatRed Hat Satellite 6.17 for RHEL 9 | Affected– | Fixed in– |
| Red HatSatellite Client 6 for RHEL 8 | Affected– | Fixed in– |
| Red HatSatellite Client 6 for RHEL 9 | Affected– | Fixed in– |
AI-suggested
Red Hat has released security updates for Red Hat Satellite 6.16 and 6.17 on RHEL 8 and 9 that include a fix for this vulnerability. Users should apply these updates after ensuring all previously released errata relevant to their systems are applied. Detailed update instructions are available in the Red Hat Satellite documentation. Since this is an incomplete fix of a prior CVE, applying the latest patches is critical to fully remediate the issue.
Description
A flaw was found in REXML. A remote attacker could exploit inefficient regular expression (regex) parsing when processing hex numeric character references (&#x...;) in XML documents. This could lead to a Regular Expression Denial of Service (ReDoS), impacting the availability of the affected component. This issue is the result of an incomplete fix for CVE-2024-49761.
References
- access.redhat.com/errata/RHSA-2025:17606 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:17613 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:17693 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-10990 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2398216 (opens in a new tab)
- github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f (opens in a new tab)
- github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m (opens in a new tab)
- ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/ (opens in a new tab)