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 7.4 High.
Data as of 30 Oct 2026, 00:00 UTC
Thin evidence
One scorer or none| CNA (hackerone) | CVSS 3.0 | 7.4 |
|---|
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 23 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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| nodejsnode | Affected
| Fixed in– |
AI-suggested
Red Hat has released updated RPM packages for Node.js and related components that fix this vulnerability. Users should apply these updates as provided in the advisory. Additionally, applications should avoid passing untrusted strings containing embedded NUL bytes to dns.resolve, reject such hostnames before DNS resolution, and restrict which components perform DNS lookups on attacker-influenced names. Network reachability of services performing such lookups should also be limited.
Description
A vulnerability in the Node.js DNS resolver APIs allows hostnames containing embedded NUL characters to be truncated during resolution, potentially causing applications to resolve and act on unintended hostnames. This flaw affects Red Hat Hardened Images RPMs that include Node.js components. Exploitation requires an attacker to supply a hostname with an embedded NUL character to the dns.resolve API, and the application must rely on the resolved records. The issue can lead to confidentiality and integrity impacts comparable to connecting to a wrong host. Red Hat has released updated RPMs addressing this issue.
References
- access.redhat.com/errata/RHSA-2026:87702 (opens in a new tab)
- images.redhat.com (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-105482 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-105483 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_87702.json (opens in a new tab)