Red Hat Security Advisory: resource-agents security update
Affects Red Hat resource-agentsSource GCVE Database
Not known to be exploited.
Data as of 31 Oct 2026, 20:20 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 55% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 16 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 31 Oct 2026.
What to do
AI-suggested
Red Hat has released updated resource-agents packages that fix this vulnerability. Users of Red Hat Enterprise Linux 8.4 High Availability should apply the security update as described in the Red Hat advisory RHSA-2026:2712. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Description
A security update for the resource-agents package in Red Hat Enterprise Linux addresses a denial of service vulnerability in the pyasn1 library. The flaw (CVE-2026-23490) involves memory exhaustion caused by malformed RELATIVE-OID data. This vulnerability affects high-availability service manager scripts that interface with various services. The update is rated as important by Red Hat Product Security and is available for Red Hat Enterprise Linux 8.4 High Availability variants.