Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (python-pyasn1) security update
Affects Red HatSource 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 22 Jun 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 python-pyasn1 packages for OpenStack Platform 17.1 on RHEL 8 that address this vulnerability. Users should apply the security update as described in the Red Hat advisory (RHSA-2026:28042) to remediate the issue. No additional mitigation steps are indicated beyond applying the official update.
Description
A denial of service vulnerability exists in the python-pyasn1 library used by Red Hat OpenStack Platform 17.1. The flaw is due to memory exhaustion caused by processing a malformed RELATIVE-OID. This issue is addressed in a security update provided by Red Hat.