Red Hat Security Advisory: python-pyasn1 security update
Affects Red Hat python-pyasn1Source GCVE Database
Not known to be exploited · fixed in Red Hat package updates : patch Red Hat python-pyasn1 soon.
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.
- Patch
- Available – fixed in 0.6.2
Exploitation evidence
Disclosed: evidence found.
CVE published 25 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 python-pyasn1 packages (version 0.6.2-1.el10_1) that fix this vulnerability. Users should apply the security update as described in the Red Hat advisory (https://access.redhat.com/articles/11258) 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 due to memory exhaustion triggered by malformed RELATIVE-OID inputs. This issue affects Red Hat Enterprise Linux 10 and related variants. Red Hat has issued a security advisory and released updated packages to address this vulnerability.