Red Hat Security Advisory: curl security update
Affects Red Hat curlSource GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 18:17 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 18 Dec 2025
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 5 Nov 2026.
What to do
AI-suggested
Red Hat has released updated curl packages that fix this vulnerability. Users running Red Hat Enterprise Linux 8 should apply the security update as described in Red Hat advisory RHSA-2025:23383 and the associated article https://access.redhat.com/articles/11258. Applying the official patch fully mitigates the issue.
Description
A moderate severity security vulnerability (CVE-2025-9086) affects the curl packages in Red Hat Enterprise Linux 8. The flaw is an out-of-bounds read in libcurl related to cookie path handling. Red Hat has issued an update to address this issue in multiple architectures of RHEL 8. Users are advised to apply the provided security update to mitigate the risk.