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CVE-2025-9086VulnerabilityPublished Updated

Red Hat Security Advisory: curl security update

Affects Red Hat curlSource GCVE Database

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Not known to be exploited.

Data as of 5 Nov 2026, 18:06 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 10.0 Extended Update Support should apply the security update as described in Red Hat advisory RHSA-2026:1477. The vendor provides detailed instructions for applying the update at https://access.redhat.com/articles/11258. No additional mitigation steps are required beyond applying the official patch.

Description

A moderate severity security vulnerability (CVE-2025-9086) affects the curl library used for downloading files via various protocols. The flaw involves an out-of-bounds read in the cookie path handling within libcurl. Red Hat has issued an update for their Enterprise Linux 10.0 Extended Update Support releases to address this issue. No public exploit or active exploitation is known. Users of affected Red Hat Enterprise Linux 10.0 versions should apply the provided security update to remediate the vulnerability.

References

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