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CVE-2026-2291VulnerabilityPublished Updated

Bundesamt für Sicherheit in der Informationstechnik Amazon · dnsmasq: Mehrere Schwachstellen

Affects Bundesamt für Sicherheit in der Informationstechnik AmazonSource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited.

Data as of 13 Nov 2026, 11:52 UTC

Severity
High

Rated High by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

EPSS
0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  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), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

AI-suggested

Fixes for these vulnerabilities are available and should be applied promptly. Ubuntu users should update to the patched dnsmasq package versions listed in the Ubuntu security notice USN-8268-1. Red Hat Enterprise Linux 9 users should apply the updates provided in Red Hat advisory RHSA-2026:19373. Standard system updates will incorporate these fixes. No additional mitigation steps are indicated beyond applying the official patches.

Description

Multiple security vulnerabilities were identified and fixed in Dnsmasq, a lightweight DNS and DHCP server. These include heap buffer overflows, infinite loops, out-of-bounds reads, buffer overflows in helper processes, and validation bypasses. The issues could allow attackers to cause denial of service or execute arbitrary code. The vulnerabilities affect various Ubuntu LTS releases and Red Hat Enterprise Linux 9. Fixes are available through updated package versions distributed by Ubuntu and Red Hat.

References

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