CVE-2026-6653
A remote, anonymous attacker can exploit a vulnerability in libxml2 to conduct a denial of service attack.
CSIRTS triage
- What
- A vulnerability allows a remote, anonymous attacker to conduct a denial of service attack.
- Who is affected
- Deployments of libxml2 are affected.
- Urgency
- Remediation is medium urgency as exploitation is possible but not currently active.
- Action
- Update to the latest version of libxml2.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] libxml2: Vulnerability allows denial of servicecert-bund · 2026-07-08
External references
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[](https://www.csirts.com/cve/CVE-2026-6653)