CVE-2021-3518

HighCVSS 8.8/10Last modified Oct 14, 2026

Description

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 18, 2021
Last modified
Oct 14, 2026
NVD status
Modified

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CVE-2021-3518: High severity, CVSS 8.8 | Vulnix