CVE-2021-3516
HIGH7.8EPSS 0.38%libxml2 - security update
Published: 6/1/2021Modified: 4/28/2026
Description
There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.
Affected packages (2)
- Debian/libxml2from 0, < 2.9.10+dfsg-6.6
- Debian/libxml2from 0, < 2.9.4+dfsg1-2.2+deb9u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |