DEBIAN-CVE-2021-3516

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2021-3516
Downstream
DLA-2653-1
Published: 01 Jun 2021, 14:15
Last modified:28 Apr 2026, 20:22

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

01 Jun 2021, 14:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:22
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • debian•libxml2

    < 2.9.10+dfsg-6.6 | < 2.9.10+dfsg-6.6 | < 2.9.10+dfsg-6.6 | < 2.9.10+dfsg-6.6

References (1)