Search/CVE-2021-3516
● CVE — High

CVE-2021-3516

Vendordebian, fedoraproject, redhat, netapp, oracleProductdebian linux, fedora, enterprise linux, clustered data ontap, jboss core services, zfs storage appliance kit, ontap select deploy administration utility, clustered data ontap antivirus connector, xmllintDiscoveredJun 1, 2021UpdatedNov 21, 2024

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 v3.1
7.8 HIGH
EPSS
2.04%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▲ 0.07pp
1.97% → 2.04% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Timeline
disclosure → media coverage
Jun 1, 2021
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024
Public PoC (1)
Unverified third-party code — review before executing.