CVE-2021-3516
7.8 HIGHThere's a flaw in libxml2's xmllint in versions before 2.9.11
Published: 2021-06-01 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.8 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CWE
- CWE-416
Affected products
| Vendor | Product |
|---|---|
| debian | clustered_data_ontap, clustered_data_ontap_antivirus_connector, debian_linux |
| fedoraproject | clustered_data_ontap, clustered_data_ontap_antivirus_connector, debian_linux |
| netapp | clustered_data_ontap, clustered_data_ontap_antivirus_connector, debian_linux |
| oracle | clustered_data_ontap, clustered_data_ontap_antivirus_connector, debian_linux |
| redhat | clustered_data_ontap, clustered_data_ontap_antivirus_connector, debian_linux |
| xmlsoft | clustered_data_ontap, clustered_data_ontap_antivirus_connector, debian_linux |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3516
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=1954225
- [Patch]https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539
- [Exploit reference]https://gitlab.gnome.org/GNOME/libxml2/-/issues/230
- [Other]https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
- [Other]https://security.gentoo.org/glsa/202107-05
- [Other]https://security.netapp.com/advisory/ntap-20210716-0005/
- [Patch]https://www.oracle.com/security-alerts/cpujan2022.html
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=1954225
- [Patch]https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539
- [Exploit reference]https://gitlab.gnome.org/GNOME/libxml2/-/issues/230
- [Other]https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
- [Other]https://security.gentoo.org/glsa/202107-05
- [Other]https://security.netapp.com/advisory/ntap-20210716-0005/
- [Patch]https://www.oracle.com/security-alerts/cpujan2022.html
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