ADVISORIES

• CVE-2021-3518 (NVD)
• GHSA-v4f8-2847-rwm7
• Vendor Advisory

GEM

nokogiri

SEVERITY

CVSS v3.x: 8.8 (High)

PATCHED VERSIONS

• >= 1.11.4

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.

RELATED

• https://nvd.nist.gov/vuln/detail/CVE-2021-3518
• https://nokogiri.org/CHANGELOG.html#1114-2021-05-14
• https://nokogiri.org/CHANGELOG.html#security_8
• https://bugzilla.redhat.com/show_bug.cgi?id=1954242
• https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
• https://security.gentoo.org/glsa/202107-05
• https://security.netapp.com/advisory/ntap-20210625-0002/
• https://github.com/sparklemotion/nokogiri/blob/2edbbef95f1dc12c1ddc5ebda71b9159026245fe/CHANGELOG.md?plain=1#L722
• https://github.com/advisories/GHSA-v4f8-2847-rwm7