CVE-2021-3517
HIGH8.6EPSS 0.11%Nokogiri contains libxml Out-of-bounds Write vulnerability
發布日:2022/5/24修改日:2026/4/28
描述
There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.
受影響套件(3)
- Alpine/libxml2from 0, < 2.9.9-r5
- Debian/libxml2from 0, < 2.9.10+dfsg-6.6
- RubyGems/nokogirifrom 0, < 1.11.4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
參考連結(20)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-3517
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2021-3517
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-3517
- PATCHhttps://github.com/sparklemotion/nokogiri
- WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=1954232
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2021-3517.yml
- WEBhttps://github.com/sparklemotion/nokogiri/blob/7c19ef5cc6b7c5c36827dd5495f857c6877ec8cf/CHANGELOG.md?plain=1#L579
- WEBhttps://github.com/sparklemotion/nokogiri/issues/2233
- WEBhttps://github.com/sparklemotion/nokogiri/issues/2274
- WEBhttps://gitlab.gnome.org/GNOME/libxml2/-/commit/8598060bacada41a0eb09d95c97744ff4e428f8e
- WEBhttps://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV
- WEBhttps://security.gentoo.org/glsa/202107-05
- WEBhttps://security.netapp.com/advisory/ntap-20210625-0002
- WEBhttps://security.netapp.com/advisory/ntap-20211022-0004
- WEBhttps://www.oracle.com/security-alerts/cpuapr2022.html
- WEBhttps://www.oracle.com/security-alerts/cpujan2022.html
- WEBhttps://www.oracle.com/security-alerts/cpujul2022.html
- WEBhttps://www.oracle.com/security-alerts/cpuoct2021.html