CVE-2021-3518
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
RHSA-2021:2569: libxml2 security update (Moderate)
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 2.9.11-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.9.10+dfsg-6.6 |
| sid | Fixed | 2.9.10+dfsg-6.6 |
| forky | Fixed | 2.9.10+dfsg-6.6 |
| bullseye | Fixed | 2.9.10+dfsg-6.6 |
| bookworm | Fixed | 2.9.10+dfsg-6.6 |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
References
- https://nokogiri.org/CHANGELOG.html#1114-2021-05-14
- https://www.suse.com/security/cve/CVE-2021-3518.html
- https://errata.rockylinux.org/RLSA-2021:2569
- https://security-tracker.debian.org/tracker/CVE-2021-3518
- https://nvd.nist.gov/vuln/detail/CVE-2021-3518
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://support.apple.com/kb/HT212605
- https://support.apple.com/kb/HT212604
- https://support.apple.com/kb/HT212602
- https://support.apple.com/kb/HT212601
- https://security.netapp.com/advisory/ntap-20210625-0002
- https://security.gentoo.org/glsa/202107-05
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6
- https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://github.com/sparklemotion/nokogiri/blob/2edbbef95f1dc12c1ddc5ebda71b9159026245fe/CHANGELOG.md?plain=1#L722
- https://github.com/sparklemotion/nokogiri
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2021-3518.yml
- https://bugzilla.redhat.com/show_bug.cgi?id=1954242
- http://seclists.org/fulldisclosure/2021/Jul/54
- http://seclists.org/fulldisclosure/2021/Jul/55
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.