CVE-2020-7595 — libxml as used in nokogiri — CVE Details
libxml as used in Nokogiri has an infinite loop in a certain end-of-file situation
Summary
Advisory Timeline
- First published February 24, 2020 (2422 days ago).
- Last revised March 8, 2024 — 1473 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
gem install nokogiri -v 1.10.8
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (1)
Affects 1 ecosystem: rubygems (1).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| nokogiri | rubygems | 1.0.0, 1.0.1, 1.0.2, 1.0.3 (+113 more) | 1.10.8 |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-835
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-7595ADVISORY
- https://github.com/sparklemotion/nokogiri/issues/1992WEB
- https://www.oracle.com/security-alerts/cpuoct2021.htmlWEB
- https://www.oracle.com/security-alerts/cpujul2022.htmlWEB
- https://www.oracle.com/security-alerts/cpujul2020.htmlWEB
- https://www.oracle.com/security-alerts/cpuapr2022.htmlWEB
- https://usn.ubuntu.com/4274-1WEB
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08WEB
- https://security.netapp.com/advisory/ntap-20200702-0005WEB
- https://security.gentoo.org/glsa/202010-04WEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JDPF3AAVKUAKDYFMFKSIQSVVS3EEFPQHWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5R55ZR52RMBX24TQTWHCIWKJVRV6YAWIWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/545SPOI3ZPPNPX4TFRIVE4JVRTJRKULLWEB
- https://lists.debian.org/debian-lts-announce/2020/09/msg00009.htmlWEB
- https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076WEB
- https://github.com/sparklemotion/nokogiriPACKAGE
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2020-7595.ymlWEB
- https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdfWEB
- https://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.htmlWEB
Frequently Asked Questions
- What is CVE-2020-7595?
- libxml as used in Nokogiri has an infinite loop in a certain end-of-file situation This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
- How do I check if my project is affected by CVE-2020-7595?
- CVE-2020-7595 affects nokogiri. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-7595 and 200,000+ other known vulnerabilities.
Severity & Exploitability
High exploitability or significant impact. Prioritize remediation within days.
Also Known As
Related CVEs
- CVE-2021-41098HIGH
Improper Restriction of XML External Entity Reference (XXE) in Nokogiri on JRuby
- CVE-2021-30560HIGH
Nokogiri has vulnerable dependencies on libxml2 and libxslt
- CVE-2017-16932HIGH
Nokogiri gem, via libxml, is affected by DoS vulnerabilities
- CVE-2022-29181HIGH
Nokogiri Improperly Handles Unexpected Data Type
- CVE-2021-3537MEDIUM
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
- CVE-2026-57235MEDIUM
Nokogiri: Possible Out-of-Bounds Read in `Nokogiri::XML::NodeSet#[]`
- CVE-2026-79772MEDIUM
Nokogiri does not check the return value from xmlC14NExecute
- CVE-2026-57236LOW
Nokogiri: Possible Use-After-Free when `Nokogiri::XML::Document#encoding=` raises an exception
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