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OpenAdvisories
Medium ELSA-2021-2569 5 CVEs

Moderate: libxml2 security update (Oracle Linux 8)

Published Jul 3, 2021 · Updated Jul 3, 2021

Ecosystem: Oracle Linux

Summary

[2.9.7-9.0.1]
- Update doc/redhat.gif in tarball
- Add libxml2-oracle-enterprise.patch and update logos in tarball

[2.9.7-9.2]
- Fix CVE-2021-3541 (#1958783)

[2.9.7-9.1]
- Fix CVE-2021-3516 (#1956975)
- Fix CVE-2021-3517 (#1957000)
- Fix CVE-2021-3518 (#1957027)
- Fix CVE-2021-3537 (#1957283)

Fixed packages 3

ReleasePackageFixed in
Oracle Linux · 8 libxml2 0:2.9.7-9.0.1.el8_4.2
Oracle Linux · 8 libxml2-devel 0:2.9.7-9.0.1.el8_4.2
Oracle Linux · 8 python3-libxml2 0:2.9.7-9.0.1.el8_4.2

Vulnerabilities 5

  • High 8.8
    CVE-2021-3518 EPSS 22%

    Nokogiri Implements libxml2 version vulnerable to use-after-free

    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, an…

    libxml2 libxml2 nokogiri libxml2 Debian Ubuntu Alpine RubyGems
  • High 8.6
    CVE-2021-3517 EPSS 17%

    Nokogiri contains libxml Out-of-bounds Write vulnerability

    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 …

    qt5-qtwebengine libxml2 libxml2 nokogiri Debian Ubuntu Alpine RubyGems
  • Medium 5.9
    CVE-2021-3537

    Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing

    A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used …

    libxml2 libxml2 nokogiri libxml2 Debian Ubuntu Alpine RubyGems
  • Unscored —
    CVE-2021-3516

    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 p…

    libxml2 libxml2 Debian Ubuntu
  • Unscored —
    CVE-2021-3541

    A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechani…

    qt5-qtwebengine libxml2 libxml2 libxml2 Debian Ubuntu Alpine