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  5. CVE-2021-3518

CVE-2021-3518: Use After Free

May 18, 2021 (updated November 7, 2023)

There’s a flaw in libxml2 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.

References

  • seclists.org/fulldisclosure/2021/Jul/54
  • seclists.org/fulldisclosure/2021/Jul/55
  • seclists.org/fulldisclosure/2021/Jul/58
  • seclists.org/fulldisclosure/2021/Jul/59
  • bugzilla.redhat.com/show_bug.cgi?id=1954242
  • lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
  • lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
  • lists.debian.org/debian-lts-announce/2021/05/msg00008.html
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
  • nvd.nist.gov/vuln/detail/CVE-2021-3518
  • security.gentoo.org/glsa/202107-05
  • security.netapp.com/advisory/ntap-20210625-0002/
  • support.apple.com/kb/HT212601
  • support.apple.com/kb/HT212602
  • support.apple.com/kb/HT212604
  • support.apple.com/kb/HT212605
  • www.oracle.com/security-alerts/cpuoct2021.html

Code Behaviors & Features

Detect and mitigate CVE-2021-3518 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 2.9.11

Solution

Unfortunately, there is no solution available yet.

Impact 8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-416: Use After Free

Source file

nuget/libxml2.vc140_xp.mt.static.x86/CVE-2021-3518.yml

Spotted a mistake? Edit the file on GitLab.

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