QID 750025

QID 750025: SUSE Enterprise Linux Security Update for libxml2 (SUSE-SU-2021:1654-1)

This update for libxml2 fixes the following issues: - cve-2021-3537: null pointer dereference in valid.c:xmlvalidbuildacontentmodel (bsc#1185698) - cve-2021-3518: fixed a use after free in xinclude.c:xmlxincludedoprocess (bsc#1185408).
- cve-2021-3517: fixed a heap based buffer overflow in entities.c:xmlencodeentitiesinternal (bsc#1185410).
- cve-2021-3516: fixed a use after free in entities.c:xmlencodeentitiesinternal (bsc#1185409).

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation allows attacker to compromise the system.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Upgrade to the latest package which contains the patch. To install this SUSE Security, Update use YaST online_update. Alternatively you can run the command listed for your product. To install packages using the command line interface, use command "yum update". Refer to Suse security advisory: SUSE-SU-2021:1654-1 to address this issue and obtain further details.
    Vendor References

    CVEs related to QID 750025

    CVE-2021-3517 | CVE-2021-3537 | CVE-2021-3518 | CVE-2021-3516 |
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:1654-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-May/008795.html
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