QID 751387

Date Published: 2021-11-24

QID 751387: SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:3721-1)

This update for mozillafirefox fixes the following issues: mozillafirefox was updated to extended support release 91.3.0 esr * fixed: various stability, functionality, and security fixes mfsa 2021-49 (bsc#1192250) * cve-2021-38503: iframe sandbox rules did not apply to xslt stylesheets * cve-2021-38504: use-after-free in file picker dialog * cve-2021-38505: windows 10 cloud clipboard may have recorded sensitive user data * cve-2021-38506: firefox could be coaxed into going into fullscreen mode without notification or warning * cve-2021-38507: opportunistic encryption in http2 could be used to bypass the same-origin-policy on services hosted on other ports * cve-2021-38508: permission prompt could be overlaid, resulting in user confusion and potential spoofing * cve-2021-38509: javascript alert box could have been spoofed onto an arbitrary domain * cve-2021-38510: download protections were bypassed by .inetloc files on mac os * moz-2021-0008: use-after-free in http2 session object * moz-2021-0007: memory safety bugs fixed in firefox 94 and firefox esr 91.3

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 Medium - 4.2 severity.
  • CVSS V2 rated as Medium - 5.4 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-2021:3721-1 to address this issue and obtain further details.
    Vendor References

    CVEs related to QID 751387

    CVE-2021-38506 | CVE-2021-38505 | CVE-2021-38510 | CVE-2021-38508 | CVE-2021-38509 | CVE-2021-38507 | CVE-2021-38504 | CVE-2021-38503 |
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:3721-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-November/009741.html
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