alsa-2021:4130
Vulnerability from osv_almalinux
Published
2021-11-04 16:03
Modified
2021-11-12 10:20
Summary
Important: thunderbird security update
Details

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 91.3.0.

Security Fix(es):

  • Mozilla: Use-after-free in HTTP2 Session object

  • Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3

  • Mozilla: iframe sandbox rules did not apply to XSLT stylesheets (CVE-2021-38503)

  • Mozilla: Use-after-free in file picker dialog (CVE-2021-38504)

  • Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning (CVE-2021-38506)

  • Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports (CVE-2021-38507)

  • Mozilla: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing (CVE-2021-38508)

  • Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain (CVE-2021-38509)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "thunderbird"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "91.3.0-2.el8_4.alma"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "thunderbird"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "91.3.0-2.el8_4.alma.plus"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nThis update upgrades Thunderbird to version 91.3.0.\n\nSecurity Fix(es):\n\n* Mozilla: Use-after-free in HTTP2 Session object\n\n* Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3\n\n* Mozilla: iframe sandbox rules did not apply to XSLT stylesheets (CVE-2021-38503)\n\n* Mozilla: Use-after-free in file picker dialog (CVE-2021-38504)\n\n* Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning (CVE-2021-38506)\n\n* Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports (CVE-2021-38507)\n\n* Mozilla: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing (CVE-2021-38508)\n\n* Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain (CVE-2021-38509)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "ALSA-2021:4130",
  "modified": "2021-11-12T10:20:56Z",
  "published": "2021-11-04T16:03:41Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-38503"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-38504"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-38506"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-38507"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-38508"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-38509"
    }
  ],
  "related": [
    "CVE-2021-38503",
    "CVE-2021-38504",
    "CVE-2021-38506",
    "CVE-2021-38507",
    "CVE-2021-38508",
    "CVE-2021-38509"
  ],
  "summary": "Important: thunderbird security update"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.