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  <DocumentTitle xml:lang="en">Security update for MozillaThunderbird</DocumentTitle>
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    <Note Title="Topic" Type="Summary" Ordinal="1" xml:lang="en">Security update for MozillaThunderbird</Note>
    <Note Title="Details" Type="General" Ordinal="2" xml:lang="en">This update for MozillaThunderbird fixes the following issues:

- Mozilla Thunderbird was updated to version 78.9.1 (MFSA 2021-12,MFSA 2021-13, bsc#1183942, bsc#1184536)
  * CVE-2021-23981: Texture upload into an unbound backing buffer resulted in an out-of-bound read
  * CVE-2021-23982: Internal network hosts could have been probed by a malicious webpage
  * CVE-2021-23984: Malicious extensions could have spoofed popup information
  * CVE-2021-23987: Memory safety bugs
  * CVE-2021-23991: An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key
  * CVE-2021-23992: A crafted OpenPGP key with an invalid user ID could be used to confuse the user
  * CVE-2021-23993: Inability to send encrypted OpenPGP email after importing a crafted OpenPGP key
- cleaned up and fixed mozilla.sh.in for wayland (bsc#1177542)

This update was imported from the SUSE:SLE-15-SP2:Update update project.</Note>
    <Note Title="Terms of Use" Type="Legal Disclaimer" Ordinal="3" xml:lang="en">The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).</Note>
    <Note Title="Patchnames" Type="Details" Ordinal="4" xml:lang="en">openSUSE-2021-580</Note>
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  <vuln:Vulnerability xmlns="http://docs.oasis-open.org/csaf/ns/csaf-cvrf/v1.2/vuln" Ordinal="7">
    <Notes>
      <Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">An attacker may perform a DoS attack to prevent a user from sending encrypted email to a correspondent. If an attacker creates a crafted OpenPGP key with a subkey that has an invalid self signature, and the Thunderbird user imports the crafted key, then Thunderbird may try to use the invalid subkey, but the RNP library rejects it from being used, causing encryption to fail. This vulnerability affects Thunderbird &lt; 78.9.1.</Note>
    </Notes>
    <CVE>CVE-2021-23993</CVE>
    <ProductStatuses>
      <Status Type="Fixed">
        <ProductID>openSUSE Leap 15.2:MozillaThunderbird-78.9.1-lp152.2.38.1</ProductID>
        <ProductID>openSUSE Leap 15.2:MozillaThunderbird-translations-common-78.9.1-lp152.2.38.1</ProductID>
        <ProductID>openSUSE Leap 15.2:MozillaThunderbird-translations-other-78.9.1-lp152.2.38.1</ProductID>
      </Status>
    </ProductStatuses>
    <Threats>
      <Threat Type="Impact">
        <Description>moderate</Description>
      </Threat>
    </Threats>
    <CVSSScoreSets>
      <ScoreSetV2>
        <BaseScoreV2>4.3</BaseScoreV2>
        <VectorV2>AV:N/AC:M/Au:N/C:N/I:P/A:N</VectorV2>
      </ScoreSetV2>
      <ScoreSetV3>
        <BaseScoreV3>4.3</BaseScoreV3>
        <VectorV3>CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L</VectorV3>
      </ScoreSetV3>
    </CVSSScoreSets>
    <Remediations>
      <Remediation Type="Vendor Fix">
        <Description xml:lang="en">To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
</Description>
        <URL>https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/46S264KIM7ZLJMHW66XPM4XKEAJEZUEJ/</URL>
      </Remediation>
    </Remediations>
    <References>
      <Reference>
        <URL>https://www.suse.com/security/cve/CVE-2021-23993.html</URL>
        <Description>CVE-2021-23993</Description>
      </Reference>
      <Reference>
        <URL>https://bugzilla.suse.com/1184536</URL>
        <Description>SUSE Bug 1184536</Description>
      </Reference>
    </References>
  </vuln:Vulnerability>
</cvrfdoc>
