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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Sun, 04 Oct 2026 21:32:08 +0000</lastBuildDate>
    <item>
      <title>CVE-2023-45139 — fonttools XML External Entity Injection (XXE) Vulnerability</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-45139</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; fonttools&lt;/p&gt;
&lt;p&gt;fontTools is a library for manipulating fonts, written in Python. The subsetting module has a XML External Entity Injection (XXE) vulnerability which allows an attacker to resolve arbitrary entities when a candidate font (OT-SVG fonts), which contains a SVG table, is parsed. This allows attackers to include arbitrary files from the filesystem fontTools is running on or make web requests from the host system. This vulnerability has been patched in version 4.43.0.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; fonttools&lt;/p&gt;
&lt;p&gt;fontTools is a library for manipulating fonts, written in Python. The subsetting module has a XML External Entity Injection (XXE) vulnerability which allows an attacker to resolve arbitrary entities when a candidate font (OT-SVG fonts), which contains a SVG table, is parsed. This allows attackers to include arbitrary files from the filesystem fontTools is running on or make web requests from the host system. This vulnerability has been patched in version 4.43.0.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2023-45139</guid>
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      <title>USN-7917-1 — fonttools vulnerabilities</title>
      <link>https://vulnerability.circl.lu/vuln/usn-7917-1</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Ubuntu:Pro:22.04:LTS: fonttools, Ubuntu:Pro:24.04:LTS: fonttools, Ubuntu:25.10: fonttools&lt;/p&gt;
&lt;p&gt;It was discovered that the subsetting module of fontTools was vulnerable to
an XML External Entity (XEE) attack. An unauthenticated remote attacker
could possibly use this issue to include arbitrary files from the file
system or make web requests from the host system. This issue only  affected
Ubuntu 22.04 LTS. (CVE-2023-45139)&lt;/p&gt;
&lt;p&gt;It was discovered that fontTools was vulnerable to path traversal attacks.
If a user or automated system were tricked into extracting a specially
crafted .designspace file, an attacker could possibly use this issue to
write arbitrary files outside the target directory, resulting in remote
code execution. This issue only affected Ubuntu 24.04 LTS, Ubuntu 25.04
and Ubuntu 25.10. (CVE-2025-66034)&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Ubuntu:Pro:22.04:LTS: fonttools, Ubuntu:Pro:24.04:LTS: fonttools, Ubuntu:25.10: fonttools&lt;/p&gt;
&lt;p&gt;It was discovered that the subsetting module of fontTools was vulnerable to
an XML External Entity (XEE) attack. An unauthenticated remote attacker
could possibly use this issue to include arbitrary files from the file
system or make web requests from the host system. This issue only  affected
Ubuntu 22.04 LTS. (CVE-2023-45139)&lt;/p&gt;
&lt;p&gt;It was discovered that fontTools was vulnerable to path traversal attacks.
If a user or automated system were tricked into extracting a specially
crafted .designspace file, an attacker could possibly use this issue to
write arbitrary files outside the target directory, resulting in remote
code execution. This issue only affected Ubuntu 24.04 LTS, Ubuntu 25.04
and Ubuntu 25.10. (CVE-2025-66034)&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/usn-7917-1</guid>
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