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CVE details

CVE-2017-17484

The ucnv_UTF8FromUTF8 function in ucnv_u8.cpp in International Components for Unicode (ICU) for C/C++ through 60.1 mishandles ucnv_convertEx calls for UTF-8 to UTF-8 conversion, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted string, as demonstrated by ZNC.

Score
9.8 critical
Published
2017-12-10
Links
NVD · cve.org

Affected ports (1)

PortPackageVersionStatusMaintainer
devel/linux-c7-iculinux-c7-icu50.2_1unaddressedemulation@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>linux-c7-icu</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>The ucnv_UTF8FromUTF8 function in ucnv_u8.cpp in International
	Components for Unicode (ICU) for C/C++ through 60.1 mishandles
	ucnv_convertEx calls for UTF-8 to UTF-8 conversion, which allows
	remote attackers to cause a denial of service (stack-based buffer
	overflow and application crash) or possibly have unspecified other
	impact via a crafted string, as demonstrated by ZNC.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2017-17484</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2017-17484</url>
    </references>
    <dates>
      <discovery>2017-12-10</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>