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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202310-11">
<title>less: Denial of service</title>
<synopsis>A filtering bypass in less may allow denial of service.</synopsis>
<product type="ebuild">less</product>
<announced>2023-10-10</announced>
<revised count="1">2023-10-10</revised>
<bug>893530</bug>
<access>remote</access>
<affected>
<package name="sys-apps/less" auto="yes" arch="*">
<unaffected range="ge">608-r2</unaffected>
<vulnerable range="lt">608-r2</vulnerable>
</package>
</affected>
<background>
<p>less is a pager and text file viewer.</p>
</background>
<description>
<p>less suffered from a flaw in its terminal escape sequence handling which made its filtering incomplete.</p>
</description>
<impact type="normal">
<p>Malicious input could clear the terminal output or otherwise manipulate it with faked interactions.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All less users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/less-608-r2"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-46663">CVE-2022-46663</uri>
</references>
<metadata tag="requester" timestamp="2023-10-10T06:27:21.953151Z">sam</metadata>
<metadata tag="submitter" timestamp="2023-10-10T06:27:21.958103Z">sam</metadata>
</glsa>
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