{"id":39991,"date":"2026-10-16T04:34:20","date_gmt":"2026-10-15T20:34:20","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-55453"},"modified":"2026-10-16T04:34:20","modified_gmt":"2026-10-15T20:34:20","slug":"cve-2026-55453","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-55453","title":{"rendered":"CVE-2026-55453 [LOW] &#8211; OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operatin"},"content":{"rendered":"<p>OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.20, the backend\/ipp.c quote_string() function preserves carriage-return and line-feed characters in a remote printer-controlled marker-message before report_attr() writes the value to the scheduler status stream. The scheduler can parse an injected newline as a separate PPD: control line and persist an attacker-selected PPD keyword. The reporter demonstrated that a later print job on a Foomatic-backed queue could consume an injected FoomaticRIPCommandLine value and execute in the filter context as lp. This issue is fixed in version 2.4.20.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.20, the backend\/ipp.c quote_string() function preserves carriage-return and line-feed <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-39991","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/39991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=39991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=39991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=39991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}