{"id":22385,"date":"2026-09-15T04:30:47","date_gmt":"2026-09-14T20:30:47","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-19499"},"modified":"2026-09-15T04:30:47","modified_gmt":"2026-09-14T20:30:47","slug":"cve-2026-19499","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-19499","title":{"rendered":"CVE-2026-19499 [HIGH] &#8211; Calling strfmon and strfmon_l in the GNU C Library version 2.38 to 2.44 can write past the"},"content":{"rendered":"<p>Calling strfmon and strfmon_l in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding.<\/p>\n<p>Exploitation requires an application code path that calls strfmon or strfmon_l with right-justified width padding into a destination buffer that is large enough for the padding to succeed but too small for the internal memmove call. The field width or format may be attacker-influenced or a fixed susceptible pattern in the caller.<\/p>\n<p>At the time of publication, no network-facing application impact is known.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Calling strfmon and strfmon_l in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding.<\/p>\n<p>Exploitation <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-22385","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/22385","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=22385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}