{"id":28457,"date":"2026-09-25T00:31:30","date_gmt":"2026-09-24T16:31:30","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-88355"},"modified":"2026-09-25T00:31:30","modified_gmt":"2026-09-24T16:31:30","slug":"cve-2026-88355","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-88355","title":{"rendered":"CVE-2026-88355 &#8211; An incorrect buffer size calculation vulnerability exists in tinyexpr commit 4a7456e in ne"},"content":{"rendered":"<p>An incorrect buffer size calculation vulnerability exists in tinyexpr commit 4a7456e in new_expr(). For arity-0 expression nodes, including constants, variables, and zero-argument functions, the function allocates less memory than sizeof(te_expr) but treats the returned allocation as a complete te_expr object. This results in undefined behavior and can cause deterministic process termination in UBSan-instrumented builds.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An incorrect buffer size calculation vulnerability exists in tinyexpr commit 4a7456e in new_expr(). For arity-0 expression nodes, including constants, variables, and zero-argument functions, the funct<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28457","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28457","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=28457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}