{"id":78088,"date":"2026-02-26T21:53:06","date_gmt":"2026-02-26T18:23:06","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-23749-golioth-firmware-sdk-0-22-0-blockwise-transfer-path-out-of-bounds-read\/"},"modified":"2026-02-26T21:53:06","modified_gmt":"2026-02-26T18:23:06","slug":"cve-2026-23749-golioth-firmware-sdk-0-22-0-blockwise-transfer-path-out-of-bounds-read","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-23749-golioth-firmware-sdk-0-22-0-blockwise-transfer-path-out-of-bounds-read\/","title":{"rendered":"CVE-2026-23749 &#8211; Golioth Firmware SDK &lt; 0.22.0 Blockwise Transfer Path Out-of-Bounds Read"},"content":{"rendered":"<p>CVE ID : CVE-2026-23749<\/p>\n<p>Published :  Feb. 26, 2026, 6:23 p.m. | 47\u00a0minutes ago<\/p>\n<p>Description : Golioth Firmware SDK version\u00a00.19.1\u00a0prior to 0.22.0, fixed in commit\u00a00e788217, contain an out-of-bounds read due to improper null termination of a blockwise transfer path. blockwise_transfer_init() accepts a path whose length equals CONFIG_GOLIOTH_COAP_MAX_PATH_LEN and copies it using strncpy() without guaranteeing a trailing NUL byte, leaving ctx-&gt;path unterminated. A later strlen() on this buffer (in golioth_coap_client_get_internal()) can read past the end of the allocation, resulting in a crash\/denial of service. The input is application-controlled (not network by default).<\/p>\n<p>Severity: 2.9 | LOW<\/p>\n<p>Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2026-23749 Published : Feb. 26, 2026, 6:23 p.m. | 47\u00a0minutes ago Description : Golioth Firmware SDK version\u00a00.19.1\u00a0prior to 0.22.0, fixed in commit\u00a00e788217, contain an out-of-bounds read due to improper null termination of a blockwise transfer path. blockwise_transfer_init() accepts a path whose length equals CONFIG_GOLIOTH_COAP_MAX_PATH_LEN and copies it using strncpy() without guaranteeing a &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-78088","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78088","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=78088"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78088\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=78088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=78088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=78088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}