{"id":76928,"date":"2026-02-11T18:49:55","date_gmt":"2026-02-11T15:19:55","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-1837-libjxl-out-of-bounds-write-in-grayscale-color-transformation-when-using-lcms2\/"},"modified":"2026-02-11T18:49:55","modified_gmt":"2026-02-11T15:19:55","slug":"cve-2026-1837-libjxl-out-of-bounds-write-in-grayscale-color-transformation-when-using-lcms2","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-1837-libjxl-out-of-bounds-write-in-grayscale-color-transformation-when-using-lcms2\/","title":{"rendered":"CVE-2026-1837 &#8211; libjxl: Out-of-bounds write in grayscale color transformation when using LCMS2"},"content":{"rendered":"<p>CVE ID : CVE-2026-1837<\/p>\n<p>Published :  Feb. 11, 2026, 3:19 p.m. | 1\u00a0hour, 4\u00a0minutes ago<\/p>\n<p>Description : A specially-crafted file can cause libjxl&#8217;s decoder to write pixel data to uninitialized unallocated memory. Soon after that data from another uninitialized unallocated region is copied to pixel data.<\/p>\n<p>This can be done by requesting color transformation of grayscale images to another grayscale color space. Buffers allocated for 1-float-per-pixel are used as if they are allocated for 3-float-per-pixel. That happens only if LCMS2 is used as CMS engine. There is another CMS engine available (selected by build flags).<\/p>\n<p>Severity: 8.7 | HIGH<\/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-2026-1837 Published : Feb. 11, 2026, 3:19 p.m. | 1\u00a0hour, 4\u00a0minutes ago Description : A specially-crafted file can cause libjxl&#8217;s decoder to write pixel data to uninitialized unallocated memory. Soon after that data from another uninitialized unallocated region is copied to pixel data. This can be done by requesting color transformation of &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-76928","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/76928","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=76928"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/76928\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=76928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=76928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=76928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}