{"id":44174,"date":"2026-04-12T03:30:07","date_gmt":"2026-04-12T03:30:07","guid":{"rendered":"http:\/\/localhost\/?p=44174"},"modified":"2026-04-12T03:30:07","modified_gmt":"2026-04-12T03:30:07","slug":"libraw-jpeg-dht-losslessjpegcpp-initval-out-of-bounds-write","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=44174","title":{"rendered":"LibRaw JPEG DHT losslessjpeg.cpp initval out-of-bounds write_CVE-2026-5318"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in LibRaw up to 0.22.0. This impacts the function HuffTable::initval of the file src\/decompressors\/losslessjpeg.cpp of the component JPEG DHT Parser. This manipulation of the argument bits[] causes out-of-bounds write. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.22.1 will fix this issue. Patch name: a6734e867b19d75367c05f872ac26322464e3995. It is advisable to upgrade the affected component.&#8221;,&#8221;published&#8221;:&#8221;2026-04-02T01:45:12.421Z&#8221;,&#8221;modified&#8221;:&#8221;2026-04-07T11:26:57.754Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;LibRaw JPEG DHT losslessjpeg.cpp initval out-of-bounds write&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/vuln\/354650\\nhttps:\/\/vuldb.com\/vuln\/354650\/cti\\nhttps:\/\/vuldb.com\/submit\/780538\\nhttps:\/\/github.com\/LibRaw\/LibRaw\/issues\/794\\nhttps:\/\/github.com\/LibRaw\/LibRaw\/issues\/794#issuecomment-4065342499\\nhttps:\/\/github.com\/biniamf\/pocs\/tree\/main\/libraw_lljpeg\\nhttps:\/\/github.com\/LibRaw\/LibRaw\/commit\/a6734e867b19d75367c05f872ac26322464e3995\\nhttps:\/\/github.com\/LibRaw\/LibRaw\/releases\/tag\/0.22.1\\nhttps:\/\/github.com\/LibRaw\/LibRaw\/&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-5318&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-787&#8243;,&#8221;CWE-119&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;n\/a LibRaw 0.1\\nn\/a LibRaw 0.2\\nn\/a LibRaw 0.3\\nn\/a LibRaw 0.4\\nn\/a LibRaw 0.5\\nn\/a LibRaw 0.6\\nn\/a LibRaw 0.7\\nn\/a LibRaw 0.8\\nn\/a LibRaw 0.9\\nn\/a LibRaw 0.10\\nn\/a LibRaw 0.11\\nn\/a LibRaw 0.12\\nn\/a LibRaw 0.13\\nn\/a LibRaw 0.14\\nn\/a LibRaw 0.15\\nn\/a LibRaw 0.16\\nn\/a LibRaw 0.17\\nn\/a LibRaw 0.18\\nn\/a LibRaw 0.19\\nn\/a LibRaw 0.20\\nn\/a LibRaw 0.21\\nn\/a LibRaw 0.22.0&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:5.3,&#8221;severity&#8221;:&#8221;MEDIUM&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:N\/UI:P\/VC:N\/VI:N\/VA:L\/SC:N\/SI:N\/SA:N\/E:P&#8221;,&#8221;version&#8221;:&#8221;4.0&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;LibRaw&#8221;,&#8221;version&#8221;:&#8221;0.1&#8243;,&#8221;vendor&#8221;:&#8221;n\/a&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in LibRaw up to 0.22.0. This impacts the function HuffTable::initval of the file src\/decompressors\/losslessjpeg.cpp of the component JPEG DHT Parser&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,22,12,21,13,7,11,5],"class_list":["post-44174","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-53","tag-exploit","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LibRaw JPEG DHT losslessjpeg.cpp initval out-of-bounds write_CVE-2026-5318 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=44174\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LibRaw JPEG DHT losslessjpeg.cpp initval out-of-bounds write_CVE-2026-5318 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in LibRaw up to 0.22.0. 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