{"id":"CVE-2026-111139","revision":null,"records":[{"revision":"304da86cefbb4505b854c9335ce821b1","observedAt":"2026-10-26T15:35:30.984+00:00","statement":{"source":"cve-program","id":"CVE-2026-111139","aliases":[],"title":"NetSurf libnsbmp through 0.1.7 Out-of-Bounds Read via bmp_decode_mask","description":"NetSurf libnsbmp through 0.1.7 contains an out-of-bounds read vulnerability in bmp_decode_mask() that allows attackers to read one byte past the image buffer by supplying crafted ICO files. Attackers can provide an ICO whose inner bitmap width is not a multiple of 8, causing a heap over-read that can crash applications calling bmp_decode().","state":0,"publishedAt":"2026-10-15T18:57:31.959+00:00","modifiedAt":"2026-10-26T14:04:23.877+00:00","affected":[{"ecosystem":"https://github.com/netsurf-browser/libnsbmp","name":"libnsbmp","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"NetSurf\",\n                    \"product\": \"libnsbmp\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"0.1.7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/netsurf-browser/libnsbmp\",\n                    \"packageURL\": \"pkg:github/netsurf-browser/libnsbmp\",\n                    \"repo\": \"https://github.com/netsurf-browser/libnsbmp\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5,"severity":"MEDIUM"}],"references":["https://hackmd.io/@haind-pwn/libnsbmp-rle-absolute-pad-and-ico-mask-oob-read","https://github.com/netsurf-browser/libnsbmp/blob/ea063c9f46acb43e90208da14073332b505ef7e7/src/libnsbmp.c#L835-L873","https://download.netsurf-browser.org/libs/releases/libnsbmp-0.1.7-src.tar.gz","https://github.com/netsurf-browser/libnsbmp","https://www.vulncheck.com/advisories/netsurf-libnsbmp-through-0.1.7-out-of-bounds-read-via-bmp-decode-mask"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111139","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111139","identifiers":["CVE-2026-111139"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-28T10:33:32.5344446+00:00","complete":true,"records":1760,"lastAttemptAt":"2026-10-28T10:33:32.5344446+00:00","lastSuccessAt":"2026-10-28T10:33:32.6834837+00:00","error":null,"lastVerifiedAt":"2026-10-28T10:33:32.6834858+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-d2186f400c54d65f61687f78bb1a00d184d2e215877d0194d7ed70caee809a44-dbe935b5c0445aa8bf0ad6eee2fdccbed1511848550405783cb6764f13f2cea1","complete":true,"records":415637,"lastAttemptAt":"2026-10-28T10:33:28.1218743+00:00","lastSuccessAt":"2026-10-28T10:33:28.0918568+00:00","error":null,"lastVerifiedAt":"2026-10-28T10:33:28.1218743+00:00","snapshotPublishedAt":"2026-10-28T10:28:43+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-842a1b8ec42f457281f9c2334ee9aad5","complete":false,"records":13201,"lastAttemptAt":"2026-10-28T10:34:21.7582385+00:00","lastSuccessAt":"2026-10-28T10:34:21.8155983+00:00","error":null,"lastVerifiedAt":"2026-10-28T10:34:21.8155983+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-28T10:33:32.5344446+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-28T10:33:32.5344446+00:00","lastSuccessAt":"2026-10-28T10:33:32.6846081+00:00","error":null,"lastVerifiedAt":"2026-10-28T10:33:32.6846084+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-8d16a738328646698f9217d8ea11893c","complete":true,"records":13449,"lastAttemptAt":"2026-10-28T10:33:33.1463542+00:00","lastSuccessAt":"2026-10-27T22:48:29.491+00:00","error":null,"lastVerifiedAt":"2026-10-27T22:48:29.491+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13514,"expectedIdentifiers":13514,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-f7cb12508d9e6a348c8a60f772ed85529cc80cd2ff853da1099b57754b20e943","complete":true,"records":9790,"lastAttemptAt":"2026-10-28T10:33:28.4933633+00:00","lastSuccessAt":"2026-10-27T21:49:03.9756799+00:00","error":null,"lastVerifiedAt":"2026-10-28T10:33:28.4933633+00:00","snapshotPublishedAt":"2026-10-27T21:48:11+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-72e5e79de0026dd0562d40734074a2236a06886643d67182b8381eaee757dbf7","complete":true,"records":1966,"lastAttemptAt":"2026-10-28T10:33:28.2877501+00:00","lastSuccessAt":"2026-10-27T21:46:38.0277323+00:00","error":null,"lastVerifiedAt":"2026-10-28T10:33:28.2877501+00:00","snapshotPublishedAt":"2026-10-27T21:18:15+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-9cc0e41ed4e75d0c111bed7fd0bbcd4f139c80cc1fc67f8c3d9a33a41da846ad","complete":true,"records":3002,"lastAttemptAt":"2026-10-28T10:33:32.5040876+00:00","lastSuccessAt":"2026-10-28T10:33:32.3653779+00:00","error":null,"lastVerifiedAt":"2026-10-28T10:33:32.5040876+00:00","snapshotPublishedAt":"2026-10-28T09:02:50+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-2ba4ef78ff3a54a3ff2eeaf8e09b7b84901727f582723b80c5b0279e777b2781","complete":true,"records":230857,"lastAttemptAt":"2026-10-28T10:33:28.3916004+00:00","lastSuccessAt":"2026-10-28T09:35:14.9469514+00:00","error":null,"lastVerifiedAt":"2026-10-28T10:33:28.3916004+00:00","snapshotPublishedAt":"2026-10-28T09:33:01+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}