{"id":"CVE-2026-88361","published":"2026-09-24T16:17:13.217","lastModified":"2026-09-25T18:17:31.423","description":"SumatraPDF 3.6.1 contains an integer overflow vulnerability in EngineMupdf::BuildPageLabelRec() when parsing PDF PageLabels /Nums entries.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-190"],"vendors":[],"products":[],"references":[{"url":"https://github.com/chenjiefeng2001/sumatrapdf_folked/commit/b22a8c71ddc9de80ece5f88d14b434c20fee912e","tags":[]},{"url":"https://github.com/haimag/sumatrapdf/commit/8b999ff1bf0a8df244e75440682a3fd9a038eb2d","tags":[]},{"url":"https://github.com/sumatrapdfreader/sumatrapdf/issues/5952","tags":[]},{"url":"https://github.com/sumatrapdfreader/sumatrapdf/issues/5952","tags":[]}],"exploitRefs":[{"url":"https://github.com/chenjiefeng2001/sumatrapdf_folked/commit/b22a8c71ddc9de80ece5f88d14b434c20fee912e","tags":[]},{"url":"https://github.com/haimag/sumatrapdf/commit/8b999ff1bf0a8df244e75440682a3fd9a038eb2d","tags":[]},{"url":"https://github.com/sumatrapdfreader/sumatrapdf/issues/5952","tags":[]},{"url":"https://github.com/sumatrapdfreader/sumatrapdf/issues/5952","tags":[]}],"hasPoc":true,"ai":null}