{"id":"CVE-2026-107705","aliases":["BELL-CVE-2026-107705","CLSA-2026-1791810115","DEBIAN-CVE-2026-107705","EUVD-2026-95208","GHSA-939q-g65h-55jw","RHSA-2026:80172","RHSA-2026:80579","SUSE-SU-2026:5133-1","UBUNTU-CVE-2026-107705","USN-8950-1","openSUSE-SU-2026:12145-1"],"status":"published","title":"Poppler 0.42.0 through 26.10.0 Stack Buffer Overflow via Decrypt::revision6Hash()","description":"Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.","severity":{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00324,"percentile":0.25638,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-121"],"published":"2026-10-08T19:51:12Z","modified":"2026-11-10T13:15:10Z","fixes":[{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler-cpp","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler-cpp-devel","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler-devel","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler-glib","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler-glib-devel","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler-glib-doc","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler-qt5","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler-qt5-devel","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"poppler-utils","fixed_in":["21.01.0-21.el9.tuxcare.els9"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"poppler","fixed_in":["26.07.0-4"],"sources":["osv"]},{"ecosystem":"Red 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0.42.0 through 26.10.0 Stack Buffer Overflow via Decrypt::revision6Hash()","description":"Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.","status":"published","published":"2026-10-08T19:51:12.884Z","modified":"2026-10-14T16:05:29.301Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:45:14.072357Z"}],"euvd":[{"id":"EUVD-2026-95208","description":"Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.","status":"published","published":"2026-10-08T19:51:12Z","modified":"2026-10-14T16:05:29Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:14.304159Z"}],"ghsa":[{"id":"GHSA-939q-g65h-55jw","title":"Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash()...","description":"Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.","status":"published","published":"2026-10-08T21:33:26Z","modified":"2026-10-08T21:33:27Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:12:57.86261Z"}],"nvd":[{"id":"CVE-2026-107705","description":"Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.","status":"published","published":"2026-10-08T20:17:35.3Z","modified":"2026-10-14T17:18:17.953Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:55.142936Z"}],"osv":[{"id":"BELL-CVE-2026-107705","status":"published","published":"2026-10-09T06:05:29.669539Z","modified":"2026-10-21T07:15:04.278082598Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:23.037038Z"},{"id":"CVE-2026-107705","title":"Poppler 0.42.0 through 26.10.0 Stack Buffer Overflow via Decrypt::revision6Hash()","description":"Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.","status":"published","published":"2026-10-08T19:51:12.884Z","modified":"2026-11-10T13:27:17.707962927Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-10T14:01:23.83579Z"},{"id":"DEBIAN-CVE-2026-107705","description":"Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.","status":"published","published":"2026-10-08T20:17:35.3Z","modified":"2026-11-08T22:00:08.05508213Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-08T22:11:41.975705Z"},{"id":"RHSA-2026:80172","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","status":"published","published":"2026-10-10T10:22:57Z","modified":"2026-10-14T10:31:38Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"RHSA-2026:80579","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-10-14T10:31:51Z","modified":"2026-10-14T10:48:13.264443898Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"UBUNTU-CVE-2026-107705","description":"Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.","status":"published","published":"2026-10-08T20:17:00Z","modified":"2026-10-21T23:00:34.755425913Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium"},{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:55:59.130573Z"},{"id":"CLSA-2026-1791810115","title":"poppler: Fix of CVE-2026-107705","description":"- CVE-2026-107705: clamp the password to 127 bytes before passing it to\n  revision6Hash in Decrypt::makeFileKey to prevent a stack buffer overflow","status":"published","published":"2026-10-12T13:02:05Z","modified":"2026-10-26T09:31:36.586167981Z","updated_at":"2026-11-02T15:43:50.599064Z"},{"id":"openSUSE-SU-2026:12145-1","title":"libpoppler-cpp3-26.10.0-1.1 on GA media","description":"These are all security issues fixed in the libpoppler-cpp3-26.10.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-15T00:00:00Z","modified":"2026-10-16T17:23:13.513573304Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"SUSE-SU-2026:5133-1","title":"Security update for poppler","description":"This update for poppler fixes the following issues:\n\n- CVE-2026-93313: JBIG2 stream processing can cause integer overflows (bsc#1282532).\n- CVE-2026-93314: TrueType font processing can cause integer overflows (bsc#1282531).\n- CVE-2026-102620: Data corruption via integer overflow in FoFiTrueType:cvtSfnts (bsc#1283330).\n- CVE-2026-102621: Denial of Service via integer overflow in SplashClip (bsc#1283331).\n- CVE-2026-107705: Denial of Service via stack-based buffer overflow in PDF decryption (bsc#1284844).\n","status":"published","published":"2026-11-09T12:51:43Z","modified":"2026-11-10T13:15:10.65070718Z","updated_at":"2026-11-10T13:29:51.103746Z"},{"id":"USN-8950-1","title":"poppler vulnerability","description":"It was discovered that poppler incorrectly handled the password length\nlimit when decrypting certain encrypted PDF files. An attacker could\npossibly use this issue to cause a denial of service.","status":"published","published":"2026-10-21T16:53:02Z","modified":"2026-10-22T04:42:59.987759541Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}