{"id":"CVE-2026-3505","summary":"Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.","details":"Allocation of resources without limits or throttling, Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all (pg modules).\n\n This vulnerability is associated with program files AEADEncDataPacket.Java, BcAEADUtil.Java, JceAEADUtil.Java, OperatorHelper.Java.\n\n\n\nThis issue affects BC-JAVA: from 1.74 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.","aliases":["GHSA-cj8j-37rh-8475"],"modified":"2026-09-19T08:16:05.300Z","published":"2026-04-15T09:06:37.939Z","related":["SUSE-SU-2026:1639-1","SUSE-SU-2026:21404-1","openSUSE-SU-2026:10571-1","openSUSE-SU-2026:20627-1"],"database_specific":{"cwe_ids":["CWE-400","CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3505.json","cna_assigner":"bcorg"},"references":[{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3505.json"},{"type":"WEB","url":"https://www.bouncycastle.org/download/bouncy-castle-java/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:13631"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:17668"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:18054"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:18055"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:18059"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53644"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53645"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53646"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53806"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60239"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60246"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60247"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60248"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60249"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60250"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60251"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60252"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60254"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60256"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60259"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-3505"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3505.json"},{"type":"ADVISORY","url":"https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%903505"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3505"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2458638"},{"type":"FIX","url":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1"},{"type":"PACKAGE","url":"https://github.com/bcgit/bc-java"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bcgit/bc-java","events":[{"introduced":"434cab9b79adfcc7d0313fbaec765a5bbfb27128"},{"fixed":"d3fbd45fd5e27fbc3a69b8ab150619f0dc8a6a44"},{"introduced":"228211ecb973fe87fdd0fc4ab16ba0446ec1a29c"},{"fixed":"dd0e7f83eef6b5d157139c9da21852d44bfcef71"},{"introduced":"de42702b6cda2631e8e3ff94f8458198860b328e"},{"fixed":"d716d7716a452bad283323aefd88ff21eba8deef"},{"fixed":"dc7530939ffb6cdb57636f3609d98e23b94e71c1"}],"database_specific":{"extracted_events":[{"introduced":"1.74"},{"fixed":"1.80.2"},{"introduced":"1.81"},{"fixed":"1.81.1"},{"introduced":"1.82"},{"fixed":"1.84"}],"source":["DESCRIPTION","REFERENCES"]}}],"versions":["r1rv81","r1rv83","r1rv82","r1rv80v1","r1rv80","r1rv78","r1rv77","r1rv76","r1rv75","r1rv74"],"database_specific":{"vanir_signatures_modified":"2026-09-19T08:16:05Z","vanir_signatures":[{"signature_type":"Function","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/main/java/org/bouncycastle/bcpg/AEADEncDataPacket.java","function":"AEADEncDataPacket"},"deprecated":false,"digest":{"function_hash":"133693706121194596895599095782657930270","length":276},"id":"CVE-2026-3505-259964fb"},{"signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/main/java/org/bouncycastle/openpgp/operator/jcajce/JceAEADUtil.java"},"deprecated":false,"digest":{"line_hashes":["71025605491745602052924149608823274766","310731032045546833422769943377507655128","160549492033834717715730648205076706458","76646762692607757591284513999651407526","149636761001252918748710122860092448471","32295880723942071177693895335431943063","284202989493960541444813002470377791376","285583721303767192109140908784123218090","12993474877920469471490353429867255940","155095222273678534637346255089161867984","171018653604802339835613152519986951644","264116330761582184852524645785897835646","112913710990562359606034788938886814024","211779906906995998069344729180269906205","201510249762378259754640110403805602238","281245874084301066187141488781262943300","168135225115955492698625883894381153075","62971514908783170117114022263834442041","207917066479958795962309976311552607358","196006495267980726221879766672465919674","284817506535797265382397512151913464593","59032994542508126003994475560421617017","77746061247247822461187162513723974896","121924566491907419028988670641367881437","296735144063196217551424621363002671310","238388167389063509072341480212088912608","295530012251069178443796808079503490494","248214079537556908678550127825736721269","195021759748862588758426888974152775799","271434759221742466965833086985591764699","9228363680992418995149615503969894328","293129950083765559252828737923948809376","108977944387750713206661158422406266181"],"threshold":0.9},"id":"CVE-2026-3505-39566f4c","signature_type":"Line"},{"id":"CVE-2026-3505-4b8bbfe1","signature_type":"Line","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/main/java/org/bouncycastle/openpgp/operator/bc/BcAEADUtil.java"},"deprecated":false,"digest":{"line_hashes":["285878165545623495223851167745664300155","192234171471621147435281040186000092603","301244109404689292528133019141818652760","7414647497590512723801598259511551204","338186994963320005695478244754396895291","326741319498582228717243590041233865706","142923806588497415763086745671957036662","24636163207322770183512867557744037940","188402880640059597683404690276529694278","79702742069006965803341552656161051704","185127959471245295373824817193819438770","145177505563016586211471918385529444634","264116330761582184852524645785897835646","112913710990562359606034788938886814024","211779906906995998069344729180269906205","201510249762378259754640110403805602238","281245874084301066187141488781262943300","168135225115955492698625883894381153075","62971514908783170117114022263834442041","207917066479958795962309976311552607358","196006495267980726221879766672465919674","284817506535797265382397512151913464593","59032994542508126003994475560421617017","77746061247247822461187162513723974896","121924566491907419028988670641367881437","296735144063196217551424621363002671310","238388167389063509072341480212088912608","295530012251069178443796808079503490494","248214079537556908678550127825736721269","195021759748862588758426888974152775799","271434759221742466965833086985591764699","9228363680992418995149615503969894328","190393985411334108831192613698705040211","110148957855410398885835607461921433728"],"threshold":0.9}},{"signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/main/java/org/bouncycastle/openpgp/operator/jcajce/JceAEADUtil.java","function":"getChunkLength"},"deprecated":false,"digest":{"function_hash":"127480484942166568802898486158658595577","length":64},"id":"CVE-2026-3505-52eb9d85","signature_type":"Function"},{"signature_type":"Function","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/main/java/org/bouncycastle/openpgp/operator/bc/BcAEADUtil.java","function":"getChunkLength"},"deprecated":false,"digest":{"function_hash":"127480484942166568802898486158658595577","length":64},"id":"CVE-2026-3505-66ea05f1"},{"signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/test/java/org/bouncycastle/bcpg/test/OCBEncryptedDataPacketTest.java"},"deprecated":false,"digest":{"line_hashes":["148210340888429101470727309296676997075","192846637382936663107583765695032048487","271685302753134285403068799461670674482","192338502122362787415574499601625781631","335624799150062828030668930698554109557","200602150673875433738633184510882274870","3860009734607546062795687315895873498"],"threshold":0.9},"id":"CVE-2026-3505-6ccbb530","signature_type":"Line"},{"signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/main/java/org/bouncycastle/bcpg/AEADEncDataPacket.java"},"deprecated":false,"digest":{"line_hashes":["33204885417667225567725244573004281072","71298720310949047496891476662416475978","60443664955333907887634474099051352093","309813116599416355038273509040951481668","216400035679873215826861458934911832854","227122649040224449317036488890823539271"],"threshold":0.9},"id":"CVE-2026-3505-700a3b8d","signature_type":"Line"},{"source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/main/jdk1.4/org/bouncycastle/openpgp/operator/jcajce/OperatorHelper.java"},"deprecated":false,"digest":{"line_hashes":["189952258396038691898146836242297926520","97542714641064228771552896973302933668","246916730924191021857668940983491349952","230016528334145973967505432988914856429"],"threshold":0.9},"id":"CVE-2026-3505-76048b20","signature_type":"Line","signature_version":"v1"},{"deprecated":false,"digest":{"function_hash":"326378283226324396674507459100442546863","length":69},"id":"CVE-2026-3505-7dfc810f","signature_type":"Function","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/test/java/org/bouncycastle/bcpg/test/OCBEncryptedDataPacketTest.java","function":"performTest"}},{"signature_type":"Function","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/main/java/org/bouncycastle/bcpg/AEADEncDataPacket.java","function":"AEADEncDataPacket"},"deprecated":false,"digest":{"function_hash":"102784975347065144442967767459576080182","length":612},"id":"CVE-2026-3505-9ca261ea"},{"deprecated":false,"digest":{"line_hashes":["175928512622813816927411613058255620780","211876437757400253120676713490220480890","14531829108997568855785504746495575882","10721386407721912421970380264210836072","123074660375816319627985141407678440428","207739806869907904924329820704048920558","26433357192408279692897001805920152210","297915715314933593763912232628169184385","172392507172562242006100768533521083017"],"threshold":0.9},"id":"CVE-2026-3505-c79f6a31","signature_type":"Line","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dd0e7f83eef6b5d157139c9da21852d44bfcef71","target":{"file":"pkix/src/test/java/org/bouncycastle/cert/cmp/test/AllTests.java"}},{"deprecated":false,"digest":{"function_hash":"32988096120628785176370459321828206469","length":1240},"id":"CVE-2026-3505-d796c600","signature_type":"Function","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dd0e7f83eef6b5d157139c9da21852d44bfcef71","target":{"file":"pkix/src/test/java/org/bouncycastle/cert/cmp/test/AllTests.java","function":"testComposite"}},{"id":"CVE-2026-3505-ddc7c9f6","signature_type":"Function","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1","target":{"file":"pg/src/main/jdk1.4/org/bouncycastle/openpgp/operator/jcajce/OperatorHelper.java","function":"getChunkLength"},"deprecated":false,"digest":{"function_hash":"127480484942166568802898486158658595577","length":64}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3505.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}