{"id":"CVE-2026-58061","summary":"CCM-family modes write plaintext to caller buffer before tag check","details":"In Bouncy Castle for Java before 1.85, CCM-family modes write plaintext to caller buffer before tag check. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).","modified":"2026-08-14T18:56:32.260152163Z","published":"2026-08-03T02:36:36.753Z","related":["SUSE-SU-2026:23127-1","SUSE-SU-2026:23150-1","SUSE-SU-2026:3559-1","openSUSE-SU-2026:11445-1","openSUSE-SU-2026:21538-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58061.json","unresolved_ranges":[{"extracted_events":[{"introduced":"1.0.0"},{"fixed":"1.0.2.7"},{"introduced":"2.0.0"},{"fixed":"2.0.2"},{"introduced":"2.1.0"},{"fixed":"2.1.3"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"bcorg","cwe_ids":["CWE-354"]},"references":[{"type":"WEB","url":"https://www.bouncycastle.org/download/bouncy-castle-java-fips/"},{"type":"WEB","url":"https://www.bouncycastle.org/download/bouncy-castle-java-lts/"},{"type":"WEB","url":"https://www.bouncycastle.org/download/bouncy-castle-java/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58061.json"},{"type":"ADVISORY","url":"https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9058061"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58061"},{"type":"FIX","url":"https://github.com/bcgit/bc-java/commit/08d675106bb663ddcc6ec0a4af6f6f62f512697b"},{"type":"FIX","url":"https://github.com/bcgit/bc-java/commit/cd4a5ab3ad619ff03c7767c1b8b19d5dea2970af"},{"type":"PACKAGE","url":"https://github.com/bcgit/bc-java"},{"type":"PACKAGE","url":"https://github.com/bcgit/bc-lts-java"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bcgit/bc-java","events":[{"introduced":"0"},{"fixed":"57fbd3c501f7a369f64eda311d6a709fc0bcae84"},{"fixed":"08d675106bb663ddcc6ec0a4af6f6f62f512697b"},{"fixed":"cd4a5ab3ad619ff03c7767c1b8b19d5dea2970af"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.85"}],"source":["DESCRIPTION","REFERENCES"]}},{"type":"GIT","repo":"https://github.com/bcgit/bc-lts-java","events":[{"introduced":"468b5082f3f0971e80bf9edb7029c17b39b9ba0c"},{"fixed":"f101b232c5d3e07ecdd504210a57e43831d6cd65"}],"database_specific":{"extracted_events":[{"introduced":"2.73.0"},{"fixed":"2.73.12"}],"source":"AFFECTED_FIELD"}}],"versions":["r1rv84","r1rv81","r1rv83","r1rv82","r1rv80","r1rv78","r1rv77","r1rv76","r1rv75","r1rv74","r1rv73","r2rv73dot11","r2rv73dot10","r2rv73dot9","r2rv73dot8","r2rv73dot6","r2rv73dot4","r2rv73dot3","r2rv73dot1","r2rv73dot0"],"database_specific":{"vanir_signatures_modified":"2026-08-12T15:20:45Z","vanir_signatures":[{"digest":{"length":1764,"function_hash":"196006457380830527097761483051434262675"},"id":"CVE-2026-58061-003294d6","signature_type":"Function","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/08d675106bb663ddcc6ec0a4af6f6f62f512697b","target":{"file":"core/src/main/java/org/bouncycastle/crypto/modes/KGCMBlockCipher.java","function":"doFinal"},"deprecated":false},{"signature_type":"Line","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/cd4a5ab3ad619ff03c7767c1b8b19d5dea2970af","target":{"file":"core/src/main/java/org/bouncycastle/crypto/modes/CCMBlockCipher.java"},"deprecated":false,"digest":{"line_hashes":["330219421063663668875282814311426130362","190071687782965338480174111534821514382","219229446112680708010902157285142377248","121779507229593737398470740553856811851","70106108884041769415825831591628659890","297985411598609756731850991195965402448","263856452695657055958996380958314640092","285906683517015777155285687973960132474","56926160140901809370206990048421320302","192020694941943231181763246804859273732","142817554384531973996499143460402507975","138606489479653877596186861721048688954","57994644760409286742687379371346397339","176911806139037829167487027868098115875","68987442173904257877390658204776968939","284494236199350705241407753958717633231","315413603195079010533678748682782565247"],"threshold":0.9},"id":"CVE-2026-58061-058a7bc9"},{"id":"CVE-2026-58061-2006d4a4","signature_type":"Line","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/cd4a5ab3ad619ff03c7767c1b8b19d5dea2970af","target":{"file":"core/src/test/java/org/bouncycastle/crypto/test/CCMTest.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["163051986550516513765930535747943654294","293774713230383873545501869942324092793","294185186270660855083302248867748073942","323833894220166513078117887089960547881"]}},{"source":"https://github.com/bcgit/bc-java/commit/08d675106bb663ddcc6ec0a4af6f6f62f512697b","target":{"file":"core/src/main/java/org/bouncycastle/crypto/modes/KCCMBlockCipher.java","function":"processPacket"},"deprecated":false,"digest":{"function_hash":"144583207526486135335151715894540746596","length":1785},"id":"CVE-2026-58061-47259f62","signature_type":"Function","signature_version":"v1"},{"id":"CVE-2026-58061-530680ca","signature_type":"Function","signature_version":"v1","source":"https://github.com/bcgit/bc-java/commit/cd4a5ab3ad619ff03c7767c1b8b19d5dea2970af","target":{"file":"core/s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