In Bouncy Castle for Java before 1.85, Possible OOM from unbounded up-front allocation on a definite-length read. 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), and before bctls-fips 1.0.24.
{
"cwe_ids": [
"CWE-789"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14682.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"
},
{
"introduced": "1.0.0"
},
{
"fixed": "1.0.24"
}
],
"source": "AFFECTED_FIELD"
}
],
"cna_assigner": "bcorg"
}[
{
"source": "https://github.com/bcgit/bc-java/commit/37094e504ef50cf9ce4e0fb9e5105d495ff5c2d2",
"target": {
"file": "core/src/main/java/org/bouncycastle/asn1/DefiniteLengthInputStream.java",
"function": "toByteArray"
},
"deprecated": false,
"digest": {
"function_hash": "207162120077747174010359953396157550536",
"length": 420.0
},
"id": "CVE-2026-14682-3c47de1a",
"signature_version": "v1",
"signature_type": "Function"
},
{
"deprecated": false,
"digest": {
"function_hash": "225423879921135001523860557637182169382",
"length": 531.0
},
"signature_version": "v1",
"target": {
"file": "core/src/main/java/org/bouncycastle/util/io/Streams.java",
"function": "readLenBytesFully"
},
"id": "CVE-2026-14682-83f34b59",
"source": "https://github.com/bcgit/bc-java/commit/37094e504ef50cf9ce4e0fb9e5105d495ff5c2d2",
"signature_type": "Function"
},
{
"id": "CVE-2026-14682-8f221fdb",
"signature_version": "v1",
"target": {
"file": "core/src/main/java/org/bouncycastle/asn1/DefiniteLengthInputStream.java"
},
"deprecated": false,
"source": "https://github.com/bcgit/bc-java/commit/37094e504ef50cf9ce4e0fb9e5105d495ff5c2d2",
"digest": {
"line_hashes": [
"128590144201702826932831183904417057470",
"1415693993295036646316476446055866992",
"41478336157129212821901475298681855768",
"296644880863452237023377292156675500607",
"144010378520879348174687414423201448615",
"288682196956768651370012861103077414655",
"32467733975004668650140381821342096928",
"216517034150753253612033862840772286888",
"318695823432219526429640405883706660753"
],
"threshold": 0.9
},
"signature_type": "Line"
},
{
"signature_version": "v1",
"target": {
"file": "core/src/test/java/org/bouncycastle/asn1/test/RegressionTest.java"
},
"deprecated": false,
"digest": {
"line_hashes": [
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"26968003310736870453344087501917743964",
"215741816633743669254464663262501806177",
"72813023785814726025407523397464103824"
],
"threshold": 0.9
},
"source": "https://github.com/bcgit/bc-java/commit/37094e504ef50cf9ce4e0fb9e5105d495ff5c2d2",
"id": "CVE-2026-14682-94f3461c",
"signature_type": "Line"
},
{
"target": {
"file": "core/src/main/java/org/bouncycastle/util/io/Streams.java"
},
"deprecated": false,
"digest": {
"line_hashes": [
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"171752217634674527851206921578835741842",
"265671569443108136873170564154690641276",
"323094227719293379808727675067344854499",
"208090468886483824082453291273244182666",
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"211285726038641885971222410460238408971",
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"281143284736162286301754796496917569779",
"72774949067402997829815126645416157953",
"131761126484326969509993949037406741692",
"320389144561054615490703429026137336928",
"219219605541624851690688047295778045668",
"75158397679024526698378744062026680867",
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"110535660421373477383732730320476616337",
"262026690802968613690036196817385579516",
"296889951528194385342586829379414171960"
],
"threshold": 0.9
},
"signature_version": "v1",
"id": "CVE-2026-14682-f9442e43",
"source": "https://github.com/bcgit/bc-java/commit/37094e504ef50cf9ce4e0fb9e5105d495ff5c2d2",
"signature_type": "Line"
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-14682.json"
"2026-08-12T15:33:39Z"