CVE-2023-35784
- Source
- https://cve.org/CVERecord?id=CVE-2023-35784
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-35784.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2023-35784
- Downstream
- Published
- 2023-06-16T00:00:00Z
- Modified
- 2026-07-08T19:18:29.883115Z
- Summary
- [none]
- Details
-
A double free or use after free could occur after SSL_clear in OpenBSD 7.2 before errata 026 and 7.3 before errata 004, and in LibreSSL before 3.6.3 and 3.7.x before 3.7.3. NOTE: OpenSSL is not affected.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/35xxx/CVE-2023-35784.json", "cna_assigner": "mitre", "unresolved_ranges": [ { "extracted_events": [ { "introduced": "7.2" }, { "introduced": "7.3" } ], "source": "DESCRIPTION" } ] }- References
-
- https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt
- https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/35xxx/CVE-2023-35784.json
- https://nvd.nist.gov/vuln/detail/CVE-2023-35784
- https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54
Affected packages
Git / github.com/libressl/openbsd
Affected ranges
- Type
- GIT
- Repo
- https://github.com/libressl/openbsd
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedIntroducedFixedFixedFixed
- Database specific
{ "extracted_events": [ { "introduced": "0" }, { "fixed": "3.6.3" }, { "introduced": "3.7.x" }, { "fixed": "3.7.3" } ], "source": [ "DESCRIPTION", "REFERENCES" ] }
- Type
- GIT
- Repo
- https://github.com/libressl/portable
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroducedFixed
- Database specific
{ "extracted_events": [ { "introduced": "0" }, { "fixed": "3.6.3" }, { "introduced": "3.7.x" }, { "fixed": "3.7.3" } ], "source": "DESCRIPTION" }
Affected versions
libressl-v2.*
libressl-v2.1.2
libressl-v2.1.3
libressl-v2.1.4
libressl-v2.2.0
libressl-v2.2.1
libressl-v2.3.0
libressl-v2.3.1
libressl-v2.3.2
libressl-v2.4.0
libressl-v2.4.1
libressl-v2.5.0
libressl-v2.5.1
libressl-v2.5.2
libressl-v2.6.0
libressl-v2.6.1
libressl-v2.6.2
libressl-v2.7.0
libressl-v2.7.1
libressl-v2.8.0
libressl-v2.8.1
libressl-v2.9.0
libressl-v3.*
libressl-v3.0.0
libressl-v3.0.1
libressl-v3.1.0
libressl-v3.2.0
libressl-v3.2.1
libressl-v3.3.0
libressl-v3.3.1
libressl-v3.4.0
libressl-v3.5.0
libressl-v3.5.1
libressl-v3.6.0
libressl-v3.6.1
libressl-v3.6.2
libressl-v3.7.0
libressl-v3.7.1
libressl-v3.7.2
v2.*
v2.1.2
v2.1.3
v2.1.4
v2.2.0
v2.2.1
v2.2.2
v2.3.0
v2.3.1
v2.3.2
v2.4.0
v2.4.1
v2.5.0
v2.5.1
v2.5.2
v2.6.0
v2.6.1
v2.6.2
v2.7.0
v2.7.1
v2.8.0
v2.8.1
v2.9.0
v3.*
v3.0.0
v3.0.1
v3.1.0
v3.2.0
v3.2.1
v3.3.0
v3.3.1
v3.3.2
v3.4.0
v3.5.0
v3.5.1
v3.6.0
v3.6.1
v3.6.2
v3.7.0
v3.7.1
v3.7.2
Database specific
vanir_signatures
[
{
"id": "CVE-2023-35784-54e5d3b7",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"318029086928463328978880662858799719559",
"38581269024580834936979536530738007553",
"289431370978073966754050857004753806111",
"237554259802663005882124020248922010992",
"55220800006065477010725795313990725964"
]
},
"source": "https://github.com/libressl/openbsd/commit/ec44842c68b88bb1c93a8d517ef859e8a456a822",
"target": {
"file": "src/lib/libssl/s3_lib.c"
}
},
{
"id": "CVE-2023-35784-55fcfbb8",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"function_hash": "275837915516327575572512449369328465332",
"length": 1139.0
},
"source": "https://github.com/libressl/openbsd/commit/ec44842c68b88bb1c93a8d517ef859e8a456a822",
"target": {
"file": "src/lib/libssl/s3_lib.c",
"function": "ssl3_free"
}
},
{
"id": "CVE-2023-35784-6b7f9c19",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"function_hash": "275837915516327575572512449369328465332",
"length": 1139.0
},
"source": "https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54",
"target": {
"file": "src/lib/libssl/s3_lib.c",
"function": "ssl3_free"
}
},
{
"id": "CVE-2023-35784-6d3514d1",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"function_hash": "179503027444079463257166586757167826824",
"length": 1018.0
},
"source": "https://github.com/libressl/openbsd/commit/242532e946dd73e728b67bfe0915634d91462442",
"target": {
"file": "src/lib/libssl/s3_lib.c",
"function": "ssl3_free"
}
},
{
"id": "CVE-2023-35784-81ca270c",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"318029086928463328978880662858799719559",
"38581269024580834936979536530738007553",
"289431370978073966754050857004753806111",
"237554259802663005882124020248922010992",
"55220800006065477010725795313990725964"
]
},
"source": "https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54",
"target": {
"file": "src/lib/libssl/s3_lib.c"
}
},
{
"id": "CVE-2023-35784-cc4e1e37",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"318029086928463328978880662858799719559",
"167570896660061044803044394243221479805",
"236761717147379022131078656568025718482",
"280851328767504689644122720762551246455",
"111262196369619851026950638376073380677"
]
},
"source": "https://github.com/libressl/openbsd/commit/242532e946dd73e728b67bfe0915634d91462442",
"target": {
"file": "src/lib/libssl/s3_lib.c"
}
}
]
vanir_signatures_modified
"2026-07-08T19:18:29Z"
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-35784.json"