
CVE catalog
CVE-2020-27207
UBUNTU-
Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read.
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.59% · Oct 27, 2026
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Ubuntu24.04 | sqlcipher | 3.4.1-2build1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu24.04 | sqlcipher | 4.5.5-3 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu24.04 | sqlcipher | 4.5.6-1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu24.04 | sqlcipher | 4.5.6-1build1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu24.04 | sqlcipher | 4.5.6-1build2 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu22.04 | sqlcipher | 3.4.1-2 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu22.04 | sqlcipher | 3.4.1-2build1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu20.04 | sqlcipher | 3.4.1-1build2 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu18.04 | sqlcipher | 3.4.1-1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu18.04 | sqlcipher | 3.4.1-1build1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu16.04 | sqlcipher | 3.2.0-1.1 | Affected | [UBUNTU-CVE-2020-27207] |
Provider details and historical evidence
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Ubuntu16.04 | sqlcipher | 3.2.0-1.1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu18.04 | sqlcipher | 3.4.1-1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu18.04 | sqlcipher | 3.4.1-1build1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu20.04 | sqlcipher | 3.4.1-1build2 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu22.04 | sqlcipher | 3.4.1-2 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu22.04 | sqlcipher | 3.4.1-2build1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu24.04 | sqlcipher | 3.4.1-2build1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu24.04 | sqlcipher | 4.5.5-3 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu24.04 | sqlcipher | 4.5.6-1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu24.04 | sqlcipher | 4.5.6-1build1 | Affected | [UBUNTU-CVE-2020-27207] |
| Ubuntu24.04 | sqlcipher | 4.5.6-1build2 | Affected | [UBUNTU-CVE-2020-27207] |
Original provider fields
{
"package_releases": [],
"fixed_versions": [],
"distribution_packages": [
{
"name": "sqlcipher",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "16.04",
"versions": [
"3.2.0-1.1"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-27207",
"fixed_version": "",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2020-27207",
"provider_updated_at": "2026-04-22T12:37:25.777161Z"
},
{
"name": "sqlcipher",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "18.04",
"versions": [
"3.4.1-1",
"3.4.1-1build1"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-27207",
"fixed_version": "",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2020-27207",
"provider_updated_at": "2026-04-22T12:37:25.777161Z"
},
{
"name": "sqlcipher",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "20.04",
"versions": [
"3.4.1-1build2"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-27207",
"fixed_version": "",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2020-27207",
"provider_updated_at": "2026-04-22T12:37:25.777161Z"
},
{
"name": "sqlcipher",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "22.04",
"versions": [
"3.4.1-2",
"3.4.1-2build1"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-27207",
"fixed_version": "",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2020-27207",
"provider_updated_at": "2026-04-22T12:37:25.777161Z"
},
{
"name": "sqlcipher",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "24.04",
"versions": [
"3.4.1-2build1",
"4.5.5-3",
"4.5.6-1",
"4.5.6-1build1",
"4.5.6-1build2"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-27207",
"fixed_version": "",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2020-27207",
"provider_updated_at": "2026-04-22T12:37:25.777161Z"
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
Observed: