CVE-2020-27794
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-27794
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27794.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-27794
- Downstream
- Published
- 2022-08-19T23:15:08Z
- Modified
- 2025-11-11T17:08:15.284430Z
- Severity
-
- 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A double free issue was discovered in radare2 in cmdinfo.c:cmdinfo(). Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.
- References
Affected packages
Git / github.com/radare/radare2
Affected ranges
- Type
- GIT
- Repo
- https://github.com/radare/radare2
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
0.*
0.10.0
0.10.1
0.10.2
0.10.3
0.10.4
0.10.4-termux4
0.10.5
0.10.6
0.8.6
0.8.8
0.9
0.9.2
0.9.4
0.9.6
0.9.7
0.9.8
0.9.8-rc1
0.9.8-rc2
0.9.8-rc3
0.9.8-rc4
0.9.9
1.*
1.0
1.0.0
1.0.1
1.0.2
1.1.0
1.2.0
1.2.0-git
1.3.0
1.3.0-git
1.4.0
1.5.0
1.6.0
2.*
2.0.0
2.0.1
2.1.0
2.2.0
2.4.0
2.5.0
2.6.0
2.6.9
2.7.0
2.8.0
2.9.0
3.*
3.0.0
3.0.1
3.1.0
3.1.1
3.1.2
3.1.3
3.2.0
3.2.1
3.3.0
3.4.0
3.4.1
3.5.0
3.5.1
3.6.0
3.7.0
3.7.1
3.8.0
3.9.0
4.*
4.0.0
4.1.0
4.1.1
4.2.0
4.2.1
4.3.0
4.3.1
Other
Continuous-Windows
continuous
radare2-windows-nightly
termux
Database specific
vanir_signatures
[
{
"id": "CVE-2020-27794-231ef07b",
"deprecated": false,
"digest": {
"length": 19258.0,
"function_hash": "244292947791401580523619951343614918559"
},
"target": {
"function": "fcn_recurse",
"file": "libr/anal/fcn.c"
},
"source": "https://github.com/radare/radare2/commit/9ea0b7ce566cfdcfb3513f407c4056915204294a",
"signature_version": "v1",
"signature_type": "Function"
},
{
"id": "CVE-2020-27794-dd8f2939",
"deprecated": false,
"digest": {
"line_hashes": [
"274805908220688149522755239760777672229",
"119466392069489334944469399236725859120",
"33443597288417089084816862781691635747",
"274718893259183668102575589565194103045"
],
"threshold": 0.9
},
"target": {
"file": "libr/anal/fcn.c"
},
"source": "https://github.com/radare/radare2/commit/9ea0b7ce566cfdcfb3513f407c4056915204294a",
"signature_version": "v1",
"signature_type": "Line"
}
]
Git / github.com/radareorg/radare2
Affected ranges
- Type
- GIT
- Repo
- https://github.com/radareorg/radare2
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
0.*
0.10.0
0.10.1
0.10.2
0.10.3
0.10.4
0.10.4-termux4
0.10.5
0.10.6
0.8.6
0.8.8
0.9
0.9.2
0.9.4
0.9.6
0.9.7
0.9.8
0.9.8-rc1
0.9.8-rc2
0.9.8-rc3
0.9.8-rc4
0.9.9
1.*
1.0
1.0.0
1.0.1
1.0.2
1.1.0
1.2.0
1.2.0-git
1.3.0
1.3.0-git
1.4.0
1.5.0
1.6.0
2.*
2.0.0
2.0.1
2.1.0
2.2.0
2.4.0
2.5.0
2.6.0
2.6.9
2.7.0
2.8.0
2.9.0
3.*
3.0.0
3.0.1
3.1.0
3.1.1
3.1.2
3.1.3
3.2.0
3.2.1
3.3.0
3.4.0
3.4.1
3.5.0
3.5.1
3.6.0
3.7.0
3.7.1
3.8.0
3.9.0
4.*
4.0.0
4.1.0
4.1.1
4.2.0
4.2.1
4.3.0
4.3.1
Other
Continuous-Windows
continuous
radare2-windows-nightly
termux
Database specific
vanir_signatures
[
{
"id": "CVE-2020-27794-510853db",
"deprecated": false,
"digest": {
"line_hashes": [
"138568200380101474515248173706066320134",
"43673779240921768190295865062265256293",
"305284281041900347841736532953622015948",
"195673597347979343343427150668442446800"
],
"threshold": 0.9
},
"target": {
"file": "libr/core/core.c"
},
"source": "https://github.com/radareorg/radare2/commit/cb8b683758edddae2d2f62e8e63a738c39f92683",
"signature_version": "v1",
"signature_type": "Line"
}
]