ubuntu-cve-2020-37038
Vulnerability from osv_ubuntu
Published
2026-01-30 23:16
Modified
2026-05-20 14:52
Summary
Details
Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.
Severity
7.5 (High)
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "codeblocks",
"binary_version": "13.12+dfsg-4"
},
{
"binary_name": "codeblocks-common",
"binary_version": "13.12+dfsg-4"
},
{
"binary_name": "codeblocks-contrib",
"binary_version": "13.12+dfsg-4"
},
{
"binary_name": "libcodeblocks0",
"binary_version": "13.12+dfsg-4"
},
{
"binary_name": "libwxsmithlib0",
"binary_version": "13.12+dfsg-4"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "codeblocks",
"purl": "pkg:deb/ubuntu/codeblocks@13.12+dfsg-4?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"13.12-3.1build1",
"13.12+dfsg-4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "codeblocks",
"binary_version": "16.01+dfsg-2.1"
},
{
"binary_name": "codeblocks-common",
"binary_version": "16.01+dfsg-2.1"
},
{
"binary_name": "codeblocks-contrib",
"binary_version": "16.01+dfsg-2.1"
},
{
"binary_name": "libcodeblocks0",
"binary_version": "16.01+dfsg-2.1"
},
{
"binary_name": "libwxsmithlib0",
"binary_version": "16.01+dfsg-2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "codeblocks",
"purl": "pkg:deb/ubuntu/codeblocks@16.01+dfsg-2.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"16.01+dfsg-2.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "codeblocks",
"binary_version": "20.03-3"
},
{
"binary_name": "codeblocks-common",
"binary_version": "20.03-3"
},
{
"binary_name": "codeblocks-contrib",
"binary_version": "20.03-3"
},
{
"binary_name": "libcodeblocks0",
"binary_version": "20.03-3"
},
{
"binary_name": "libwxsmithlib0",
"binary_version": "20.03-3"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "codeblocks",
"purl": "pkg:deb/ubuntu/codeblocks@20.03-3?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"16.01+dfsg-2.1",
"17.12+dfsg-1",
"17.12+dfsg-1build1",
"20.03-3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "codeblocks",
"binary_version": "20.03-3.1"
},
{
"binary_name": "codeblocks-common",
"binary_version": "20.03-3.1"
},
{
"binary_name": "codeblocks-contrib",
"binary_version": "20.03-3.1"
},
{
"binary_name": "libcodeblocks0",
"binary_version": "20.03-3.1"
},
{
"binary_name": "libwxsmithlib0",
"binary_version": "20.03-3.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "codeblocks",
"purl": "pkg:deb/ubuntu/codeblocks@20.03-3.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"20.03-3",
"20.03-3.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "codeblocks",
"binary_version": "20.03+svn13046-0.3build2"
},
{
"binary_name": "codeblocks-common",
"binary_version": "20.03+svn13046-0.3build2"
},
{
"binary_name": "codeblocks-contrib",
"binary_version": "20.03+svn13046-0.3build2"
},
{
"binary_name": "libcodeblocks0t64",
"binary_version": "20.03+svn13046-0.3build2"
},
{
"binary_name": "libwxsmithlib0t64",
"binary_version": "20.03+svn13046-0.3build2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "codeblocks",
"purl": "pkg:deb/ubuntu/codeblocks@20.03+svn13046-0.3build2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"20.03+svn13046-0.1build1",
"20.03+svn13046-0.2",
"20.03+svn13046-0.3build1",
"20.03+svn13046-0.3build2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "codeblocks",
"binary_version": "25.03+dfsg-2"
},
{
"binary_name": "codeblocks-common",
"binary_version": "25.03+dfsg-2"
},
{
"binary_name": "codeblocks-contrib",
"binary_version": "25.03+dfsg-2"
},
{
"binary_name": "libcodeblocks0t64",
"binary_version": "25.03+dfsg-2"
},
{
"binary_name": "libwxsmithlib0t64",
"binary_version": "25.03+dfsg-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "codeblocks",
"purl": "pkg:deb/ubuntu/codeblocks@25.03+dfsg-2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"20.03+svn13046-0.4",
"25.03+dfsg-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "codeblocks",
"binary_version": "25.03+dfsg-2.1"
},
{
"binary_name": "codeblocks-common",
"binary_version": "25.03+dfsg-2.1"
},
{
"binary_name": "codeblocks-contrib",
"binary_version": "25.03+dfsg-2.1"
},
{
"binary_name": "libcodeblocks0t64",
"binary_version": "25.03+dfsg-2.1"
},
{
"binary_name": "libwxsmithlib0t64",
"binary_version": "25.03+dfsg-2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "codeblocks",
"purl": "pkg:deb/ubuntu/codeblocks@25.03+dfsg-2.1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"25.03+dfsg-2",
"25.03+dfsg-2.1"
]
}
],
"aliases": [],
"details": "Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.",
"id": "UBUNTU-CVE-2020-37038",
"modified": "2026-05-20T14:52:44Z",
"published": "2026-01-30T23:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-37038"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-37038"
},
{
"type": "REPORT",
"url": "https://www.exploit-db.com/exploits/48617"
},
{
"type": "REPORT",
"url": "http://www.codeblocks.org/"
},
{
"type": "REPORT",
"url": "https://sourceforge.net/projects/codeblocks"
},
{
"type": "REPORT",
"url": "https://www.vulncheck.com/advisories/code-blocks-denial-of-service"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2020-37038"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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