UBUNTU-CVE-2018-20375

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Source
https://ubuntu.com/security/CVE-2018-20375
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20375.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-20375
Upstream
Published
2018-12-23T18:29:00Z
Modified
2025-09-08T16:45:06Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to an 8 byte out of bounds write in the sym_pop function in tccgen.c.

References

Affected packages

Ubuntu:22.04:LTS

tcc

Package

Name
tcc
Purl
pkg:deb/ubuntu/tcc@0.9.27+git20200814.62c30a4a-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.27+git20200814.62c30a4a-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtcc-dev",
            "binary_version": "0.9.27+git20200814.62c30a4a-1"
        },
        {
            "binary_name": "tcc",
            "binary_version": "0.9.27+git20200814.62c30a4a-1"
        }
    ]
}

Ubuntu:24.04:LTS

tcc

Package

Name
tcc
Purl
pkg:deb/ubuntu/tcc@0.9.27+git20200814.62c30a4a-1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.27+git20200814.62c30a4a-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtcc-dev",
            "binary_version": "0.9.27+git20200814.62c30a4a-1"
        },
        {
            "binary_name": "tcc",
            "binary_version": "0.9.27+git20200814.62c30a4a-1"
        }
    ]
}

Ubuntu:25.04

tcc

Package

Name
tcc
Purl
pkg:deb/ubuntu/tcc@0.9.27+git20200814.62c30a4a-2?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.27+git20200814.62c30a4a-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtcc-dev",
            "binary_version": "0.9.27+git20200814.62c30a4a-2"
        },
        {
            "binary_name": "tcc",
            "binary_version": "0.9.27+git20200814.62c30a4a-2"
        }
    ]
}

Ubuntu:Pro:16.04:LTS

tcc

Package

Name
tcc
Purl
pkg:deb/ubuntu/tcc@0.9.27~git20151227.933c223-1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.27~git20140923.9d7fb33-3ubuntu1
0.9.27~git20151227.933c223-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtcc-dev",
            "binary_version": "0.9.27~git20151227.933c223-1"
        },
        {
            "binary_name": "tcc",
            "binary_version": "0.9.27~git20151227.933c223-1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS

tcc

Package

Name
tcc
Purl
pkg:deb/ubuntu/tcc@0.9.27-5?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.27~git20161217.cd9514ab-3ubuntu1
0.9.27-2
0.9.27-4
0.9.27-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtcc-dev",
            "binary_version": "0.9.27-5"
        },
        {
            "binary_name": "tcc",
            "binary_version": "0.9.27-5"
        }
    ]
}

Ubuntu:Pro:20.04:LTS

tcc

Package

Name
tcc
Purl
pkg:deb/ubuntu/tcc@0.9.27-8?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.27-8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtcc-dev",
            "binary_version": "0.9.27-8"
        },
        {
            "binary_name": "tcc",
            "binary_version": "0.9.27-8"
        }
    ]
}