UBUNTU-CVE-2018-14337

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Source
https://ubuntu.com/security/CVE-2018-14337
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14337.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-14337
Upstream
Published
2018-07-17T03:29:00Z
Modified
2025-07-18T16:44:42Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrbstrresize function in string.c does not check for a negative length.

References

Affected packages

Ubuntu:Pro:16.04:LTS / mruby

Package

Name
mruby
Purl
pkg:deb/ubuntu/mruby@1.2.0+20160315+git4f20d58a-1?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

1.*

1.1.0+20150817+gita1731254-1
1.1.0+20150906+git1cbbb7e1-1
1.2.0+20160315+git4f20d58a-1

Ubuntu:Pro:18.04:LTS / mruby

Package

Name
mruby
Purl
pkg:deb/ubuntu/mruby@1.4.0-1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

1.*

1.3.0-1
1.3.0+20170925+git38185028-1
1.3.0+20171029+git77edafb0-1
1.4.0-1