CVE-2012-5663

Name: CVE-2012-5663
Creator: NVD / NIST
Published: 2019-12-30T22:15:11.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.24%

Last modified Jun 16, 2026

CVE-2012-5663 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The isearch package (textproc/isearch) before 1.47.01nb1 uses the tempnam() function to create insecure temporary files into a publicly-writable area (/tmp).. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

The isearch package (textproc/isearch) before 1.47.01nb1 uses the tempnam() function to create insecure temporary files into a publicly-writable area (/tmp).

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openbsd	Textproc\/Isearch	< 1.47.01nb1

References

http://gnats.netbsd.org/47360Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/12/21/2Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/12/21/3Mailing List, Third Party Advisory
https://access.redhat.com/security/cve/cve-2012-5663Broken Link
https://security-tracker.debian.org/tracker/CVE-2012-5663Third Party Advisory
http://gnats.netbsd.org/47360Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/12/21/2Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/12/21/3Mailing List, Third Party Advisory
https://access.redhat.com/security/cve/cve-2012-5663Broken Link
https://security-tracker.debian.org/tracker/CVE-2012-5663Third Party Advisory

Timeline

Published: Dec 30, 2019
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-5663?

The isearch package (textproc/isearch) before 1.47.01nb1 uses the tempnam() function to create insecure temporary files into a publicly-writable area (/tmp).

How severe is CVE-2012-5663?

CVE-2012-5663 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2012-5663?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST