How severe is CVE-2012-5663?

CVE-2012-5663 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2012-5663 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5663?

CVE-2012-5663 affects Openbsd Textproc/isearch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-5663?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-5663 published?

CVE-2012-5663 was published on 2019-12-30 and last updated on 2026-06-16.

CVE-2012-5663

CVE-2012-5663 is a high-severity vulnerability in Openbsd Textproc/isearch with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Openbsd Textproc/isearch
Published: 2019-12-30
Last modified: 2026-06-16

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).

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 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2012-5663 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5663?: CVE-2012-5663 affects Openbsd Textproc/isearch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-5663?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-5663 published?: CVE-2012-5663 was published on 2019-12-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:openbsd:textproc\/isearch:*:*:*:*:*:*:*:*

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