CVE-2008-1687

CVE-2008-1687 is a high-severity vulnerability in Gnu M4 with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The (1) maketemp and (2) mkstemp builtin functions in GNU m4 before 1.4.11 do not quote their output when a file is created, which might allow context-dependent attackers to trigger a macro expansion, leading to unspecified use of an incorrect filename.

Frequently asked questions

What is CVE-2008-1687?
The (1) maketemp and (2) mkstemp builtin functions in GNU m4 before 1.4.11 do not quote their output when a file is created, which might allow context-dependent attackers to trigger a macro expansion, leading to unspecified use of an incorrect filename.
How severe is CVE-2008-1687?
CVE-2008-1687 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-1687 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1687?
CVE-2008-1687 affects Gnu M4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-1687?
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-2008-1687 published?
CVE-2008-1687 was published on 2008-04-09 and last updated on 2026-06-16.

References

Affected products (1)

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