CVE-2005-0893

CVE-2005-0893 is a high-severity vulnerability in Smail with a CVSS 2.0 base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

modes.c in smail 3.2.0.120 implements signal handlers with certain unsafe library calls, which may allow attackers to execute arbitrary code via signal handler race conditions, possibly using xmalloc.

Frequently asked questions

What is CVE-2005-0893?
modes.c in smail 3.2.0.120 implements signal handlers with certain unsafe library calls, which may allow attackers to execute arbitrary code via signal handler race conditions, possibly using xmalloc.
How severe is CVE-2005-0893?
CVE-2005-0893 has a CVSS 2.0 base score of 7.6, rated high severity.
Is CVE-2005-0893 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0893?
CVE-2005-0893 affects Smail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-0893?
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-2005-0893 published?
CVE-2005-0893 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (1)

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