CVE-2009-2548

CVE-2009-2548 is a critical-severity vulnerability in Bistudio Arma with a CVSS 2.0 base score of 10.0. 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-134.

Key facts

Description

Format string vulnerability in Armed Assault (aka ArmA) 1.14 and earlier, and 1.16 beta, and Armed Assault II 1.02 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in the (1) nickname and (2) datafile fields in a join request, which is not properly handled when logging an error message.

Frequently asked questions

What is CVE-2009-2548?
Format string vulnerability in Armed Assault (aka ArmA) 1.14 and earlier, and 1.16 beta, and Armed Assault II 1.02 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in the (1) nickname and (2) datafile fields in a join request, which is not properly handled when logging an error message.
How severe is CVE-2009-2548?
CVE-2009-2548 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-2548 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2548?
CVE-2009-2548 primarily affects Bistudio Arma. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2548?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-2548 published?
CVE-2009-2548 was published on 2009-07-20 and last updated on 2026-06-16.

References

Affected products (3)

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