CVE-2009-2547 — Integer underflow 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) via a VoIP over Network (VON) packet to port 2305 with a negative packet_size value, which triggers a buffer over-read

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MEDIUM

Integer underflow 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) via a VoIP over Network (VON) packet to port 2305 with a negative packet_size value, which triggers a buffer over-read

Published Jul 20, 2009

5.0

MEDIUM

CVSS 2.0

EPSS 1.48%

Description

Integer underflow 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) via a VoIP over Network (VON) packet to port 2305 with a negative packet_size value, which triggers a buffer over-read.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.48% 0.01484

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.01484

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.48% (0.01484)	73.06th	v5 (v2026.06.15)
Jun 15, 2026	1.48% (0.01484)	70.52th	v5 (v2026.06.15)
Mar 17, 2025	0.61% (0.00613)	68.02th	v4 (v2025.03.14)
Dec 12, 2024	1.86% (0.01865)	88.87th	v3 (v2023.03.01)
Jul 10, 2024	1.86% (0.01865)	88.53th	v3 (v2023.03.01)
Mar 7, 2023	1.86% (0.01865)	86.51th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (1)

CWE-189

References (4)

http://aluigi.altervista.org/adv/armadioz-adv.txt
x_refsource_MISCExploit
http://secunia.com/advisories/35900
third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://www.vupen.com/english/advisories/2009/1951
vdb-entryx_refsource_VUPENVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/51820
vdb-entryx_refsource_XF

Link	Providers	Tags
http://aluigi.altervista.org/adv/armadioz-adv.txt		x_refsource_MISCExploit
http://secunia.com/advisories/35900		third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://www.vupen.com/english/advisories/2009/1951		vdb-entryx_refsource_VUPENVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/51820		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jul 20, 2009

Updated Aug 7, 2024

Reserved Jul 20, 2009

Link CVE-2009-2547

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2009-2547

Red Hat

Severity n/a

Public date n/a

Links CVE-2009-2547