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Unrated severityNVD Advisory· Published Jun 15, 2010· Updated Jun 16, 2026

CVE-2009-4893

CVE-2009-4893

Description

Buffer overflow in UnrealIRCd 3.2beta11 through 3.2.8, when allow::options::noident is enabled, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

32
  • Unrealircd/Unrealircd32 versions
    cpe:2.3:a:unrealircd:unrealircd:3.2.1:*:*:*:*:*:*:*+ 31 more
    • cpe:2.3:a:unrealircd:unrealircd:3.2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.1:pre1:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.1:pre2:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.2:pre1:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.3:pre1:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.3:pre2:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.3:pre3:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.3:pre4:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.4:*:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.4:pre1:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.4:pre2:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.4:rc1:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.4:rc2:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.4:rc3:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.5:*:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.5:rc1:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.5:rc2:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.5:rc3:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.6:*:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.6:rc1:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.6:rc2:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.6:rc3:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.7:*:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.7:rc1:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.7:rc2:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.8:*:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.8:rc1:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2.8:rc2:*:*:*:*:*:*
    • cpe:2.3:a:unrealircd:unrealircd:3.2:beta11:*:*:*:*:*:*
    • (no CPE)range: >=3.2beta11, <=3.2.8

Patches

Vulnerability mechanics

References

4

News mentions

0

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