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High severity7.5NVD Advisory· Published Apr 24, 2017· Updated Jun 17, 2026

CVE-2015-1521

CVE-2015-1521

Description

analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not properly handle zero values of a packet length, which allows remote attackers to cause a denial of service (buffer overflow or buffer over-read if NDEBUG; otherwise assertion failure) via a crafted DNP3 packet.

AI Insight

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

Affected products

2
  • Bro/Bro2 versions
    cpe:2.3:a:bro:bro:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:bro:bro:*:*:*:*:*:*:*:*range: <=2.3.1
    • (no CPE)range: <2.3.2

Patches

Vulnerability mechanics

References

1

News mentions

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