Out-of-bounds Read Affecting pavel-odintsov/fastnetmon package, versions [,1.2.9)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-UNMANAGED-PAVELODINTSOVFASTNETMON-17428161
  • published23 Jun 2026
  • disclosed2 Jun 2026
  • creditLorikeet Security

Introduced: 2 Jun 2026

NewCVE-2026-48682  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade pavel-odintsov/fastnetmon to version 1.2.9 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read in the simple_packet_parser_ng.cpp process. An attacker can trigger memory disclosure or cause type confusion by sending specially crafted IPv4 packets with manipulated IHL values to any packet capture interface.

CVSS Base Scores

version 4.0
version 3.1