CVE-2025-1673

Out of bounds read when calling crc16_ansi and strlen in dns_validate_msg

State
Published
Severity
8.2 High
Published
Feb 25, 2025
Updated
Oct 13, 2026
Reserved
Feb 25, 2025

Read the record on cve.org

Description

A malicious or malformed DNS packet without a payload can cause an out-of-bounds read, resulting in a crash (denial of service) or an incorrect computation.

Scores

CVSSScoreVectorSource
3.18.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hzephyr

Weaknesses

Affected Products

ProductVersions
Zephyrzephyrproject-rtos
  • before 3.7.2Affected
  • 4.0.0 to before 4.1.0Affected

References

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