The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.

Threat-Mapped Scoring

Score: 1.5

Priority: P4 - Informational (Low)

• S10 – Denial of Service

EPSS

Score: 0.04459
Percentile: 0.88603

CVSS Scoring

Mapped CWE(s)

• CWE-476 : NULL Pointer Dereference

Affected Products

• cpe:2.3:a:ethereal:ethereal:*:*:*:*:*:*:*:*

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