Out-of-bounds Read in Tcpdump

CVE-2017-12995

The DNS parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-domain.c:ns_print().

EPSS: 0.024 (82.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-12995?
CVE-2017-12995 is a critical-severity vulnerability in Tcpdump, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 9.8/10. Published 2017-09-14.
How severe is CVE-2017-12995?
Critical severity. CVSS v3 base score is 9.8 out of 10.