CVE-2017-5597
wireshark: DHCPv6 large loop (wnpa-sec-2017-02)
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · January 23, 2017
Updated · May 13, 2026
Description
In Wireshark 2.2.0 to 2.2.3 and 2.0.0 to 2.0.9, the DHCPv6 dissector could go into a large loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dhcpv6.c by changing a data type to avoid an integer overflow.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')