CVE-2017-5597

7.5 highEPSS 2.0%

High (7.5) in wireshark wireshark. EPSS 2.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

7.5 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-190
Published: 2017-01-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wireshark:wireshark

References

http://www.debian.org/security/2017/dsa-3811
http://www.securityfocus.com/bid/95798
http://www.securitytracker.com/id/1037694
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13345
https://code.wireshark.org/review/#/c/19747/

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