Preview Tool

Cisco Bug: CSCur29956 - UNIX-EXT-SIGNAL: Segmentation fault(11), Process = DHCPv6 Server

Last Modified

Sep 17, 2019

Products (20)

  • Cisco IOS
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-FT-A Router
View all products in Bug Search Tool Login Required

Known Affected Releases

15.5(3)S 16.1(0)

Description (partial)

Device configured with DHCPv6 server may crash.
This issue affects the following release of Cisco IOS/Cisco IOS XE Software:

Cisco IOS Software:15.4(3)S, 15.4(3)S1, 15.4(3)SN1, 15.4(3)SN1a, 15.5(1)S, 15.5(1)SN
Cisco IOS XE Software: 3.13.0S, 3.13.1S, 3.14.0S

For the device to be affected, it has to be configured with DHCPv6 server and receive a crafted sequence exchange of DHCPv6 packets for a 
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.