Public Date:
708301: CVE-2011-1910 bind: Large RRSIG RRsets and Negative Caching can crash named

The MITRE CVE dictionary describes this issue as:

Off-by-one error in named in ISC BIND 9.x before 9.7.3-P1, 9.8.x before 9.8.0-P2, 9.4-ESV before 9.4-ESV-R4-P1, and 9.6-ESV before 9.6-ESV-R4-P1 allows remote DNS servers to cause a denial of service (assertion failure and daemon exit) via a negative response containing large RRSIG RRsets.

Find out more about CVE-2011-1910 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect bind packages shipped with Red Hat Enterprise Linux 4 and 5. It affected bind97 packages shipped with Red Hat Enterprise Linux 5 and bind packages shipped with Red Hat Enterprise Linux 6.

CVSS v2 metrics

Base Score 5
Base Metrics AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 5 (bind97) RHSA-2011:0845 2011-05-31
Red Hat Enterprise Linux 6 (bind) RHSA-2011:0845 2011-05-31

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 bind Not affected
Red Hat Enterprise Linux 4 bind Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation


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