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CVE-2011-2464

29
FAUCET Score

CVE-2011-2464 describes an unspecified vulnerability in ISC BIND versions 9.6.x, 9.7.x, and 9.8.x, allowing remote attackers to trigger a denial of service by crashing the named daemon through a specially crafted UPDATE request. With a CVSS score of 5.0, this vulnerability is considered medium severity, requiring no authentication and having low attack complexity, leading to a partial availability impact. Despite its FAUCET Risk Score of 94/100 and an EPSS score indicating higher exploitability than many CVEs, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
9.6CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6:*:*:*:*:*:*:*
9.6.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6.0:*:*:*:*:*:*:*
9.6.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6.0:p1:*:*:*:*:*:*
9.6.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6.0:rc1:*:*:*:*:*:*
9.6.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6.0:rc2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
19.27%
Probability of exploitation in next 30 days
EPSS Percentile
97.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1926 is in the 97th percentile among its peer group of 23,684 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: bind97-32:9.7.0-6.P2.el5_6.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: bind-32:9.7.3-2.el6_1.P3.2
View patch

Vendor Advisories (1)

redhatCVE-2011-2464Important

bind: Specially constructed packet will cause named to exit

Jul 5, 2011

References

blogs.oracle.com / sunsecurity/entry/cve_2011_2464_remote_denial
lists.apple.com / archives/Security-announce/2011//Oct/msg00003.html
lists.fedoraproject.org / pipermail/package-announce/2011-July/062522.html
lists.fedoraproject.org / pipermail/package-announce/2011-July/062846.html
lists.opensuse.org / opensuse-security-announce/2011-07/msg00002.html
lists.opensuse.org / opensuse-security-announce/2011-07/msg00004.html
lists.opensuse.org / opensuse-security-announce/2011-07/msg00006.html
marc.info
osvdb.org / 73605
secunia.com / advisories/45082
Vendor Advisory
secunia.com / advisories/45089
secunia.com / advisories/45143
secunia.com / advisories/45177
secunia.com / advisories/45185
Vendor Advisory
secunia.com / advisories/45223
secunia.com / advisories/45410
secunia.com / advisories/45412
exchange.xforce.ibmcloud.com / vulnerabilities/68375
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13997
support.apple.com / kb/HT5002
ubuntu.com / usn/USN-1163-1
debian.org / security/2011/dsa-2272
isc.org / software/bind/advisories/cve-2011-2464
kb.cert.org / vuls/id/142646
US Government Resource
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2011-0926.html
securityfocus.com / archive/1/518749/100/0/threaded
securityfocus.com / bid/48566
securitytracker.com / id
slackware.com / security/viewer.php