How severe is CVE-2011-1907?

CVE-2011-1907 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-1907 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1907?

CVE-2011-1907 affects Isc Bind. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-1907?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1907 published?

CVE-2011-1907 was published on 2011-05-09 and last updated on 2026-06-16.

CVE-2011-1907

CVE-2011-1907 is a medium-severity vulnerability in Isc Bind with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Isc Bind
Published: 2011-05-09
Last modified: 2026-06-16

Description

ISC BIND 9.8.x before 9.8.0-P1, when Response Policy Zones (RPZ) RRset replacement is enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an RRSIG query.

Frequently asked questions

What is CVE-2011-1907?: ISC BIND 9.8.x before 9.8.0-P1, when Response Policy Zones (RPZ) RRset replacement is enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an RRSIG query.
How severe is CVE-2011-1907?: CVE-2011-1907 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-1907 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1907?: CVE-2011-1907 affects Isc Bind. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-1907?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1907 published?: CVE-2011-1907 was published on 2011-05-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:isc:bind:9.8.0:*:*:*:*:*:*:*

More vulnerabilities in Isc Bind

CVE-2008-0122 — Critical (CVSS 10.0): Off-by-one error in the inet_network function in libbind in ISC BIND 9.4.2 and earlier, as used in libc in FreeBSD 6.2…
CVE-2001-0011 — Critical (CVSS 10.0): Buffer overflow in nslookupComplain function in BIND 4 allows remote attackers to gain root privileges.
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CVE-2001-0010 — Critical (CVSS 10.0): Buffer overflow in transaction signature (TSIG) handling code in BIND 8 allows remote attackers to gain root privileges.
CVE-2000-1029 — Critical (CVSS 10.0): Buffer overflow in host command allows a remote attacker to execute arbitrary commands via a long response to an AXFR…
CVE-1999-0837 — Critical (CVSS 10.0): Denial of service in BIND by improperly closing TCP sessions via so_linger.

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CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
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