SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-2776

buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted…

EXPLOITHIGH 7.5EPSS 89.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 89.5%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted query.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
89.48% probability · 100th percentile
Public exploits
1 in Exploit-DB · first 4 October 2016
CISA KEV
Not listed
Weakness
CWE-20
Affected
oracle/linux · oracle/vm server · isc/bind · hp/hp-ux · oracle/solaris
Source
cve@mitre.org
EPSS trend
0%45%90%4 November 2026: 89.48%4 November 20264 November 2026

EPSS 89.5% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-40453source ↗ISC BIND 9 - Denial of Servicemultiple · Infobytedos4 October 2016no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.