CVE-2016-2776: hp hp-ux Improper Input Validation
Vulnerability summary
CVE-2016-2776 is a high (CVSS 7.8) Improper Input Validation vulnerability in hp hp-ux. EPSS estimates a 89.48% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities. 2 public exploits are recorded.
Weaponized exploit (Metasploit, 27-09-2016)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 1Timeline
- 28-09-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · Red hatEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
89.48%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
No change 0.00 pp
From 89.48% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
2 foundISC BIND 9 - Denial of Service
Maturity: poc
BIND TSIG Query Denial of Service
auxiliary/dos/dns/bind_tsig
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat23 products
- bind< 30:9.3.6-25.P1.el5_11.9 | < 32:9.8.2-0.47.rc1.el6_8.1 | < 32:9.9.4-29.el7_2.4
- bind-chroot< 30:9.3.6-25.P1.el5_11.9 | < 32:9.8.2-0.47.rc1.el6_8.1 | < 32:9.9.4-29.el7_2.4
- bind-debuginfo< 30:9.3.6-25.P1.el5_11.9 | < 32:9.8.2-0.47.rc1.el6_8.1 | < 32:9.9.4-29.el7_2.4
- bind-devel< 30:9.3.6-25.P1.el5_11.9 | < 32:9.8.2-0.47.rc1.el6_8.1 | < 32:9.9.4-29.el7_2.4
- bind-libbind-devel< 30:9.3.6-25.P1.el5_11.9
Suse16 products
- bind&distro=SUSE Linux Enterprise Desktop 12 SP1< 9.9.9P1-46.1
- bind&distro=SUSE Linux Enterprise Point of Sale 11 SP3< 9.9.6P1-0.30.1
- bind&distro=SUSE Linux Enterprise Server 11 SP2-LTSS< 9.9.6P1-0.30.1
- bind&distro=SUSE Linux Enterprise Server 11 SP3-LTSS< 9.9.6P1-0.30.1
- bind&distro=SUSE Linux Enterprise Server 11 SP3-TERADATA< 9.9.6P1-0.30.1
Alpine1 product
- bind< 9.10.4_p3 | < 9.10.4_p3-r0
Debian1 product
- bind9< 1:9.10.3.dfsg.P4-11
Hp1 product
- hp-ux11.31
Isc1 product
- bind≤ 9.9.9 | 9.10.0 | 9.10.0:a1 | 9.10.0:a2 | 9.10.0:b1 | 9.10.0:b2 | 9.10.0:p1 | 9.10.0:p2 | 9.10.0:rc1 | 9.10.0:rc2 | 9.10.1 | 9.10.1:b1 | 9.10.1:b2 | 9.10.1:p1 | 9.10.1:p2 | 9.10.1:rc1 | 9.10.1:rc2 | 9.10.2:b1 | 9.10.2:p1 | 9.10.2:p2 | 9.10.2:p3 | 9.10.2:p4 | 9.10.2:rc1 | 9.10.2:rc2 | 9.10.3 | 9.10.3:b1 | 9.10.3:p1 | 9.10.3:p2 | 9.10.3:p3 | 9.10.3:p4 | 9.10.3:rc1 | 9.10.4:p2 | 9.10.4:p3 | 9.11.0:a1 | 9.11.0:a2 | 9.11.0:a3 | 9.11.0:b1 | 9.11.0:b2 | 9.11.0:b3 | 9.11.0:rc1
Ubuntu1 product
- bind9< 1:9.9.5.dfsg-3ubuntu0.9 | < 1:9.10.3.dfsg.P4-8ubuntu1.1
8 vendors · 47 products
References
36 links- kb.isc.org/article/AA-01438X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.htmlX Refsource CONFIRMThird Party Advisory
- kb.isc.org/article/AA-01435X Refsource CONFIRM
- security.netapp.com/advisory/ntap-20160930-0001/X Refsource CONFIRM
Show all 36 references
- www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.htmlX Refsource CONFIRMThird Party Advisory
- www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlX Refsource CONFIRMThird Party Advisory
- kb.isc.org/article/AA-01436X Refsource CONFIRM
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107X Refsource CONFIRMThird Party Advisory