bind: race condition when handling socket errors can lead to an assertion failure in resolver.c
Published Dec 16, 2015
7.1
HIGHCVSS 2.0
EPSS 4.85%
Description
Race condition in resolver.c in named in ISC BIND 9.9.8 before 9.9.8-P2 and 9.10.3 before 9.10.3-P2 allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via unspecified vectors.
Affected products
No data.
- 8.4.7
- 9.0
- 9.0.1
- 9.1
- 9.1.1
- 9.1.2
- 9.1.3
- 9.2
- 9.2.0
- 9.2.1
- 9.2.2
- 9.2.2
- 9.2.3
- 9.2.4
- 9.2.5
- 9.2.6
- 9.2.7
- 9.3
- 9.3.0
- 9.3.1
- 9.3.2
- 9.3.3
- 9.4
- 9.4.0
- 9.4.0
- 9.4.1
- 9.4.2
- 9.4.3
- 9.4.3
- 9.5
- 9.5.0
- 9.5.0
- 9.5.1
- 9.5.1
- 9.5.1
- 9.5.2
- 9.5.2
- 9.5.3
- 9.5.3
- 9.6
- 9.6
- 9.6
- 9.6
- 9.6
- 9.6
- 9.6
- 9.6
- 9.6.0
- 9.6.0
- 9.6.0
- 9.6.0
- 9.6.1
- 9.6.1
- 9.6.1
- 9.6.1
- 9.6.1
- 9.6.2
- 9.6.2
- 9.6.3
- 9.6.3
- 9.7.0
- 9.7.0
- 9.7.0
- 9.7.0
- 9.7.0
- 9.7.0
- 9.7.1
- 9.7.1
- 9.7.1
- 9.7.1
- 9.7.2
- 9.7.2
- 9.7.2
- 9.7.2
- 9.7.2
- 9.7.3
- 9.7.3
- 9.7.3
- 9.7.3
- 9.7.4
- 9.7.4
- 9.7.4
- 9.7.4
- 9.7.5
- 9.7.5
- 9.7.5
- 9.7.5
- 9.7.6
- 9.7.6
- 9.7.6
- 9.7.7
- 9.8.0
- 9.8.0
- 9.8.0
- 9.8.0
- 9.8.0
- 9.8.0
- 9.8.0
- 9.8.1
- 9.8.1
- 9.8.1
- 9.8.1
- 9.8.1
- 9.8.1
- 9.8.2
- 9.8.2
- 9.8.2
- 9.8.3
- 9.8.3
- 9.8.3
- 9.8.4
- 9.8.5
- 9.8.5
- 9.8.5
- 9.8.5
- 9.8.5
- 9.8.5
- 9.8.5
- 9.8.6
- 9.8.6
- 9.8.6
- 9.9.0
- 9.9.0
- 9.9.0
- 9.9.0
- 9.9.0
- 9.9.0
- 9.9.0
- 9.9.0
- 9.9.0
- 9.9.0
- 9.9.1
- 9.9.1
- 9.9.1
- 9.9.2
- 9.9.3
- 9.9.3
- 9.9.3
- 9.9.3
- 9.9.3
- 9.9.3
- 9.9.3
- 9.9.4
- 9.9.5
- 9.9.6
- 9.9.6
- 9.9.7
- 9.9.7
- 9.9.7
- 9.9.7
- 9.9.8
- 9.9.8
- 9.9.8
- 9.10.0
- 9.10.1
- 9.10.1
- 9.10.2
- 9.10.2
- 9.10.2
- 9.10.2
- 9.10.2
- 9.10.2
- 9.10.3
- 9.10.3
No data.
Red Hat Enterprise Linux 4
bind
Not affected
Red Hat Enterprise Linux 5
bind
Not affected
Red Hat Enterprise Linux 5
bind97
Not affected
Red Hat Enterprise Linux 6
bind
Not affected
Red Hat Enterprise Linux 7
bind
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | bind | Not affected | n/a |
| Red Hat Enterprise Linux 5 | bind | Not affected | n/a |
| Red Hat Enterprise Linux 5 | bind97 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | bind | Not affected | n/a |
| Red Hat Enterprise Linux 7 | bind | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (45 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.85% (0.04848) | 91.74th | v5 (v2026.06.15) |
| Jun 23, 2026 | 4.85% (0.04848) | 90.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.54% (0.07541) | 93.71th | v5 (v2026.06.15) |
| May 9, 2026 | 16.00% (0.15997) | 94.81th | v4 (v2025.03.14) |
| May 1, 2026 | 14.67% (0.14674) | 94.50th | v4 (v2025.03.14) |
| Mar 24, 2026 | 8.10% (0.08096) | 92.08th | v4 (v2025.03.14) |
| Mar 4, 2026 | 9.36% (0.09361) | 92.63th | v4 (v2025.03.14) |
| Mar 1, 2026 | 25.56% (0.25562) | 96.14th | v4 (v2025.03.14) |
| Feb 4, 2026 | 9.36% (0.09361) | 92.57th | v4 (v2025.03.14) |
| Feb 1, 2026 | 25.56% (0.25562) | 96.11th | v4 (v2025.03.14) |
| Jan 4, 2026 | 9.36% (0.09361) | 92.51th | v4 (v2025.03.14) |
| Jan 1, 2026 | 25.56% (0.25562) | 96.09th | v4 (v2025.03.14) |
| Dec 4, 2025 | 9.36% (0.09361) | 92.46th | v4 (v2025.03.14) |
| Dec 1, 2025 | 25.56% (0.25562) | 96.05th | v4 (v2025.03.14) |
| Nov 4, 2025 | 9.36% (0.09361) | 92.41th | v4 (v2025.03.14) |
| Nov 1, 2025 | 25.56% (0.25562) | 96.03th | v4 (v2025.03.14) |
| Oct 4, 2025 | 9.36% (0.09361) | 92.46th | v4 (v2025.03.14) |
| Oct 1, 2025 | 25.56% (0.25562) | 96.07th | v4 (v2025.03.14) |
| Sep 4, 2025 | 9.36% (0.09361) | 92.48th | v4 (v2025.03.14) |
| Sep 1, 2025 | 25.56% (0.25562) | 96.06th | v4 (v2025.03.14) |
| Aug 4, 2025 | 9.36% (0.09361) | 92.43th | v4 (v2025.03.14) |
| Aug 1, 2025 | 25.56% (0.25562) | 96.04th | v4 (v2025.03.14) |
| Jul 5, 2025 | 9.36% (0.09361) | 92.38th | v4 (v2025.03.14) |
| Jul 1, 2025 | 25.67% (0.25668) | 96.00th | v4 (v2025.03.14) |
| Jun 5, 2025 | 9.92% (0.09919) | 92.59th | v4 (v2025.03.14) |
| Jun 1, 2025 | 25.67% (0.25668) | 95.96th | v4 (v2025.03.14) |
| May 14, 2025 | 9.92% (0.09919) | 92.59th | v4 (v2025.03.14) |
| May 13, 2025 | 25.67% (0.25668) | 95.91th | v4 (v2025.03.14) |
| May 12, 2025 | 9.92% (0.09919) | 92.58th | v4 (v2025.03.14) |
| May 9, 2025 | 25.67% (0.25668) | 95.91th | v4 (v2025.03.14) |
| May 4, 2025 | 9.92% (0.09919) | 92.57th | v4 (v2025.03.14) |
| May 1, 2025 | 25.67% (0.25668) | 95.93th | v4 (v2025.03.14) |
| Apr 12, 2025 | 9.92% (0.09919) | 92.31th | v4 (v2025.03.14) |
| Apr 11, 2025 | 25.67% (0.25668) | 95.80th | v4 (v2025.03.14) |
| Apr 2, 2025 | 9.92% (0.09919) | 92.30th | v4 (v2025.03.14) |
| Apr 1, 2025 | 25.67% (0.25668) | 95.80th | v4 (v2025.03.14) |
| Mar 30, 2025 | 9.92% (0.09919) | 92.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.71% (0.13707) | 90.43th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.92% (0.09919) | 92.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 12.34% (0.12336) | 95.65th | v3 (v2023.03.01) |
| Mar 18, 2023 | 12.34% (0.12336) | 94.48th | v3 (v2023.03.01) |
| Mar 7, 2023 | 11.09% (0.11095) | 94.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.08% (0.03082) | 83.76th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.08% (0.03082) | 82.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.08% (0.03082) | 64.73th | v2 (v2022.01.01) |
References (12)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174145.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174252.html vendor-advisoryx_refsource_FEDORA
- http://www.securityfocus.com/bid/79347 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034419 vdb-entryx_refsource_SECTRACK
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.539966 vendor-advisoryx_refsource_SLACKWARE
- https://access.redhat.com/security/cve/CVE-2015-8461 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1291186 Issue Tracking
- https://kb.isc.org/article/AA-01319 x_refsource_CONFIRMVendor Advisory
- https://kb.isc.org/article/AA-01380 x_refsource_CONFIRM
- https://kb.isc.org/article/AA-01438 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2015-8461
- https://www.cve.org/CVERecord?id=CVE-2015-8461
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174145.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174252.html | vendor-advisoryx_refsource_FEDORA | |
| http://www.securityfocus.com/bid/79347 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1034419 | vdb-entryx_refsource_SECTRACK | |
| http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.539966 | vendor-advisoryx_refsource_SLACKWARE | |
| https://access.redhat.com/security/cve/CVE-2015-8461 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1291186 | Issue Tracking | |
| https://kb.isc.org/article/AA-01319 | x_refsource_CONFIRMVendor Advisory | |
| https://kb.isc.org/article/AA-01380 | x_refsource_CONFIRM | |
| https://kb.isc.org/article/AA-01438 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8461 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-8461 |
Change history (0)
No recorded changes yet.