CRITICAL
The idle stream handling in nghttp2 before 1.6.0 allows attackers to have unspecified impact via unknown vectors, aka a heap-use-after-free bug
Published Jan 12, 2016
10.0
CRITICALCVSS 3.0
EPSS 3.96%
Description
The idle stream handling in nghttp2 before 1.6.0 allows attackers to have unspecified impact via unknown vectors, aka a heap-use-after-free bug.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
10.0 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact High
Availability Impact High
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.96% 0.03964
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03964
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.96% (0.03964) | 90.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.07% (0.04073) | 89.33th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.51% (0.02509) | 83.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.50% (0.04503) | 81.51th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.30% (0.02301) | 83.60th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.13% (0.02129) | 89.65th | v3 (v2023.03.01) |
| Feb 11, 2024 | 2.13% (0.02129) | 88.87th | v3 (v2023.03.01) |
| Jun 24, 2023 | 1.86% (0.01860) | 86.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.32% (0.01319) | 83.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (15)
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html vendor-advisoryx_refsource_APPLE
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175085.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175423.html vendor-advisoryx_refsource_FEDORA
- http://www.openwall.com/lists/oss-security/2015/12/23/10 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2015/12/23/6 mailing-listx_refsource_MLIST
- http://www.securitytracker.com/id/1035353 vdb-entryx_refsource_SECTRACK
- https://nghttp2.org/blog/2015/12/23/nghttp2-v1-6-0/ x_refsource_CONFIRMPatchVendor Advisory
- https://security.gentoo.org/glsa/201612-06 vendor-advisoryx_refsource_GENTOO
- https://support.apple.com/HT206166 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206167 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206168 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206169 x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 12, 2016
Updated Aug 6, 2024
Reserved Dec 23, 2015
Link CVE-2015-8659
CISA Vulnrichment
Updated n/a