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Vulnerability details: VCID-d26w-y23c-q7d1
Vulnerability ID VCID-d26w-y23c-q7d1
Aliases CVE-2015-8659
Summary Nghttp2 is vulnerable to a heap-use-after-free flaw in idle stream handling code.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
Reference id Reference type URL
http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175085.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175423.html
https://api.first.org/data/v1/epss?cve=CVE-2015-8659
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8659
https://nghttp2.org/blog/2015/12/23/nghttp2-v1-6-0/
https://support.apple.com/HT206166
https://support.apple.com/HT206167
https://support.apple.com/HT206168
https://support.apple.com/HT206169
http://www.openwall.com/lists/oss-security/2015/12/23/10
http://www.openwall.com/lists/oss-security/2015/12/23/6
http://www.securitytracker.com/id/1035353
cpe:2.3:a:nghttp2:nghttp2:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:nghttp2:nghttp2:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
CVE-2015-8659 https://nvd.nist.gov/vuln/detail/CVE-2015-8659
GLSA-201612-06 https://security.gentoo.org/glsa/201612-06
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2015-8659
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2015-8659
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Exploit Prediction Scoring System (EPSS)
Percentile 0.84301
EPSS Score 0.02186
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:11:34.275463+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201612-06 38.0.0