CVE-2015-8659

high-risk
Published 2016-01-12

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.

Do I need to act?

~
2.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
10
CVSS 10.0/10 Critical
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Nghttp2 Apple

References (30)

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.ht...
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175423.ht...
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
Patch https://nghttp2.org/blog/2015/12/23/nghttp2-v1-6-0/
https://security.gentoo.org/glsa/201612-06
Vendor Advisory https://support.apple.com/HT206166
Vendor Advisory https://support.apple.com/HT206167
Vendor Advisory https://support.apple.com/HT206168
Vendor Advisory https://support.apple.com/HT206169
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.ht...
and 10 more references
50
/ 100
high-risk
Severity 33/34 · Critical
Exploitability 5/34 · Minimal
Exposure 12/34 · Low