CVE-2015-8659

critical
Published 2016-01-12 · Modified 2026-05-06
CVSS v3
10.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v2
10.0
VIR risk
10.0

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.

Predictions

Exploit likelihood
98%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-8659

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://support.apple.com/HT206169

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://support.apple.com/HT206168

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://support.apple.com/HT206167

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://support.apple.com/HT206166

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://nghttp2.org/blog/2015/12/23/nghttp2-v1-6-0/

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1.6.0-1
debian debianbullseyefixed1.6.0-1
debian debianforkyfixed1.6.0-1
debian debiansidfixed1.6.0-1
debian debiantrixiefixed1.6.0-1
macos macosaffected

Application impact

VendorProductVersionsFixed
nghttp2nghttp2{"endIncluding":"1.5.0"}

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.