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CVE-2015-8659
The idle stream handling in nghttp2 before 1.6.0 allows attackers to have unspecified impact via unknown vectors, aka a…
- 10.0CriticalCVSS base score
- 4.0%Exploitation in 30 daysEPSS · top 9.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 20 days later
· 20 days later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical10.0 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 4.0% · top 9.5% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 10.0.
Affected products
n/a
- affected n/a
References
15
- APPLE-SA-2016-03-21-5 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- GLSA-201612-06 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://support.apple.com/HT206167 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/HT206168 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20151223 Re: Use after free in nghttp2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 1035353 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- [oss-security] 20151223 Use after free in nghttp2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- APPLE-SA-2016-03-21-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- FEDORA-2016-54f85ec6e8 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- APPLE-SA-2016-03-21-2 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- https://nghttp2.org/blog/2015/12/23/nghttp2-v1-6-0/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2016-8e13ac5754 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- APPLE-SA-2016-03-21-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- https://support.apple.com/HT206169 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/HT206166 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-8536 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-8659)Record last updated .