CVE-2017-5850
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a...
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header.
- Record
CVE-2017-5850- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-770
- Updated
- 2026-11-02
CVE List No score
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header.
- Record
CVE-2017-5850- Updated
- 2026-11-02
EUVDEUVD-2017-14927 No score
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header.
- Record
EUVD-2017-14927- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w557-652h-8mqq
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a...
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header.
- Record
GHSA-w557-652h-8mqq- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | OpenBSD HTTPd < 6.0 - Memory Exhaustion Denial of Service | 2017-02-07 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-5850 is a high vulnerability (CVSS 7.5) in Openbsd, published March 27, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 17.2%, the 97th percentile. No source names a fixed version.
References
openwall.com/lists/oss-security/2017/02/02/6
pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html
securityfocus.com/bid/95997
github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df
exploit-db.com/exploits/41278
securitytracker.com/id/1037758
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marc.info?l=openbsd-cvs&m=148587359420912&w=2
ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig
seclists.org/fulldisclosure/2017/Feb/15
packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html
nvd.nist.gov/vuln/detail/CVE-2017-5850