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CVE-2016-9564

Buffer overflow in send_redirect() in Boa Webserver 0.92r allows remote attackers to DoS via an...

7.5 High

Buffer overflow in send_redirect() in Boa Webserver 0.92r allows remote attackers to DoS via an HTTP GET request requesting a long URI with only '/' and '.' characters.

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

1.44%Up 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Buffer overflow in send_redirect() in Boa Webserver 0.92r allows remote attackers to DoS via an HTTP GET request requesting a long URI with only '/' and '.' characters.

Record
CVE-2016-9564
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

Buffer overflow in send_redirect() in Boa Webserver 0.92r allows remote attackers to DoS via an HTTP GET request requesting a long URI with only '/' and '.' characters.

Record
CVE-2016-9564
Updated
2026-11-02
EUVDEUVD-2016-10370 No score

Buffer overflow in send_redirect() in Boa Webserver 0.92r allows remote attackers to DoS via an HTTP GET request requesting a long URI with only '/' and '.' characters.

Record
EUVD-2016-10370
Updated
2026-11-03
GitHub AdvisoriesGHSA-h874-fgv9-3qxw 7.5

Buffer overflow in send_redirect() in Boa Webserver 0.92r allows remote attackers to DoS via an...

Buffer overflow in send_redirect() in Boa Webserver 0.92r allows remote attackers to DoS via an HTTP GET request requesting a long URI with only '/' and '.' characters.

Record
GHSA-h874-fgv9-3qxw
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-9564 is a high vulnerability (CVSS 7.5) in Boa, published November 30, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.44%, the 73rd percentile. No source names a fixed version.

References

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