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By the Year

In 2022 there have been 0 vulnerabilities in Nghttp2 . Nghttp2 did not have any published security vulnerabilities last year.

Year Vulnerabilities Average Score
2022 0 0.00
2021 0 0.00
2020 1 7.50
2019 0 0.00
2018 1 7.50

It may take a day or so for new Nghttp2 vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Nghttp2 Security Vulnerabilities

In nghttp2 before version 1.41.0, the overly large HTTP/2 SETTINGS frame payload causes denial of service

CVE-2020-11080 7.5 - High - June 03, 2020

In nghttp2 before version 1.41.0, the overly large HTTP/2 SETTINGS frame payload causes denial of service. The proof of concept attack involves a malicious client constructing a SETTINGS frame with a length of 14,400 bytes (2400 individual settings entries) over and over again. The attack causes the CPU to spike at 100%. nghttp2 v1.41.0 fixes this vulnerability. There is a workaround to this vulnerability. Implement nghttp2_on_frame_recv_callback callback, and if received frame is SETTINGS frame and the number of settings entries are large (e.g., > 32), then drop the connection.

Improper Neutralization

nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC frame handling

CVE-2018-1000168 7.5 - High - May 08, 2018

nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC frame handling that can result in segmentation fault leading to denial of service. This attack appears to be exploitable via network client. This vulnerability appears to have been fixed in >= 1.31.1.

Improper Input Validation

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