NG
Product
nghttp2
On CISA KEVExploited in the wild
9
CVEs
1
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 1High 5Medium 2Low 1
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Add nghttp2 to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2023-44487 In wildKEV | 7.5 | Oct 10 | HTTP/2 Rapid Reset Attack Vulnerability Affected: before 1.57.0 |
| CVE-2015-8659 | 10.0 | Jan 12 | 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 Affected: through 1.5.0 |
| CVE-2026-27135 | 7.5 | Mar 18 | nghttp2 Denial of service: Assertion failure due to the missing state validation Affected: < 1.68.1 |
| CVE-2023-35945 | 7.5 | Jul 13 | Envoy vulnerable to HTTP/2 memory leak in nghttp2 codec Affected: before 1.55.1 |
| CVE-2020-11080 | 7.5 | Jun 3 | In nghttp2 before version 1.41.0, the overly large HTTP/2 SETTINGS frame payload causes denial of service Affected: before 1.41.0 |
| CVE-2018-1000168 | 7.5 | May 8 | 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… Affected: 1.10.0 through 1.31.0 |
| CVE-2026-58055 | 5.4 | Jun 28 | nghttp2 nghttpx - HTTP Request/Response Smuggling via Upgrade Request with Content-Length Affected: through 1.69.0 |
| CVE-2024-28182 | 5.3 | Apr 4 | Reading unbounded number of HTTP/2 CONTINUATION frames to cause excessive CPU usage Affected: < 1.61.0 |
| CVE-2016-1544 | 3.3 | Feb 6 | nghttp2 before 1.7.1 allows remote attackers to cause a denial of service (memory exhaustion) Affected: before 1.7.1 |
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