Http2
Vendor:
First CVE: Dec 8, 2022 · Active for 3 years
5
Total CVEs
More Total CVEs than 77% of tracked products
1.7
Avg CVEs / Year
Higher CVE frequency than 59% of tracked products
7.1
Avg CVSS
Higher Avg CVSS than 42% of tracked products
20.0%
KEV Rate
Higher KEV Rate than 98% of tracked products
Trends Over Time
The number and severity of CVEs published that impact Http2 over time
Volume of CVEsAvg CVSS Base Score
First CVE
Dec 8, 2022
3 years ago
Most Recent CVE
May 7, 2026
78 days ago
CVE Severity & Scoring
Http25 CVEs
20%
80%
All CVEs352,294 CVEs
45%
40%
11%
MediumHigh
Attack Vector
Local0 (0.0%)
Network5 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low5 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None5 (100.0%)
Unknown0 (0.0%)
Required0 (0.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None5 (100.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (5 CVEs).
5 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2023-44487HIGH The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through | Oct 10, 2023 | 7.5 | 97 | YES | YES |
CVE-2026-33814HIGH When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0. | May 7, 2026 | 7.5 | 39 | NO | NO |
CVE-2022-41723HIGH A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests. | Feb 28, 2023 | 7.5 | 27 | NO | NO |
CVE-2023-39325HIGH A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded | Oct 11, 2023 | 7.5 | 26 | NO | NO |
CVE-2022-41717MEDIUM An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the | Dec 8, 2022 | 5.3 | 19 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (5 CVEs).
CISA KEV
1 CVE
20.0% of CVEs· 98th percentile
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
1 CVE
20.0% of CVEs· 89th percentile
Social Chatter
Signals from CVEs in this product scope (5 CVEs).
Media Mentions
Signals from CVEs in this product scope (5 CVEs).
Top CNAs Publishing CVEs For Http2
Top CWEs
Versions
No cataloged versions.