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Including CVEs outside Waratek scope✕Oracle product: Oracle Communications / Routing (Nghttp2)✕
Overview 3 matches · 1 in Waratek scope · 0 protected · 1 exploited · 1 CISA KEV · 1 public PoC · 2 EPSS ≥ 0.5
3matches 1in Waratek scope33.3% 0protected0.0% 1exploited33.3% 1CISA KEV33.3% 1public PoC33.3% 2EPSS ≥ 0.566.7%
Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 1 33.3% No exploit published 0 0.0% Outside Waratek scope 0 0.0% Not applicable 2 66.7% Withdrawn CVE 0 0.0%
Critical 0 0.0% High 2 66.7% Medium 1 33.3% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 3 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 1 33.3% Working exploit published 0 0.0% Proof of concept only 0 0.0% Forecast only 1 33.3% No public exploit 1 33.3%
split by peak 1 / quarter
Not applicable: 2Mitigation candidate: 1 Medium: 1High: 2 not blocked: 3 No public exploit: 1Forecast only: 1Exploited: 1
Q4 231 Mitigation candidate1 High1 not blocked1 Exploited1 Q1 240 Q2 241 Not applicable1 Medium1 not blocked1 Forecast only1 Q3 240 Q4 240 Q1 250 Q2 250 Q3 250 Q4 250 Q1 261 Not applicable1 High1 not blocked1 No public exploit1
Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26
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CVE Severity Published▾ Status Exploitation Description
CVE-2026-27135 High 2026-03-18 Not applicable No public exploit nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API `nghttp2_session_terminate_session` or `nghttp2_session_terminate_session2` is called by the application. They might be called internally by the library when it detects the situation that is subject to connection error. Due to the missing internal state validation, the library keeps reading the rest of the data after one of those APIs is called. Then receiving a malformed frame that causes FRAME_SIZE_ERROR causes assertion failure. nghttp2 v1.68.1 adds missing state validation to avoid assertion failure. No known workarounds are available.
CVE-2024-28182 Medium 2024-04-04 Not applicable Forecast only nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream. nghttp2 v1.61.0 mitigates this vulnerability by limiting the number of CONTINUATION frames it accepts per stream. There is no workaround for this vulnerability.
CVE-2023-44487 High 2023-10-10 Mitigation candidate Exploited 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 October 2023.