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RedHatRHSA-2023:5837HistoryOct 18, 2023 - 9:50 a.m.
(RHSA-2023:5837) Important: nghttp2 security update
2023-10-1809:50:53
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54
nghttp2
security update
http/2
ddos vulnerability
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.732 High
EPSS
Percentile
98.1%
nghttp2 contains the Hypertext Transfer Protocol version 2 (HTTP/2) client, server, and proxy programs as well as a library implementing the HTTP/2 protocol in C.
Security Fix(es):
- HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| RedHat | 8 | ppc64le | nghttp2-debuginfo | < 1.33.0-5.el8_8 | nghttp2-debuginfo-1.33.0-5.el8_8.ppc64le.rpm |
| RedHat | 8 | ppc64le | libnghttp2 | < 1.33.0-5.el8_8 | libnghttp2-1.33.0-5.el8_8.ppc64le.rpm |
| RedHat | 8 | ppc64le | nghttp2 | < 1.33.0-5.el8_8 | nghttp2-1.33.0-5.el8_8.ppc64le.rpm |
| RedHat | 8 | aarch64 | libnghttp2-debuginfo | < 1.33.0-5.el8_8 | libnghttp2-debuginfo-1.33.0-5.el8_8.aarch64.rpm |
| RedHat | 8 | aarch64 | nghttp2 | < 1.33.0-5.el8_8 | nghttp2-1.33.0-5.el8_8.aarch64.rpm |
| RedHat | 8 | s390x | libnghttp2-debuginfo | < 1.33.0-5.el8_8 | libnghttp2-debuginfo-1.33.0-5.el8_8.s390x.rpm |
| RedHat | 8 | ppc64le | libnghttp2-devel | < 1.33.0-5.el8_8 | libnghttp2-devel-1.33.0-5.el8_8.ppc64le.rpm |
| RedHat | 8 | x86_64 | nghttp2 | < 1.33.0-5.el8_8 | nghttp2-1.33.0-5.el8_8.x86_64.rpm |
| RedHat | 8 | i686 | nghttp2-debugsource | < 1.33.0-5.el8_8 | nghttp2-debugsource-1.33.0-5.el8_8.i686.rpm |
| RedHat | 8 | aarch64 | nghttp2-debuginfo | < 1.33.0-5.el8_8 | nghttp2-debuginfo-1.33.0-5.el8_8.aarch64.rpm |
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Denial Of Service (DoS)
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7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.732 High
EPSS
Percentile
98.1%
Related for RHSA-2023:5837