5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
8.9 High
AI Score
Confidence
Low
0.732 High
EPSS
Percentile
98.1%
Package : nghttp2
Version : 1.36.0-2+deb10u2
CVE ID : CVE-2020-11080 CVE-2023-44487
Debian Bug : 962145 1053769
Multiple vulnerabilities were discovered in nghttp2, an implementation
of the HTTP/2 protocol.
CVE-2020-11080
A denial-of-service could be caused by a large HTTP/2 SETTINGS
frame payload.
CVE-2023-44487
A denial-of-service could be caused by resetting many HTTP/2
streams quickly. This has been observed in the wild since August.
For Debian 10 buster, these problems have been fixed in version
1.36.0-2+deb10u2.
We recommend that you upgrade your nghttp2 packages.
For the detailed security status of nghttp2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/nghttp2
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
Attachment:
signature.asc
Description: PGP signature
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | armhf | libnghttp2-dev | < 1.52.0-1+deb12u1 | libnghttp2-dev_1.52.0-1+deb12u1_armhf.deb |
Debian | 12 | ppc64el | nghttp2-proxy | < 1.52.0-1+deb12u1 | nghttp2-proxy_1.52.0-1+deb12u1_ppc64el.deb |
Debian | 12 | armel | nghttp2-server | < 1.52.0-1+deb12u1 | nghttp2-server_1.52.0-1+deb12u1_armel.deb |
Debian | 12 | armhf | nghttp2-proxy | < 1.52.0-1+deb12u1 | nghttp2-proxy_1.52.0-1+deb12u1_armhf.deb |
Debian | 11 | armhf | libnghttp2-14 | < 1.43.0-1+deb11u1 | libnghttp2-14_1.43.0-1+deb11u1_armhf.deb |
Debian | 11 | all | tomcat9-common | < 9.0.43-2~deb11u7 | tomcat9-common_9.0.43-2~deb11u7_all.deb |
Debian | 11 | mipsel | trafficserver | < 8.1.9+ds-1~deb11u1 | trafficserver_8.1.9+ds-1~deb11u1_mipsel.deb |
Debian | 12 | amd64 | nghttp2-server-dbgsym | < 1.52.0-1+deb12u1 | nghttp2-server-dbgsym_1.52.0-1+deb12u1_amd64.deb |
Debian | 11 | ppc64el | trafficserver-dbgsym | < 8.1.9+ds-1~deb11u1 | trafficserver-dbgsym_8.1.9+ds-1~deb11u1_ppc64el.deb |
Debian | 11 | arm64 | libnghttp2-14-dbgsym | < 1.43.0-1+deb11u1 | libnghttp2-14-dbgsym_1.43.0-1+deb11u1_arm64.deb |
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
8.9 High
AI Score
Confidence
Low
0.732 High
EPSS
Percentile
98.1%