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
7.8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.72 High
EPSS
Percentile
98.0%
Package : tomcat9
Version : 9.0.31-1~deb10u10
CVE ID : CVE-2023-44487
A regression was discovered in the Http2UpgradeHandler class of Tomcat 9
introduced by the patch to fix CVE-2023-44487 (Rapid Reset Attack). A wrong
value for the overheadcount variable forced HTTP2 connections to close early.
For Debian 10 buster, this problem has been fixed in version
9.0.31-1~deb10u10.
We recommend that you upgrade your tomcat9 packages.
For the detailed security status of tomcat9 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/tomcat9
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: This is a digitally signed message part
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | mipsel | libnghttp2-14 | < 1.43.0-1+deb11u1 | libnghttp2-14_1.43.0-1+deb11u1_mipsel.deb |
Debian | 11 | ppc64el | nghttp2-client | < 1.43.0-1+deb11u1 | nghttp2-client_1.43.0-1+deb11u1_ppc64el.deb |
Debian | 10 | all | nghttp2 | < 1.36.0-2+deb10u2 | nghttp2_1.36.0-2+deb10u2_all.deb |
Debian | 10 | all | tomcat9-user | < 9.0.31-1~deb10u9 | tomcat9-user_9.0.31-1~deb10u9_all.deb |
Debian | 12 | all | libnghttp2-doc | < 1.52.0-1+deb12u1 | libnghttp2-doc_1.52.0-1+deb12u1_all.deb |
Debian | 10 | all | tomcat9-examples | < 9.0.31-1~deb10u10 | tomcat9-examples_9.0.31-1~deb10u10_all.deb |
Debian | 11 | mipsel | nghttp2-client-dbgsym | < 1.43.0-1+deb11u1 | nghttp2-client-dbgsym_1.43.0-1+deb11u1_mipsel.deb |
Debian | 11 | armhf | libnghttp2-14 | < 1.43.0-1+deb11u1 | libnghttp2-14_1.43.0-1+deb11u1_armhf.deb |
Debian | 12 | i386 | nghttp2-proxy | < 1.52.0-1+deb12u1 | nghttp2-proxy_1.52.0-1+deb12u1_i386.deb |
Debian | 11 | armhf | nghttp2-client | < 1.43.0-1+deb11u1 | nghttp2-client_1.43.0-1+deb11u1_armhf.deb |
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
7.8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.72 High
EPSS
Percentile
98.0%