DEBIAN-CVE-2023-44487

Advisory lineage Upstream: 1 Downstream: 12
Upstream
CVE-2023-44487
Published: 10 Oct 2023, 14:15
Last modified:28 Apr 2026, 20:26

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Oct 2023, 14:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:26
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•dnsdist

    all | all | < 1.8.2-2 | < 1.8.2-2

  • debian•grpc

    all | all | all | all

  • debian•h2o

    all | all

  • debian•haproxy

    < 1.8.13-1 | < 1.8.13-1 | < 1.8.13-1 | < 1.8.13-1

  • debian•jetty9

    < 9.4.50-4+deb11u1 | < 9.4.50-4+deb12u2 | < 9.4.53-1 | < 9.4.53-1

  • debian•netty

    < 1:4.1.48-4+deb11u2 | < 1:4.1.48-7+deb12u1 | < 1:4.1.48-8 | < 1:4.1.48-8

  • debian•nghttp2

    < 1.43.0-1+deb11u1 | < 1.52.0-1+deb12u1 | < 1.57.0-1 | < 1.57.0-1

  • debian•nginx

    all | all | < 1.24.0-2 | < 1.24.0-2

  • debian•tomcat10

    < 10.1.6-1+deb12u1 | < 10.1.14-1 | < 10.1.14-1

  • debian•tomcat9

    < 9.0.43-2~deb11u7 | < 9.0.70-2 | < 9.0.70-2 | < 9.0.70-2

  • debian•trafficserver

    < 8.1.9+ds-1~deb11u1 | < 9.2.3+ds-1+deb12u1

  • debian•varnish

    all | all | < 7.5.0-1 | < 7.5.0-1

References (1)