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CVE-2026-29170

Medium priority
Needs evaluation

A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in Apache HTTP Server 2.4.67 and earlier when listing FTP directory contents either via forward or reverse proxy configuration. Users...

1 affected package

apache2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-29167

Medium priority
Needs evaluation

Use After Free vulnerability in Apache HTTP Server with mod_ldap in per-directory configuration This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

1 affected package

apache2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-50219

Medium priority
Needs evaluation

[Unknown description]

23 affected packages

apache2, apr-util, ayttm, cableswig, cadaver...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Not affected Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected Not affected
ayttm Not in release Not in release Not in release
cableswig Not in release Not in release Not in release
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
cmake Not affected Not affected Not affected Not affected Not affected
coin3 Not affected Not affected Not affected Not affected Needs evaluation
expat Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
firefox Not affected Not affected Not affected
gdcm Not affected Not affected Not affected Not affected Needs evaluation
ghostscript Not affected Not affected Not affected Not affected Not affected
insighttoolkit4 Not in release Not in release Needs evaluation Needs evaluation Needs evaluation
libxmltok Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
matanza Ignored Ignored Ignored Ignored Needs evaluation
smart Not in release Not in release Not in release Needs evaluation
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
texlive-bin Not affected Not affected Not affected Not affected Not affected
thunderbird Not affected Not affected Not affected
vnc4 Not in release Not in release Not in release Needs evaluation
vtk Not in release Not in release Not in release
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-49975

Medium priority

Some fixes available 4 of 16

HTTP/2 Bomb denial of service issue

2 affected packages

apache2, nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Fixed Fixed Fixed Needs evaluation Needs evaluation
nginx Vulnerable Vulnerable Vulnerable Needs evaluation Needs evaluation
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CVE-2026-45186

Medium priority
Needs evaluation

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.

23 affected packages

apache2, apr-util, ayttm, cableswig, cadaver...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Not affected Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected Not affected
ayttm Not in release Not in release Not in release
cableswig Not in release Not in release Not in release
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
cmake Not affected Not affected Not affected Not affected Not affected
coin3 Not affected Not affected Not affected Not affected Needs evaluation
expat Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
firefox Not affected Not affected Not affected
gdcm Not affected Not affected Not affected Not affected Needs evaluation
ghostscript Not affected Not affected Not affected Not affected Not affected
insighttoolkit4 Not in release Not in release Needs evaluation Needs evaluation Needs evaluation
libxmltok Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
matanza Ignored Ignored Ignored Ignored Needs evaluation
smart Not in release Not in release Not in release Needs evaluation
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
texlive-bin Not affected Not affected Not affected Not affected Not affected
thunderbird Not affected Not affected Not affected
vnc4 Not in release Not in release Not in release Needs evaluation
vtk Not in release Not in release Not in release
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34059

Low priority

Some fixes available 4 of 8

Buffer Over-read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

1 affected package

apache2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2026-34032

Low priority

Some fixes available 4 of 8

Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

1 affected package

apache2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2026-33857

Low priority

Some fixes available 4 of 8

Out-of-bounds Read vulnerability in mod_proxy_ajp of Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

1 affected package

apache2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2026-33523

Low priority

Some fixes available 4 of 8

HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers. This issue affects Apache HTTP Server: from through 2.4.66. Users are recommended to upgrade to version...

1 affected package

apache2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2026-33007

Low priority

Some fixes available 4 of 8

A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration. Users are recommended to upgrade...

1 affected package

apache2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Fixed Fixed Fixed Needs evaluation Needs evaluation
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