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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

expat, apache2, apr-util, cmake, ghostscript...

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

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

mod_authn_socache crash

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-2026-33006

Low priority

Some fixes available 4 of 8

mod_auth_digest timing attack

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-2026-29169

Low priority

Some fixes available 4 of 8

A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs. The only known...

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-2026-29168

Low priority

Some fixes available 4 of 8

mod_md unrestricted OCSP response

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-2026-28780

Low priority

Some fixes available 4 of 8

buffer overflow in mod_proxy_ajp via ajp_msg_check_header()

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
Show less packages