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CVE-2026-55766

Medium priority
Needs evaluation

guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Prior to 2.12.1, guzzlehttp/psr7 did not reject CR/LF characters in certain first-party HTTP start-line fields: the request method, protocol version, and...

1 affected package

php-guzzlehttp-psr7

Package 20.04 LTS
php-guzzlehttp-psr7 Needs evaluation
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CVE-2026-54604

Medium priority
Needs evaluation

[Unknown description]

1 affected package

openslide

Package 20.04 LTS
openslide Needs evaluation
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CVE-2026-53492

High priority
Not affected

[Unknown description]

3 affected packages

containerd, containerd-app, containerd-stable

Package 20.04 LTS
containerd Not affected
containerd-app Not affected
containerd-stable
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CVE-2026-53489

High priority
Not affected

[Unknown description]

3 affected packages

containerd, containerd-app, containerd-stable

Package 20.04 LTS
containerd Not affected
containerd-app Not affected
containerd-stable
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CVE-2026-53488

High priority
Fixed

[Unknown description]

3 affected packages

containerd, containerd-app, containerd-stable

Package 20.04 LTS
containerd Fixed
containerd-app Fixed
containerd-stable
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CVE-2026-50195

High priority
Not affected

[Unknown description]

3 affected packages

containerd, containerd-app, containerd-stable

Package 20.04 LTS
containerd Not affected
containerd-app Not affected
containerd-stable
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CVE-2026-47262

Medium priority
Fixed

[Unknown description]

3 affected packages

containerd, containerd-app, containerd-stable

Package 20.04 LTS
containerd Fixed
containerd-app Fixed
containerd-stable
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CVE-2026-12804

Medium priority
Needs evaluation

A vulnerability was detected in lemonldap-ng up to 2.23.0. Impacted is an unknown function in the library lemonldap-ng-portal/lib/Lemonldap/NG/Portal/CDC.pm of the component SAML Common Domain Cookie Endpoint. Performing a...

1 affected package

lemonldap-ng

Package 20.04 LTS
lemonldap-ng Needs evaluation
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CVE-2026-56412

Medium priority
Needs evaluation

libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE:...

23 affected packages

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

Package 20.04 LTS
expat Needs evaluation
apache2 Not affected
apr-util Not affected
cmake Not affected
ghostscript Not affected
texlive-bin Not affected
xmlrpc-c Needs evaluation
vnc4
wbxml2 Needs evaluation
swish-e Needs evaluation
insighttoolkit4 Needs evaluation
cadaver Needs evaluation
gdcm Not affected
ayttm
cableswig
coin3 Not affected
matanza Ignored
tdom Needs evaluation
vtk
smart
firefox
thunderbird
libxmltok Needs evaluation
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CVE-2026-56411

Medium priority
Needs evaluation

xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.

23 affected packages

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

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