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CVE-2026-41080

Medium priority

Some fixes available 4 of 74

libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.

23 affected packages

expat, xmlrpc-c, vnc4, wbxml2, swish-e...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
expat Fixed Fixed Ignored Ignored Ignored
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
libxmltok Not in release 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
firefox 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
thunderbird Not affected Not affected Not affected — —
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CVE-2026-34481

Medium priority
Needs evaluation

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point...

2 affected packages

apache-log4j1.2, apache-log4j2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache-log4j1.2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
apache-log4j2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34480

Medium priority
Needs evaluation

Apache Log4j Core's XmlLayout https://logging.apache.org/log4j/2.x/manual/layouts.html#XmlLayout , in versions up to and including 2.25.3, fails to sanitize characters forbidden by the XML 1.0 specification...

2 affected packages

apache-log4j1.2, apache-log4j2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache-log4j1.2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
apache-log4j2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34479

Medium priority
Needs evaluation

The Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1.0 standard, producing malformed XML output. Conforming XML parsers are required to reject documents containing such...

2 affected packages

apache-log4j1.2, apache-log4j2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache-log4j1.2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
apache-log4j2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34478

Medium priority
Needs evaluation

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.html#RFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of...

2 affected packages

apache-log4j1.2, apache-log4j2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache-log4j1.2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
apache-log4j2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34477

Medium priority
Needs evaluation

The fix for CVE-2025-68161 https://logging.apache.org/security.html#CVE-2025-68161 was incomplete: it addressed hostname verification only when enabled via...

1 affected package

apache-log4j2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache-log4j2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-4739

Medium priority
Ignored

Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (‎Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1.

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 Not affected Not affected Not affected Not affected Not affected
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 Not affected Not affected Not affected Not affected Not affected
vnc4 Not in release Not in release Not in release — Not affected
wbxml2 Not affected Not affected Not affected Not affected Not affected
swish-e Not affected Not affected Not affected Not affected Not affected
insighttoolkit4 Not in release Not in release Not affected Not affected Not affected
cadaver Not affected Not affected Not affected Not affected Not affected
gdcm 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 — —
coin3 Not affected Not affected Not affected Not affected Not affected
matanza Ignored Ignored Ignored Ignored Not affected
tdom Not affected Not affected Not affected Not affected Not affected
vtk Not in release Not in release Not in release — —
smart Not in release Not in release Not in release — Not affected
firefox Not affected Not affected Not affected — —
thunderbird Not affected Not affected Not affected — —
libxmltok Not in release Not affected Not affected Not affected Not affected
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CVE-2026-32778

Medium priority

Some fixes available 7 of 74

libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.

23 affected packages

expat, xmlrpc-c, vnc4, wbxml2, swish-e...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
expat Fixed Fixed Fixed Fixed Fixed
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
libxmltok Not in release 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
firefox 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
thunderbird Not affected Not affected Not affected — —
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CVE-2026-32777

Medium priority

Some fixes available 7 of 74

libexpat before 2.7.5 allows an infinite loop while parsing DTD content.

23 affected packages

expat, xmlrpc-c, vnc4, wbxml2, swish-e...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
expat Fixed Fixed Fixed Fixed Fixed
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
libxmltok Not in release 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
firefox 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
thunderbird Not affected Not affected Not affected — —
Show all 23 packages Show less packages

CVE-2026-32776

Medium priority

Some fixes available 7 of 74

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.

23 affected packages

expat, xmlrpc-c, vnc4, wbxml2, swish-e...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
expat Fixed Fixed Fixed Fixed Fixed
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
libxmltok Not in release 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
firefox 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
thunderbird Not affected Not affected Not affected — —
Show all 23 packages Show less packages