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CVE-2026-32854

Medium priority
Needs evaluation

LibVNCServer versions 0.9.15 and prior (fixed in commit dc78dee) contain null pointer dereference vulnerabilities in the HTTP proxy handlers within httpProcessInput() in httpd.c that allow remote attackers to cause a denial of...

6 affected packages

libvncserver, vino, x11vnc, veyon, italc, tightvnc

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libvncserver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vino Needs evaluation Needs evaluation Needs evaluation Needs evaluation
x11vnc Needs evaluation Needs evaluation Needs evaluation Needs evaluation
veyon Needs evaluation Needs evaluation Needs evaluation
italc Not in release Not in release Needs evaluation
tightvnc Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-32853

Medium priority
Needs evaluation

LibVNCServer versions 0.9.15 and prior (fixed in commit 009008e) contain a heap out-of-bounds read vulnerability in the UltraZip encoding handler that allows a malicious VNC server to cause information disclosure or application...

6 affected packages

veyon, libvncserver, vino, x11vnc, italc, tightvnc

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
veyon Needs evaluation Needs evaluation Needs evaluation
libvncserver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vino Needs evaluation Needs evaluation Needs evaluation Needs evaluation
x11vnc Needs evaluation Needs evaluation Needs evaluation Needs evaluation
italc Not in release Not in release Needs evaluation
tightvnc Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-4739

Medium priority
Needs evaluation

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

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

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
smart Not in release Not in release Needs evaluation
expat Needs evaluation Needs evaluation Needs evaluation Needs evaluation
apache2 Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected
cmake Not affected Not affected Not affected Not affected
ghostscript Not affected Not affected Not affected Not affected
texlive-bin Not affected Not affected Not affected Not affected
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vnc4 Not in release Not in release Needs evaluation
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation
insighttoolkit4 Not in release Needs evaluation Needs evaluation Needs evaluation
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
gdcm Not affected Not affected Not affected Needs evaluation
ayttm Not in release Not in release
cableswig Not in release Not in release
coin3 Not affected Not affected Not affected Needs evaluation
matanza Ignored Ignored Ignored Needs evaluation
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vtk Not in release Not in release
firefox Not affected Not affected
thunderbird Not affected Not affected
libxmltok Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-27135

Medium priority
Needs evaluation

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API `nghttp2_session_terminate_session` or...

1 affected package

nghttp2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nghttp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-32778

Medium priority
Needs evaluation

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, coin3, apache2, apr-util, cmake...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
expat Needs evaluation Needs evaluation Needs evaluation Needs evaluation
coin3 Not affected Not affected Not affected Needs evaluation
apache2 Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected
cmake Not affected Not affected Not affected Not affected
ghostscript Not affected Not affected Not affected Not affected
texlive-bin Not affected Not affected Not affected Not affected
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vnc4 Not in release Not in release Needs evaluation
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation
insighttoolkit4 Not in release Needs evaluation Needs evaluation Needs evaluation
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
gdcm Not affected Not affected Not affected Needs evaluation
ayttm Not in release Not in release
cableswig Not in release Not in release
matanza Ignored Ignored Ignored Needs evaluation
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vtk Not in release Not in release
smart Not in release Not in release Needs evaluation
firefox Not affected Not affected
thunderbird Not affected Not affected
libxmltok Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-32777

Medium priority
Needs evaluation

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

23 affected packages

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

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
expat Needs evaluation Needs evaluation Needs evaluation Needs evaluation
apache2 Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected
cmake Not affected Not affected Not affected Not affected
ghostscript Not affected Not affected Not affected Not affected
texlive-bin Not affected Not affected Not affected Not affected
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vnc4 Not in release Not in release Needs evaluation
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation
insighttoolkit4 Not in release Needs evaluation Needs evaluation Needs evaluation
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
gdcm Not affected Not affected Not affected Needs evaluation
ayttm Not in release Not in release
cableswig Not in release Not in release
coin3 Not affected Not affected Not affected Needs evaluation
matanza Ignored Ignored Ignored Needs evaluation
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vtk Not in release Not in release
smart Not in release Not in release Needs evaluation
firefox Not affected Not affected
thunderbird Not affected Not affected
libxmltok Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-32776

Medium priority
Needs evaluation

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

23 affected packages

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

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
expat Needs evaluation Needs evaluation Needs evaluation Needs evaluation
apache2 Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected
cmake Not affected Not affected Not affected Not affected
ghostscript Not affected Not affected Not affected Not affected
texlive-bin Not affected Not affected Not affected Not affected
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vnc4 Not in release Not in release Needs evaluation
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation
insighttoolkit4 Not in release Needs evaluation Needs evaluation Needs evaluation
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
gdcm Not affected Not affected Not affected Needs evaluation
ayttm Not in release Not in release
cableswig Not in release Not in release
coin3 Not affected Not affected Not affected Needs evaluation
matanza Ignored Ignored Ignored Needs evaluation
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vtk Not in release Not in release
smart Not in release Not in release Needs evaluation
firefox Not affected Not affected
thunderbird Not affected Not affected
libxmltok Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-25210

Medium priority

Some fixes available 12 of 67

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.

23 affected packages

expat, coin3, apache2, apr-util, cmake...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
expat Fixed Fixed Fixed Fixed
coin3 Not affected Not affected Not affected Needs evaluation
apache2 Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected
cmake Not affected Not affected Not affected Not affected
ghostscript Not affected Not affected Not affected Not affected
texlive-bin Not affected Not affected Not affected Not affected
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vnc4 Not in release Not in release Needs evaluation
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation
insighttoolkit4 Not in release Needs evaluation Needs evaluation Needs evaluation
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
gdcm Not affected Not affected Not affected Needs evaluation
ayttm Not in release Not in release
cableswig Not in release Not in release
matanza Ignored Ignored Ignored Needs evaluation
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vtk Not in release Not in release
smart Not in release Not in release Needs evaluation
firefox Not affected Not affected
thunderbird Not affected Not affected
libxmltok Fixed Fixed Fixed Fixed
Show all 23 packages Show less packages

CVE-2025-59375

Medium priority

Some fixes available 1 of 75

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

23 affected packages

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

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
expat Needs evaluation Needs evaluation Needs evaluation Needs evaluation
apache2 Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation
cmake Not affected Not affected Not affected Not affected
ghostscript Not affected Not affected Not affected Not affected
texlive-bin Not affected Not affected Not affected Not affected
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vnc4 Not in release Not in release Needs evaluation
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation
insighttoolkit4 Not in release Needs evaluation Needs evaluation Needs evaluation
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
gdcm Not affected Not affected Not affected Needs evaluation
ayttm Not in release Not in release
cableswig Not in release Not in release
coin3 Not affected Not affected Not affected Needs evaluation
matanza Ignored Ignored Ignored Needs evaluation
vtk Not in release Not in release
smart Not in release Not in release Needs evaluation
firefox Not affected Not affected
thunderbird Not affected Not affected
libxmltok Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show all 23 packages Show less packages

CVE-2026-24515

Medium priority

Some fixes available 12 of 67

In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.

23 affected packages

apache2, apr-util, cmake, ghostscript, texlive-bin...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
apache2 Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected
cmake Not affected Not affected Not affected Not affected
ghostscript Not affected Not affected Not affected Not affected
texlive-bin Not affected Not affected Not affected Not affected
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vnc4 Not in release Not in release Needs evaluation
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation
insighttoolkit4 Not in release Needs evaluation Needs evaluation Needs evaluation
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
gdcm Not affected Not affected Not affected Needs evaluation
ayttm Not in release Not in release
cableswig Not in release Not in release
coin3 Not affected Not affected Not affected Needs evaluation
matanza Ignored Ignored Ignored Needs evaluation
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation
vtk Not in release Not in release
smart Not in release Not in release Needs evaluation
firefox Not affected Not affected
thunderbird Not affected Not affected
libxmltok Fixed Fixed Fixed Fixed
expat Fixed Fixed Fixed Fixed
Show all 23 packages Show less packages