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CVE-2026-4688

Medium priority
Vulnerable

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected
thunderbird Not affected Vulnerable
mozjs38 Not in release Not in release Needs evaluation
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored
mozjs78 Not in release Ignored
mozjs91 Not in release Ignored
mozjs102 Ignored Ignored
mozjs115 Ignored Not in release
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CVE-2026-4687

Medium priority
Vulnerable

Sandbox escape due to incorrect boundary conditions in the Telemetry component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected
thunderbird Not affected Vulnerable
mozjs38 Not in release Not in release Needs evaluation
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored
mozjs78 Not in release Ignored
mozjs91 Not in release Ignored
mozjs102 Ignored Ignored
mozjs115 Ignored Not in release
Show all 9 packages Show less packages

CVE-2026-4686

Medium priority
Vulnerable

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected
thunderbird Not affected Vulnerable
mozjs38 Not in release Not in release Needs evaluation
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored
mozjs78 Not in release Ignored
mozjs91 Not in release Ignored
mozjs102 Ignored Ignored
mozjs115 Ignored Not in release
Show all 9 packages Show less packages

CVE-2026-4685

Medium priority
Vulnerable

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected
thunderbird Not affected Vulnerable
mozjs38 Not in release Not in release Needs evaluation
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored
mozjs78 Not in release Ignored
mozjs91 Not in release Ignored
mozjs102 Ignored Ignored
mozjs115 Ignored Not in release
Show all 9 packages Show less packages

CVE-2026-4684

Medium priority
Vulnerable

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected
thunderbird Not affected Vulnerable
mozjs38 Not in release Not in release Needs evaluation
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored
mozjs78 Not in release Ignored
mozjs91 Not in release Ignored
mozjs102 Ignored Ignored
mozjs115 Ignored Not in release
Show all 9 packages Show less packages

CVE-2026-4371

Medium priority
Vulnerable

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser...

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected
thunderbird Not affected Vulnerable
mozjs38 Not in release Not in release Needs evaluation
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored
mozjs78 Not in release Ignored
mozjs91 Not in release Ignored
mozjs102 Ignored Ignored
mozjs115 Ignored Not in release
Show all 9 packages Show less packages

CVE-2026-3889

Medium priority
Vulnerable

Spoofing issue in Thunderbird. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected
thunderbird Not affected Vulnerable
mozjs38 Not in release Not in release Needs evaluation
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored
mozjs78 Not in release Ignored
mozjs91 Not in release Ignored
mozjs102 Ignored Ignored
mozjs115 Ignored Not in release
Show all 9 packages Show less packages

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-2026-32778

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
Show all 23 packages Show less packages