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CVE-2026-66046

Medium priority
Vulnerable

Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an...

23 affected packages

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

Package 20.04 LTS
expat Vulnerable
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-2026-17084

Medium priority
Needs evaluation

The "stringprep" module didn't process characters from RFC 3454 tables B.2 or B.3 correctly: the latest Unicode codepoint attributes were used instead of the specified Unicode 3.2.0. This behavior would cause mismatches when...

11 affected packages

python2.7, python3.4, python3.5, python3.6, python3.7...

Package 20.04 LTS
python2.7 Needs evaluation
python3.4
python3.5
python3.6
python3.7
python3.8 Needs evaluation
python3.9 Needs evaluation
python3.10
python3.11
python3.12
python3.14
Show all 11 packages Show less packages

CVE-2026-75874

Medium priority
Ignored

Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154 and Thunderbird 154.

9 affected packages

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

Package 20.04 LTS
firefox
thunderbird
mozjs38
mozjs52 Ignored
mozjs68 Ignored
mozjs78
mozjs91
mozjs102
mozjs115
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CVE-2026-74990

Medium priority
Ignored

Internally found bugs present in Firefox ESR 115.38, Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with...

9 affected packages

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

Package 20.04 LTS
firefox
thunderbird
mozjs38
mozjs52 Ignored
mozjs68 Ignored
mozjs78
mozjs91
mozjs102
mozjs115
Show all 9 packages Show less packages

CVE-2026-74989

Medium priority
Ignored

Internally found bugs present in Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This...

9 affected packages

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

Package 20.04 LTS
firefox
thunderbird
mozjs38
mozjs52 Ignored
mozjs68 Ignored
mozjs78
mozjs91
mozjs102
mozjs115
Show all 9 packages Show less packages

CVE-2026-74988

Medium priority
Ignored

Internally found bugs present in Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been...

9 affected packages

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

Package 20.04 LTS
firefox
thunderbird
mozjs38
mozjs52 Ignored
mozjs68 Ignored
mozjs78
mozjs91
mozjs102
mozjs115
Show all 9 packages Show less packages

CVE-2026-74987

Medium priority
Ignored

Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of...

9 affected packages

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

Package 20.04 LTS
firefox
thunderbird
mozjs38
mozjs52 Ignored
mozjs68 Ignored
mozjs78
mozjs91
mozjs102
mozjs115
Show all 9 packages Show less packages

CVE-2026-74986

Medium priority
Ignored

Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

9 affected packages

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

Package 20.04 LTS
firefox
thunderbird
mozjs38
mozjs52 Ignored
mozjs68 Ignored
mozjs78
mozjs91
mozjs102
mozjs115
Show all 9 packages Show less packages

CVE-2026-74985

Medium priority
Ignored

Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

9 affected packages

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

Package 20.04 LTS
firefox
thunderbird
mozjs38
mozjs52 Ignored
mozjs68 Ignored
mozjs78
mozjs91
mozjs102
mozjs115
Show all 9 packages Show less packages

CVE-2026-74984

Medium priority
Ignored

Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

9 affected packages

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

Package 20.04 LTS
firefox
thunderbird
mozjs38
mozjs52 Ignored
mozjs68 Ignored
mozjs78
mozjs91
mozjs102
mozjs115
Show all 9 packages Show less packages