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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 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
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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 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
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CVE-2026-4519

Medium priority
Needs evaluation

The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. New behavior rejects leading dashes. Users are recommended to sanitize URLs prior to passing...

14 affected packages

jython, pypy3, python2.7, python3.4, python3.5...

Package 22.04 LTS
jython Needs evaluation
pypy3 Needs evaluation
python2.7 Needs evaluation
python3.4 Not in release
python3.5 Not in release
python3.6 Not in release
python3.7 Not in release
python3.8 Not in release
python3.9 Not in release
python3.10 Needs evaluation
python3.11 Needs evaluation
python3.12 Not in release
python3.13 Not in release
python3.14 Not in release
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CVE-2026-4438

Medium priority
Needs evaluation

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the...

2 affected packages

glibc, eglibc

Package 22.04 LTS
glibc Needs evaluation
eglibc Not in release
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CVE-2026-4437

Medium priority
Needs evaluation

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server,...

2 affected packages

glibc, eglibc

Package 22.04 LTS
glibc Needs evaluation
eglibc Not in release
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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 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 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 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
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CVE-2026-3836

Medium priority

Not in release

[Unknown description]

1 affected package

dnf5

Package 22.04 LTS
dnf5 Not in release
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CVE-2026-34085

Medium priority
Needs evaluation

(fontconfig before 2.17.1 has an off-by-one error in allocation during ...)

1 affected package

fontconfig

Package 22.04 LTS
fontconfig Needs evaluation
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CVE-2026-33699

Medium priority
Needs evaluation

[Unknown description]

2 affected packages

pypdf, pypdf2

Package 22.04 LTS
pypdf Not in release
pypdf2 Needs evaluation
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