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CVE-2026-0865

Medium priority

Some fixes available 1 of 2

User-controlled header names and values containing newlines can allow injecting HTTP headers.

12 affected packages

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

Package 16.04 LTS
python2.7 Needs evaluation
python3.4
python3.5 Fixed
python3.6
python3.7
python3.8
python3.9
python3.10
python3.11
python3.12
python3.13
python3.14
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CVE-2026-0672

Medium priority

Some fixes available 1 of 2

When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects all control characters within cookie names, values, and parameters.

12 affected packages

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

Package 16.04 LTS
python2.7 Needs evaluation
python3.4
python3.5 Fixed
python3.6
python3.7
python3.8
python3.9
python3.10
python3.11
python3.12
python3.13
python3.14
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CVE-2025-15367

Medium priority

Some fixes available 1 of 2

The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.

12 affected packages

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

Package 16.04 LTS
python2.7 Needs evaluation
python3.4
python3.5 Fixed
python3.6
python3.7
python3.8
python3.9
python3.10
python3.11
python3.12
python3.13
python3.14
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CVE-2025-15366

Medium priority

Some fixes available 1 of 2

The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.

12 affected packages

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

Package 16.04 LTS
python2.7 Needs evaluation
python3.4
python3.5 Fixed
python3.6
python3.7
python3.8
python3.9
python3.10
python3.11
python3.12
python3.13
python3.14
Show all 12 packages Show less packages

CVE-2025-15282

Medium priority

Some fixes available 1 of 2

User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.

12 affected packages

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

Package 16.04 LTS
python2.7 Needs evaluation
python3.4
python3.5 Fixed
python3.6
python3.7
python3.8
python3.9
python3.10
python3.11
python3.12
python3.13
python3.14
Show all 12 packages Show less packages

CVE-2025-11468

Medium priority
Not affected

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled...

12 affected packages

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

Package 16.04 LTS
python2.7 Not affected
python3.4
python3.5 Not affected
python3.6
python3.7
python3.8
python3.9
python3.10
python3.11
python3.12
python3.13
python3.14
Show all 12 packages Show less packages

CVE-2026-21637

Medium priority
Needs evaluation

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when `pskCallback` or `ALPNCallback` are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS...

1 affected package

nodejs

Package 16.04 LTS
nodejs Needs evaluation
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CVE-2026-21636

Medium priority
Needs evaluation

A flaw in Node.js's permission model allows Unix Domain Socket (UDS) connections to bypass network restrictions when `--permission` is enabled. Even without `--allow-net`, attacker-controlled inputs (such as URLs or socketPath...

1 affected package

nodejs

Package 16.04 LTS
nodejs Needs evaluation
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CVE-2025-59466

Medium priority
Needs evaluation

We have identified a bug in Node.js error handling where "Maximum call stack size exceeded" errors become uncatchable when `async_hooks.createHook()` is enabled. Instead of reaching `process.on('uncaughtException')`, the process...

1 affected package

nodejs

Package 16.04 LTS
nodejs Needs evaluation
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CVE-2025-59465

Medium priority
Needs evaluation

A malformed `HTTP/2 HEADERS` frame with oversized, invalid `HPACK` data can cause Node.js to crash by triggering an unhandled `TLSSocket` error `ECONNRESET`. Instead of safely closing the connection, the process crashes, enabling...

1 affected package

nodejs

Package 16.04 LTS
nodejs Needs evaluation
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