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CVE-2026-29035

Medium priority
Not affected

CivetWeb (commit 4a4f0c95) contains a heap and stack buffer overflow vulnerability in the read_websocket() function that allows unauthenticated remote attackers to corrupt memory by sending compressed WebSocket frames when both...

1 affected package

civetweb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
civetweb Not affected Not affected Not affected
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CVE-2026-5789

Medium priority
Ignored

Vulnerability related to an unquoted search path in CivetWeb v1.16. This vulnerability allows a local attacker to execute arbitrary code with elevated privileges by placing a malicious executable in a directory that is scanned...

1 affected package

civetweb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
civetweb Ignored Ignored Ignored
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CVE-2025-9648

Medium priority

Some fixes available 3 of 5

A vulnerability in the CivetWeb library's function mg_handle_form_request allows remote attackers to trigger a denial of service (DoS) condition. By sending a specially crafted HTTP POST request containing a null byte in...

1 affected package

civetweb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
civetweb Fixed Fixed Fixed
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CVE-2025-55763

Medium priority

Some fixes available 3 of 5

Buffer Overflow in the URI parser of CivetWeb 1.14 through 1.16 (latest) allows a remote attacker to achieve remote code execution via a crafted HTTP request. This vulnerability is triggered during request processing and may allow...

1 affected package

civetweb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
civetweb Fixed Fixed Fixed
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CVE-2020-27304

Medium priority
Ignored

The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based file upload mechanism, via the mg_handle_form_request API. Web applications that use...

1 affected package

civetweb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
civetweb Not affected Not affected Not affected
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