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Vendor

CivetWeb

4 known vulnerabilities.

CivetWeb at a glance

Last 12 months
3
Critical · all time
0
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 1 1 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 1 vulnerability May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 1 vulnerability September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 1 vulnerability
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Products

CivetWeb 4
All Critical High Medium Low Exploited only Public exploit

4 results · Feed

  • High 8.1
    CVE-2026-124040 Public exploit

    CivetWeb through 1.16 HTTP/2 Use-After-Free via Stale Pseudo-Header State

    CivetWeb through 1.16, when built with USE_HTTP2 and enable_http2 on, contains a use-after-free vulnerability in handle_http2() that retains freed :method and :path pointers. Unauthenticated remote attackers can send a later HEADERS frame omitting these pseud…

    CivetWeb CivetWeb civetweb civetweb Debian Ubuntu
  • Medium 6.5
    CVE-2026-29035

    CivetWeb Heap/Stack Buffer Overflow via WebSocket permessage-deflate Decompression

    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 USE_ZLIB and MG_EXPERIMENTAL_IN…

    CivetWeb CivetWeb civetweb Debian
  • High 8.5
    CVE-2026-5789

    Search path without quotes in CivetWeb

    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 before the intended application …

    CivetWeb CivetWeb civetweb Ubuntu
  • High 8.7
    CVE-2025-9648

    Denial of Service in CivetWeb

    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 the payload, the server enters an infi…

    CivetWeb CivetWeb civetweb civetweb Debian Ubuntu