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CVE-2025-0725 – gzip integer overflow
https://notcve.org/view.php?id=CVE-2025-0725
05 Feb 2025 — When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the `CURLOPT_ACCEPT_ENCODING` option, **using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow would make libcurl perform a buffer overflow. When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the `CURLOPT_ACCEPT_ENCODING` option, **using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow would make libcurl perform a buffer overfl... • https://curl.se/docs/CVE-2025-0725.html •
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CVE-2024-11053 – netrc and redirect credential leak
https://notcve.org/view.php?id=CVE-2024-11053
11 Dec 2024 — When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, curl could leak the password used for the first host to the followed-to host under certain circumstances. This flaw only manifests itself if the netrc file has an entry that matches the redirect target hostname but the entry either omits just the password or omits both login and password. When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, curl could leak the password used for the first host... • https://curl.se/docs/CVE-2024-11053.html •
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CVE-2023-28322 – curl: more POST-after-PUT confusion
https://notcve.org/view.php?id=CVE-2023-28322
26 May 2023 — An information disclosure vulnerability exists in curl
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CVE-2023-28320 – Apple Security Advisory 2023-07-24-6
https://notcve.org/view.php?id=CVE-2023-28320
26 May 2023 — A denial of service vulnerability exists in curl
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CVE-2023-28319 – curl: use after free in SSH sha256 fingerprint check
https://notcve.org/view.php?id=CVE-2023-28319
26 May 2023 — A use after free vulnerability exists in curl
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CVE-2023-28321 – curl: IDN wildcard match may lead to Improper Cerificate Validation
https://notcve.org/view.php?id=CVE-2023-28321
26 May 2023 — An improper certificate validation vulnerability exists in curl
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CVE-2023-27533 – curl: TELNET option IAC injection
https://notcve.org/view.php?id=CVE-2023-27533
21 Mar 2023 — A vulnerability in input validation exists in curl <8.0 during communication using the TELNET protocol may allow an attacker to pass on maliciously crafted user name and "telnet options" during server negotiation. The lack of proper input scrubbing allows an attacker to send content or perform option negotiation without the application's intent. This vulnerability could be exploited if an application allows user input, thereby enabling attackers to execute arbitrary code on the system. Harry Sintonen discov... • https://hackerone.com/reports/1891474 • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') CWE-75: Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) •
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CVE-2022-43552 – curl: Use-after-free triggered by an HTTP proxy deny response
https://notcve.org/view.php?id=CVE-2022-43552
06 Jan 2023 — A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path. A vulnerability was found in curl. • http://seclists.org/fulldisclosure/2023/Mar/17 • CWE-416: Use After Free •
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CVE-2022-32221 – curl: POST following PUT confusion
https://notcve.org/view.php?id=CVE-2022-32221
27 Oct 2022 — When doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously was used to issue a `PUT` request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the subsequent `POST` request. The problem exists in the logic for a reused handle when it is chang... • http://seclists.org/fulldisclosure/2023/Jan/19 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-440: Expected Behavior Violation CWE-668: Exposure of Resource to Wrong Sphere •
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CVE-2022-35252 – curl: Incorrect handling of control code characters in cookies
https://notcve.org/view.php?id=CVE-2022-35252
02 Sep 2022 — When curl is used to retrieve and parse cookies from a HTTP(S) server, itaccepts cookies using control codes that when later are sent back to a HTTPserver might make the server return 400 responses. Effectively allowing a"sister site" to deny service to all siblings. Cuando curl es usado para recuperar y analizar las cookies de un servidor HTTP(S), acepta las cookies usando códigos de control que cuando son enviados de vuelta a un servidor HTTP podrían hacer que el servidor devolviera respuestas 400. En efe... • http://seclists.org/fulldisclosure/2023/Jan/20 • CWE-20: Improper Input Validation CWE-1286: Improper Validation of Syntactic Correctness of Input •