CVE-2025-11563

URLs containing percent-encoded slashes (/ or \) can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool.

URLs containing percent-encoded slashes (/ or \ ) can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it.

This flaw only affects the wcurl command line tool.

URLs containing percent-encoded slashes (/ or \) can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool.

These are all security issues fixed in the curl-8.17.0-1.1 package on the GA media of openSUSE Tumbleweed.

This update for curl fixes the following issues:

• CVE-2025-9086: Fixed Out of bounds read for cookie path (bsc#1249191)
• CVE-2025-11563: Fixed wcurl path traversal with percent-encoded slashes (bsc#1253757)
• CVE-2025-10148: Fixed predictable WebSocket mask (bsc#1249348)

Other fixes:

• tool_operate: fix return code when --retry is used but not triggered (bsc#1249367)

This update for curl fixes the following issues:

• CVE-2025-9086: Fixed Out of bounds read for cookie path (bsc#1249191)
• CVE-2025-11563: Fixed wcurl path traversal with percent-encoded slashes (bsc#1253757)
• CVE-2025-10148: Fixed predictable WebSocket mask (bsc#1249348)

Other fixes:

• tool_operate: fix return code when --retry is used but not triggered (bsc#1249367)

This update for curl fixes the following issues:

• CVE-2025-9086: Fixed Out of bounds read for cookie path (bsc#1249191)
• CVE-2025-11563: Fixed wcurl path traversal with percent-encoded slashes (bsc#1253757)
• CVE-2025-10148: Fixed predictable WebSocket mask (bsc#1249348)

Other fixes:

• tool_operate: fix return code when --retry is used but not triggered (bsc#1249367)

This update for curl fixes the following issues:

• CVE-2025-11563: Fixed wcurl path traversal with percent-encoded slashes (bsc#1253757).

This update for curl fixes the following issues:

• CVE-2025-11563: Fixed wcurl path traversal with percent-encoded slashes (bsc#1253757).

This update for curl fixes the following issues:

• CVE-2025-11563: Fixed wcurl path traversal with percent-encoded slashes (bsc#1253757)

This update for curl fixes the following issues:

• CVE-2025-11563: Fixed wcurl path traversal with percent-encoded slashes (bsc#1253757)

This update for curl fixes the following issues:

• CVE-2025-11563: Fixed wcurl path traversal with percent-encoded slashes (bsc#1253757)

This update for curl fixes the following issues:

• CVE-2025-11563: Fixed wcurl path traversal with percent-encoded slashes (bsc#1253757)

It was discovered that curl incorrectly handled cookies when redirected from secure to insecure connections. An attacker could possibly use this issue to cause a denial of service, or obtain sensitive information. This issue only affected Ubuntu 25.10. (CVE-2025-9086)

Calvin Ruocco discovered that curl did not properly handle WebSocket communications under certain circumstances. A malicious server could possibly use this issue to poison proxy caches with malicious content. This issue only affected Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-10148)

Stanislav Fort discovered that wcurl did not properly handle URLs with certain encoded characters. If a user were tricked into processing a specially crafted URL, an attacker could possibly use this issue to write files outside the intended directory. This issue only affected Ubuntu 25.10. (CVE-2025-11563)

Stanislav Fort discovered that curl did not properly validate pinned public keys under certain circumstances. A remote attacker could possibly use this issue to perform a machine-in-the-middle attack. This issue only affected Ubuntu 25.10.(CVE-2025-13034)

Stanislav Fort discovered that curl did not properly manage TLS options when performing LDAP over TLS transfers in multi-threaded environments. Under certain circumstances, certificate verification could be unintentionally and unknowingly disabled. (CVE-2025-14017)

It was discovered that curl incorrectly handled Oauth2 bearer tokens when following redirects. A remote attacker could possibly use this issue to obtain authentication credentials. (CVE-2025-14524)

Stanislav Fort discovered that curl did not properly validate TLS certificates when reusing connections. A remote attacker could possibly use this issue to bypass expected certificate verification. This issue only affected Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-14819)

Harry Sintonen discovered that curl did not properly validate SSH host keys when performing SSH-based file transfers. This issue could lead to unintended bypass of custom known_hosts file. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2025-15079)

Harry Sintonen discovered that curl built with libssh did not properly handle authentication when performing SSH-based file transfers. This could result in unintended authentication operations. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2025-15224)