Back Linuxsecurity Ubuntu 25.10 curl Critical DoS and Authentication Issues USN-8062
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in curl. Software Description: - curl: HTTP, HTTPS, and FTP client and client libraries Details: 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 security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in curl. Software Description: - curl: HTTP, HTTPS, and FTP client and client libraries Details: 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
The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 curl 8.14.1-2ubuntu1.1 libcurl3t64-gnutls 8.14.1-2ubuntu1.1 libcurl4-gnutls-dev 8.14.1-2ubuntu1.1 libcurl4-openssl-dev 8.14.1-2ubuntu1.1 libcurl4t64 8.14.1-2ubuntu1.1 Ubuntu 24.04 LTS curl 8.5.0-2ubuntu10.7 libcurl3t64-gnutls 8.5.0-2ubuntu10.7 libcurl4-gnutls-dev 8.5.0-2ubuntu10.7 libcurl4-openssl-dev 8.5.0-2ubuntu10.7 libcurl4t64 8.5.0-2ubuntu10.7 Ubuntu 22.04 LTS curl 7.81.0-1ubuntu1.22 libcurl3-gnutls 7.81.0-1ubuntu1.22 libcurl3-nss 7.81.0-1ubuntu1.22 libcurl4 7.81.0-1ubuntu1.22 libcurl4-gnutls-dev 7.81.0-1ubuntu1.22 libcurl4-nss-dev 7.81.0-1ubuntu1.22 libcurl4-openssl-dev 7.81.0-1ubuntu1.22 In general, a standard system update will make all the necessary changes.
The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 curl 8.14.1-2ubuntu1.1 libcurl3t64-gnutls 8.14.1-2ubuntu1.1 libcurl4-gnutls-dev 8.14.1-2ubuntu1.1 libcurl4-openssl-dev 8.14.1-2ubuntu1.1 libcurl4t64 8.14.1-2ubuntu1.1 Ubuntu 24.04 LTS curl 8.5.0-2ubuntu10.7 libcurl3t64-gnutls 8.5.0-2ubuntu10.7 libcurl4-gnutls-dev 8.5.0-2ubuntu10.7 libcurl4-openssl-dev 8.5.0-2ubuntu10.7 libcurl4t64 8.5.0-2ubuntu10.7 Ubuntu 22.04 LTS curl 7.81.0-1ubuntu1.22 libcurl3-gnutls 7.81.0-1ubuntu1.22 libcurl3-nss 7.81.0-1ubuntu1.22 libcurl4 7.81.0-1ubuntu1.22 libcurl4-gnutls-dev 7.81.0-1ubuntu1.22 libcurl4-nss-dev 7.81.0-1ubuntu1.22 libcurl4-openssl-dev 7.81.0-1ubuntu1.22 In general, a standard system update will make all the necessary changes.
CVE-2025-10148, CVE-2025-11563, CVE-2025-13034, CVE-2025-14017, CVE-2025-14524, CVE-2025-14819, CVE-2025-15079, CVE-2025-15224, CVE-2025-9086
CVE-2025-10148, CVE-2025-11563, CVE-2025-13034, CVE-2025-14017,
CVE-2025-14524, CVE-2025-14819, CVE-2025-15079, CVE-2025-15224,
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