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Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : curl vulnerabilities (USN-8062-1)

medium Nessus Plugin ID 300431

Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8062-1 advisory.

 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)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-8062-1

Plugin Details

Severity: Medium

ID: 300431

File Name: ubuntu_USN-8062-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/3/2026

Updated: 3/3/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-9086

CVSS v3

Risk Factor: Medium

Base Score: 6.3

Temporal Score: 5.7

Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2025-14017

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libcurl3t64-gnutls, p-cpe:/a:canonical:ubuntu_linux:curl, p-cpe:/a:canonical:ubuntu_linux:libcurl3-gnutls, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:canonical:ubuntu_linux:libcurl4t64, p-cpe:/a:canonical:ubuntu_linux:libcurl4, p-cpe:/a:canonical:ubuntu_linux:libcurl4-nss-dev, p-cpe:/a:canonical:ubuntu_linux:libcurl4-gnutls-dev, p-cpe:/a:canonical:ubuntu_linux:libcurl4-openssl-dev, p-cpe:/a:canonical:ubuntu_linux:libcurl3-nss

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/25/2026

Vulnerability Publication Date: 9/11/2025

Reference Information

CVE: 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

IAVA: 2025-A-0657-S, 2025-A-0818-S, 2026-A-0005

USN: 8062-1