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security advisoryUbuntunetwork serviceUbuntu 18.04 Ruby Security Advisory USN-8431-1 Remote Access Issues
Ruby could allow unintended access to network services.. ========================================================================== Ubuntu Security Notice USN-8431-1 June 15, 2026 ruby2.3, ruby2.5 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Ruby could allow unintended access to network services. Software Description: - ruby2.5: Object-oriented scripting language - ruby2.3: Object-oriented scripting language Details: It was discovered that Ruby's Net::IMAP library did not properly verify that Transport Layer Security (TLS) encryption was started after issuing a STARTTLS command. A remote attacker could possibly use this issue to perform a machine-in-the-middle attack and silently bypass TLS encryption. (CVE-2026-42246) It was also discovered that Ruby's Net::IMAP library did not validate string arguments passed to certain commands. A remote attacker could possibly use this issue to inject arbitrary IMAP commands. (CVE-2026-42257) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS libruby2.5 2.5.1-1ubuntu1.16+esm8 Available with Ubuntu Pro ruby2.5 2.5.1-1ubuntu1.16+esm8 Available with Ubuntu Pro Ubuntu 16.04 LTS libruby2.3 2.3.1-2~ubuntu16.04.16+esm14 Available with Ubuntu Pro ruby2.3 2.3.1-2~ubuntu16.04.16+esm14 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8431-1 CVE-2026-42246, CVE-2026-42257 . Unintended access to network services risk with Ruby on Ubuntu 18.04/16.04 LTS. Update for security fixes.. Rubyvulnerabilities, Ubuntu security, network access risks, TLS issues, command injection. . Severity: Important. LinuxSecurity.com Team
Jun 16, 2026
•Important
Ubuntu
100
security advisorymoderateupdateSUSE Linux Micro 6.1 Advisory SUSE-SU-2026-21450-1 CVE-2026-39881 Moderate
An update that solves one vulnerability can now be installed.. # Security update for vim Announcement ID: SUSE-SU-2026:21450-1 Release Date: 2026-04-29T11:29:57Z Rating: moderate References: * bsc#1261833 Cross-References: * CVE-2026-39881 CVSS scores: * CVE-2026-39881 ( SUSE ): 5.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N * CVE-2026-39881 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N * CVE-2026-39881 ( NVD ): 5.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:N * CVE-2026-39881 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affected Products: * SUSE Linux Micro 6.1 An update that solves one vulnerability can now be installed. ## Description: This update for vim fixes the following issue: Update to version 9.2.0398. Security issues fixed: * CVE-2026-39881: missing sanitization in `defineAnnoType` and `specialKeys` can lead to arbitrary Ex command injection via a malicious NetBeans server (bsc#1261833). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-515=1 ## Package List: * SUSE Linux Micro 6.1 (noarch) * vim-data-common-9.2.0398-slfo.1.1_1.1 * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64) * vim-small-9.2.0398-slfo.1.1_1.1 * vim-small-debuginfo-9.2.0398-slfo.1.1_1.1 * vim-debugsource-9.2.0398-slfo.1.1_1.1 ## References: * https://www.suse.com/security/cve/CVE-2026-39881.html * https://bugzilla.suse.com/show_bug.cgi?id=1261833 . SUSE update addresses moderate vim vulnerability allowing arbitrary command injection. Secure your system by patching.. SUSE Linux, vim security, update patch, command injection, software vulnerabilities. . LinuxSecurity.com Team
May 04, 2026
SuSE
200
security advisorymoderate severitybashScientific Linux 7: SLSA-2017-1931-1 Moderate: Bash Command Injection
An arbitrary command injection flaw was found in the way bash processed the hostname value. A malicious DHCP server could use this flaw to execute arbitrary commands on the DHCP client machines running bash under specific circumstances. (CVE-2016-0634) * An arbitrary command injection flaw was found in the way bash processed the SHELLOPTS and PS4 environment variables. A local, authenticated [More...]. Synopsis: Moderate: bash security and bug fix update Advisory ID: SLSA-2017:1931-1 Issue Date: 2017-08-01 CVE Numbers: CVE-2016-0634 CVE-2016-7543 CVE-2016-9401 -- Security Fix(es): * An arbitrary command injection flaw was found in the way bash processed the hostname value. A malicious DHCP server could use this flaw to execute arbitrary commands on the DHCP client machines running bash under specific circumstances. (CVE-2016-0634) * An arbitrary command injection flaw was found in the way bash processed the SHELLOPTS and PS4 environment variables. A local, authenticated attacker could use this flaw to exploit poorly written setuid programs to elevate their privileges under certain circumstances. (CVE-2016-7543) * A denial of service flaw was found in the way bash handled popd commands. A poorly written shell script could cause bash to crash resulting in a local denial of service limited to a specific bash session. (CVE-2016-9401) -- SL7 x86_64 bash-4.2.46-28.el7.x86_64.rpm bash-debuginfo-4.2.46-28.el7.x86_64.rpm bash-doc-4.2.46-28.el7.x86_64.rpm - Scientific Linux Development Team . Healthcare: security patch released for command execution risks and service interruption weaknesses in Medical Linux.. bash Update, Security Advisory, Command Injection, Scientific Linux, Denial of Service. . LinuxSecurity.com Team
Aug 21, 2017
Scientific Linux
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