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openSUSE Security Notice 2026-2328-1 Significant Updates on Four Xen Risks

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openSUSE 2026-2328-1 Xen Important Buffer Overflow Patch

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openSUSE Leap 15.6 Important Xen Denial of Service Fix SUSE-SU-2026-2329-1

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openSUSE Important xen Patch for Multiple Threats SUSE-2026-2329-1

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SUSE MariaDB Critical Security Fix 12 Vulnerabilities 2026-2330-1

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Ubuntu 22.04 LTS Exim4 Moderate Regression CVE-2023-42117

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SUSE StrongSwan Important Double-Free CVE-2026-47895 Advisory 2026-2312-1

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SUSE vim Important Command Injection Buffer Overflow Update 2026-2313-1

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openSUSE Important libsoup HTTP Request Smuggling Vulnerability 2026-2314-1

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[{"id":483,"title":"Self-taught through trial and error","votes":552,"type":"x","order":1,"pct":78.63,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.27,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.84,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.25,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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openSUSE Tumbleweed Xen Moderate Security Risk Update 10660-1

An update that solves 2 vulnerabilities can now be installed.. # xen-4.21.1_04-1.1 on GA media Announcement ID: openSUSE-SU-2026:10660-1 Rating: moderate Cross-References: * CVE-2026-23557 * CVE-2026-23558 CVSS scores: * CVE-2026-23557 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H * CVE-2026-23558 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-23558 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Affected Products: * openSUSE Tumbleweed An update that solves 2 vulnerabilities can now be installed. ## Description: These are all security issues fixed in the xen-4.21.1_04-1.1 package on the GA media of openSUSE Tumbleweed. ## Package List: * openSUSE Tumbleweed: * xen 4.21.1_04-1.1 * xen-devel 4.21.1_04-1.1 * xen-doc-html 4.21.1_04-1.1 * xen-libs 4.21.1_04-1.1 * xen-tools 4.21.1_04-1.1 * xen-tools-domU 4.21.1_04-1.1 * xen-tools-xendomains-wait-disk 4.21.1_04-1.1 ## References: * https://www.suse.com/security/cve/CVE-2026-23557.html * https://www.suse.com/security/cve/CVE-2026-23558.html . Critical updates released for openSUSE addressing 2 moderate threats in Xen, ensuring improved system safety.. openSUSE security update, Xen vulnerabilities, moderate severity threat. . LinuxSecurity.com Team

Calendar 2 May 04, 2026 OpenSUSE
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Red Hat Enterprise Linux 7: RHSA-2022-5480 Important: Thunderbird Update

An update for thunderbird is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: thunderbird security update Advisory ID: RHSA-2022:5480-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:5480 Issue date: 2022-06-30 CVE Names: CVE-2022-2200 CVE-2022-2226 CVE-2022-31744 CVE-2022-34468 CVE-2022-34470 CVE-2022-34472 CVE-2022-34479 CVE-2022-34481 CVE-2022-34484 ==================================================================== 1. Summary: An update for thunderbird is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 3. Description: Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.11. Security Fix(es): * Mozilla: CSP sandbox header without `allow-scripts` can be bypassed via retargeted javascript: URI (CVE-2022-34468) * Mozilla: Use-after-free in nsSHistory (CVE-2022-34470) * Mozilla: A popup window could be resized in a way to overlay the address bar with web content (CVE-2022-34479) * Mozilla: Memory safety bugs fixed in Firefox 102 and Firefox ESR91.11 (CVE-2022-34484) * Mozilla: Undesired attributes could be set as part of prototype pollution (CVE-2022-2200) * Mozilla: An email with a mismatching OpenPGP signature date was accepted as valid (CVE-2022-2226) * Mozilla: CSP bypass enabling stylesheet injection (CVE-2022-31744) * Mozilla: Unavailable PAC file resulted in OCSP requests being blocked (CVE-2022-34472) * Mozilla: Potential integer overflow in ReplaceElementsAt (CVE-2022-34481) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 2102161 - CVE-2022-34479 Mozilla: A popup window could be resized in a way to overlay the address bar with web content 2102162 - CVE-2022-34470 Mozilla: Use-after-free in nsSHistory 2102163 - CVE-2022-34468 Mozilla: CSP sandbox header without `allow-scripts` can be bypassed via retargeted javascript: URI 2102164 - CVE-2022-34481 Mozilla: Potential integer overflow in ReplaceElementsAt 2102165 - CVE-2022-31744 Mozilla: CSP bypass enabling stylesheet injection 2102166 - CVE-2022-34472 Mozilla: Unavailable PAC file resulted in OCSP requests being blocked 2102168 - CVE-2022-2200 Mozilla: Undesired attributes could be set as part of prototype pollution 2102169 - CVE-2022-34484 Mozilla: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11 2102204 - CVE-2022-2226 Mozilla: An email with a mismatching OpenPGP signature date was accepted as valid 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: thunderbird-91.11.0-2.el7_9.src.rpm x86_64: thunderbird-91.11.0-2.el7_9.x86_64.rpm thunderbird-debuginfo-91.11.0-2.el7_9.x86_64.rpm Red Hat Enterprise Linux Server Optional (v.7): Source: thunderbird-91.11.0-2.el7_9.src.rpm ppc64le: thunderbird-91.11.0-2.el7_9.ppc64le.rpm thunderbird-debuginfo-91.11.0-2.el7_9.ppc64le.rpm x86_64: thunderbird-91.11.0-2.el7_9.x86_64.rpm thunderbird-debuginfo-91.11.0-2.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: thunderbird-91.11.0-2.el7_9.src.rpm x86_64: thunderbird-91.11.0-2.el7_9.x86_64.rpm thunderbird-debuginfo-91.11.0-2.el7_9.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key 7. References: https://access.redhat.com/security/cve/CVE-2022-2200 https://access.redhat.com/security/cve/CVE-2022-2226 https://access.redhat.com/security/cve/CVE-2022-31744 https://access.redhat.com/security/cve/CVE-2022-34468 https://access.redhat.com/security/cve/CVE-2022-34470 https://access.redhat.com/security/cve/CVE-2022-34472 https://access.redhat.com/security/cve/CVE-2022-34479 https://access.redhat.com/security/cve/CVE-2022-34481 https://access.redhat.com/security/cve/CVE-2022-34484 https://access.redhat.com/security/updates/classification#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBYr6VsdzjgjWX9erEAQgKGg//RIU4F4vr20jVRRagb1NCsOoTtJOpF8a/ sLgJci0panDAEGsL2Gtoffxouvw6fqy1zd0crv95UqT6HoydF401o7LesahieCCZ BjapY7OYsR7VldTxC7SDorEwsuQjGg7TA7qNWMd+WsRkyKl0rdLpOmnQe9SDfVuW 2QQY5EER+GsTB2DCo0x5PFeSQ/i5UGoVO0Xebr5ZeoeX8rroFOgse+2k0peszqiq mRX478VuGXBRx66TtRt2op2TLSk1SuuMbgpRG/PJ/yKfmbxuXLmZcNzuHEbhe4eN 1csJtcLmLISTiik0Cd7HWY9hXvHzLYR+rr3ojKjG5HmN6iZ95jc/2oyskIU34jp2 O2GNegFZ5r8WvtIJHNirf2Q6zUcOKlEGCkQ2FGCvI5L7/K2l28WK+6ZlGQO8nwpq 3drHrqPalKD0ujdJijqJ5ViXN14Fqjs8sRuPPhRcDoGiuw/WJ6O1yrNA4QYS/tvy RJ+aXedBY/Ow/jnr/e8EoLSHkT/l17hC23VwOPIg5YbBrtV8Vo9GmW0X+OlER9A4 hcKLjU/fb9gykhItlp5HsBdXUiCJqbva2AA9PuR1J93Bsv4PTBqKKB0HP0VQxrY9 qUQ9h7dnN+ETWi/hH0dYf4RQHqFHaP/jRD8+SPMFE/HnnkMe5eUv1tCk3/tjz/WJ qGIBNfIt/dI=Rdx7 -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . A security patch for Thunderbird on Red Hat Enterprise Linux addresses several critical vulnerabilities with significant severity ratings.. Thunderbird Update, Red Hat Advisory, Linux Security Fixes, Important Software Update. . Severity: Important. LinuxSecurity.com Team

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