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Ls Advisories Gentoo Esm H240
Price Tag 1security advisorydenial of servicesecurity update

Gentoo: 202405-24 Normal Severity: ytnef Remote Code Execution and DoS

Multiple vulnerabilities have been discovered in ytnef, the worst of which could potentially lead to remote code execution.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202405-24 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: ytnef: Multiple Vulnerabilities Date: May 08, 2024 Bugs: #774255 ID: 202405-24 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been discovered in ytnef, the worst of which could potentially lead to remote code execution. Background ========== ytnef is a TNEF stream reader for reading winmail.dat files. Affected packages ================= Package Vulnerable Unaffected -------------- ------------ ------------ net-mail/ytnef < 2.0 > = 2.0 Description =========== The TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered via a crafted file. The SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file. Impact ====== Please review the referenced CVE identifiers for details. Workaround ========== There is no known workaround at this time. Resolution ========== All ytnef users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =net-mail/ytnef-2.0" References ========== [ 1 ] CVE-2021-3403 https://nvd.nist.gov/vuln/detail/CVE-2021-3403 [ 2 ] CVE-2021-3404 https://nvd.nist.gov/vuln/detail/CVE-2021-3404 Availability ============ This GLSA and any updates to it are available forviewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202405-24 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2024 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5 . Numerous flaws discovered in ytnef could lead to remote code execution or service disruption; urgent updates are recommended.. ytnef vulnerabilities, Gentoo Security Advisory, remote execution, software patching, denial of service. . LinuxSecurity.com Team

Calendar 2 May 08, 2024 Gentoo
203
Ls Advisories Mageia Esm H240
Price Tag 1security advisorymoderatedenial of service

Mageia 8: MGASA-2022-0316 Moderate: ytnef Denial Of Service Exploit

In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered via a crafted file. (CVE-2021-3403) In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote . MGASA-2022-0316 - Updated ytnef packages fix security vulnerability Publication date: 02 Sep 2022 URL: https://advisories.mageia.org/MGASA-2022-0316.html Type: security Affected Mageia releases: 8 CVE: CVE-2021-3403, CVE-2021-3404 In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered via a crafted file. (CVE-2021-3403) In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file. (CVE-2021-3404) References: - https://bugs.mageia.org/show_bug.cgi?id=30735 - https://github.com/Yeraze/ytnef/releases - https://www.cve.org/CVERecord?id=CVE-2021-3403 - https://www.cve.org/CVERecord?id=CVE-2021-3404 SRPMS: - 8/core/ytnef-2.0-1.mga8 . Mageia security patch MGASA-2022-0316 for ytnef resolves critical issues related to remote code execution and service disruption vulnerabilities.. ytnef, denial of service, security advisory, Mageia updates, buffer overflow. . Severity: Important. LinuxSecurity.com Team

Calendar 2 Sep 02, 2022 •Important Mageia
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[{"id":483,"title":"Self-taught through trial and error","votes":548,"type":"x","order":1,"pct":78.51,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.3,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.87,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.32,"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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