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Debian LTS 7zip Important Buffer Overflow Remote Code Execution DLA-4718

Debian LTS 7zip Important Buffer Overflow Remote Code Execution DLA-4718

Linuxsecurity LinuxSecurity Advisories August 5, 2026

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Among the fixed vulnerabilities, the following were made public: CVE-2026-14266 XZ decompression heap-based buffer overflow, potentially leading to remote code execution. CVE-2026-58052 RAR5 alternate-stream handling issue, when running on an NTFS filesystem with transparent ADS (Alternate Data Stream) and ADS canonicalization, letting an attacker defeat Mark-of-the-Web warnings and spoof file content. For Debian 12 bookworm, these problems have been fixed in version 22.01+really26.02+dfsg-0+deb12u1. We recommend that you upgrade your 7zip packages. For the detailed security status of 7zip please refer to its security tracker page at: Further information Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at:

Among the fixed vulnerabilities, the following were made public: CVE-2026-14266 XZ decompression heap-based buffer overflow, potentially leading to remote code execution. CVE-2026-58052 RAR5 alternate-stream handling issue, when running on an NTFS filesystem with transparent ADS (Alternate Data Stream) and ADS canonicalization, letting an attacker defeat Mark-of-the-Web warnings and spoof file content. For Debian 12 bookworm, these problems have been fixed in version 22.01+really26.02+dfsg-0+deb12u1. We recommend that you upgrade your 7zip packages. For the detailed security status of 7zip please refer to its security tracker page at: Further information Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at:

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Extracted Entities

Attack Types (1)

Companies (1)

Platforms (2)

Tools (2)