Astra Linux – Vulnerability in p7zip, 7zip

7-Zip is a file archiver with a high compression ratio. Versions 26.00 and earlier contained a heap buffer overflow vulnerability caused by an under-allocation in the NTFS compressed stream buffer GetCuSize shift UB. This vulnerability could allow attackers to execute arbitrary code or cause...

SUSE CVE-2026-48104

7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain an uninitialized heap read in the SquashFS archive handler caused by a sparsely populated index array. In the SquashFS handler, blockToNode is allocated with capacity for every metadata block but populated...

CVE-2026-48112

7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-bounds read in 7-Zip Ar handler BSD SYMDEF parser. A 4-byte heap out-of-bounds read exists in the Unix ar archive parser in 7-Zip. When parsing a BSD-style .SYMDEF symbol table, the...

ALPINE-CVE-2026-48102

7-Zip is a file archiver with a high compression ratio. Versions 9.11 through 26.00 contain a heap out-of-bounds read of up to 3 bytes in the UDF disc image handler's File Identifier Descriptor parser. In CFileId::Parse CPP/7zip/Archive/Udf/UdfIn.cpp, after validating size 38 + idLen + impLen and...

ALPINE-CVE-2026-48095

7-Zip is a file archiver with a high compression ratio. Versions 26.00 and prior contain a heap buffer overflow vulnerability caused by an under-allocation in the NTFS compressed stream buffer GetCuSize shift UB, potentially allowing attackers to cause arbitrary code execution or application...