21 results · Feed
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Medium 5.5
7-Zip < 26.03 SquashFS Uninitialized Memory Disclosure via UID/GID Table
7-Zip before 26.03 contains an uninitialized memory disclosure vulnerability in the SquashFS v4 archive handler (SquashfsHandler.cpp) that allows attackers to leak heap memory by crafting a malicious archive where the superblock’s no_ids field is set so that …
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High 7.0CVE-2026-14266 Public exploit
7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability
7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that …
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Medium 6.5
GHSL-2026-122 7-Zip Ar SYMDEF OOB Read
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-sty…
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Medium 4.3
GHSL-2026-121 7-Zip UEFI DEPEX OOB Read
7-Zip is a file archiver with a high compression ratio. Versions 9.21 through 26.00 contain an off-by-one out-of-bounds read vulnerability in the ParseDepedencyExpression function of the UEFI firmware image parser(CPP/7zip/Archive/UefiHandler.cpp). The functi…
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Medium 4.2
GHSL-2026-120: 7-Zip SquashFS BlockToNode uninitialized heap read
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…
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Medium 4.3
GHSL-2026-119 7-Zip WIM SecurityId OOB read
7-Zip is a file archiver with a high compression ratio. Versions 9.34 through 26.00 contain an off-by-one heap out-of-bounds read in the WIM (Windows Imaging) archive handler's security descriptor lookup. In CHandler::GetSecurity (CPP/7zip/Archive/Wim/WimHand…
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Low 3.1
GHSL-2026-118: 7-Zip UDF Field OOB Read
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…
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Medium 6.5
GHSL-2026-117: 7-Zip UEFI Capsule uninitialized heap memory disclosure
7-Zip is a file archiver with a high compression ratio. Versions 9.21 through 26.00 contain an An uninitialized memory disclosure vulnerability in the UEFI capsule (.scap) parser in 7-Zip. The OpenCapsule function allocates a heap buffer of attacker-declared …
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High 8.8CVE-2026-48095 Public exploit
GHSL-2026-140_7-Zip: 7-Zip has a heap buffer overflow via NTFS compressed stream buffer under-allocation
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 arbi…
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Medium 4.3
7-Zip SquashFS Fragment Offset Overflow (GHSL-2026-116)
7-Zip is a file archiver with a high compression ratio. Versions 9.34 through 26.00 contain a heap memory disclosure via SquashFS fragment offset integer overflow on 32-bit builds. 32-bit integer overflow in the SquashFS ReadBlock function allows an attacker-…
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High 7.0
7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability
7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this product is required to exploit this vulnerability bu…
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High 7.0
7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability
7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this product is required to exploit this vulnerability bu…
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Low 3.6CVE-2025-55188 Public exploit
7-Zip before 25.01 does not always properly handle symbolic links during extraction.
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Low 2.5
7-Zip 22.01 does not report an error for certain invalid xz files, involving block flags and reserved bits. Some later …
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Low 2.5
7-Zip 22.01 does not report an error for certain invalid xz files, involving stream flags and reserved bits. Some later…
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High 7.8
7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability
7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this library is required to exploit this vulnerabili…
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Medium 6.5
7-Zip CopyCoder Infinite Loop Denial-of-Service Vulnerability
7-Zip CopyCoder Infinite Loop Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of 7-Zip. Interaction with this library is required to exploit this vulnerability but a…
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Unscored —
p7zip 16.02 was discovered to contain a heap-buffer-overflow vulnerability via the function NArchive::NZip::CInArchive:…
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Unscored —
Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows …
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Unscored —
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attack…
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Unscored —
p7zip 9.20.1 allows remote attackers to write to arbitrary files via a symlink attack in an archive.