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Information Technology Laboratory
National Vulnerability Database
National Vulnerability Database
NVD
CVE-2026-48112 DetailDescription7-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 ParseLibSymbols function reads a 32-bit namesSize field via Get32 at a position that can equal the buffer size, reading 4 bytes past the end of the heap allocation. This reads uninitialized heap data under the default allocator. Version 26.01 patches the issue. Metrics
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CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
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Weakness Enumeration
Known Affected Software Configurations Switch to CPE 2.2CPEs loading, please wait.
Denotes Vulnerable Software Change History4 change records found show changesCVE Modified by CISA-ADP 6/17/2026 6:54:52 AM
CVE Modified by GitHub, Inc. 6/17/2026 6:54:52 AM
Initial Analysis by NIST 6/08/2026 2:00:40 PM
New CVE Received from GitHub, Inc. 6/05/2026 1:16:49 PM
Quick InfoCVE Dictionary Entry:CVE-2026-48112 NVD Published Date: 06/05/2026 NVD Last Modified: 06/17/2026 Source: GitHub, Inc. |
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