CVE-2026-16517 - Libarchive: libarchive: signed integer overflow in archive_write_zip_header

CVE-2026-16517 - Libarchive: libarchive: signed integer overflow in archive_write_zip_header

https://cvefeed.io/rssfeed/latest.atom / Wed, 07/22/2026 - 04:06
CVE ID :CVE-2026-16517
Published : July 21, 2026, 11:17 p.m. | 1 hour, 33 minutes ago
Description :A signed integer overflow vulnerability was found in libarchive's ZIP writer. In the archive_write_zip_header function in archive_write_set_format_zip.c, when ZIP encryption is enabled and the entry file size is close to INT64_MAX, the addition of the encryption overhead to the entry size overflows int64_t, resulting in undefined behavior. This could lead to incorrect Zip64 extension decisions or potential memory corruption.
Severity: 2.9 | LOW
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