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THREAT OPS › Threat News › [NVD] CVE-2026-16517 (LOW 2.9) — 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 e

[NVD] CVE-2026-16517 (LOW 2.9) — 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 e

lownvdPublished 2026-07-21

CVE-2026-16517 CVSS: 2.9 LOW Published: 2026-07-21T23:17:00.587

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 beh

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-16517