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ALSA-2026:69553 — Low: libarchive security update

Affected: AlmaLinux:10: bsdtar, AlmaLinux:10: libarchive, AlmaLinux:10: libarchive-devel

The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers.

Security Fix(es):

* libarchive: heap overflow OOB read while parsing a tar archive contains a PAX extended header (CVE-2026-15028) * libarchive: libarchive: Signed Integer Overflow in archive_write_zip_header (CVE-2026-16517)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

BELL-CVE-2026-16517

Affected: Alpaquita:23: libarchive, Alpaquita:25: libarchive, Alpaquita:stream: libarchive

EUVD-2026-373343

fkie_cve-2026-16517

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.

GHSA-j8w5-8rj6-wpwf

msrc_CVE-2026-16517 — Libarchive: libarchive: signed integer overflow in archive_write_zip_header

msrc_CVE-2026-16517

OESA-2026-3258 — libarchive security update

Affected: openEuler:20.03-LTS-SP4: libarchive, openEuler:22.03-LTS-SP4: libarchive, openEuler:24.03-LTS-SP1: libarchive, openEuler:24.03-LTS-SP3: libarchive, openEuler:24.03-LTS-SP4: libarchive

is an open-source BSD-licensed C programming library that provides streaming access to a variety of different archive formats, including tar, cpio, pax, zip, and ISO9660 images. The distribution also includes bsdtar and bsdcpio, full-featured implementations of tar and cpio that use . Security Fix(es):

RHSA-2026:43818 — Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

libarchive: libarchive: Denial of Service via heap-based buffer overflow in gzip writer libarchive: libarchive: Signed Integer Overflow in archive_write_zip_header

RHSA-2026:69553 — Red Hat Security Advisory: libarchive security update

libarchive: heap overflow OOB read while parsing a tar archive contains a PAX extended header libarchive: libarchive: Signed Integer Overflow in archive_write_zip_header

RLSA-2026:69553 — Low: libarchive security update

Affected: Rocky Linux:10: libarchive

Security Fix(es):

* libarchive: heap overflow OOB read while parsing a tar archive contains a PAX extended header (CVE-2026-15028)

* libarchive: libarchive: Signed Integer Overflow in archive_write_zip_header (CVE-2026-16517)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

UBUNTU-CVE-2026-16517

Affected: Ubuntu:Pro:14.04:LTS: libarchive, Ubuntu:Pro:16.04:LTS: libarchive, Ubuntu:Pro:18.04:LTS: libarchive, Ubuntu:Pro:20.04:LTS: libarchive, Ubuntu:22.04:LTS: libarchive, Ubuntu:24.04:LTS: libarchive, Ubuntu:26.04:LTS: libarchive

WID-SEC-W-2026-2456 — libarchive: Schwachstelle ermöglicht nicht spezifizierten Angriff

Ein lokaler Angreifer kann eine Schwachstelle in libarchive ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.