{"schema_version":"1.7.2","id":"OESA-2026-3258","modified":"2026-08-07T02:42:20Z","published":"2026-08-07T02:42:20Z","upstream":["CVE-2026-16517"],"summary":"libarchive security update","details":"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 .\r\n\r\nSecurity Fix(es):\n\nA 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.(CVE-2026-16517)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP4","name":"libarchive","purl":"pkg:rpm/openEuler/libarchive&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.3-16.oe2003sp4"}]}],"ecosystem_specific":{"aarch64":["libarchive-3.4.3-16.oe2003sp4.aarch64.rpm","libarchive-debuginfo-3.4.3-16.oe2003sp4.aarch64.rpm","libarchive-debugsource-3.4.3-16.oe2003sp4.aarch64.rpm","libarchive-devel-3.4.3-16.oe2003sp4.aarch64.rpm"],"noarch":["libarchive-help-3.4.3-16.oe2003sp4.noarch.rpm"],"src":["libarchive-3.4.3-16.oe2003sp4.src.rpm"],"x86_64":["libarchive-3.4.3-16.oe2003sp4.x86_64.rpm","libarchive-debuginfo-3.4.3-16.oe2003sp4.x86_64.rpm","libarchive-debugsource-3.4.3-16.oe2003sp4.x86_64.rpm","libarchive-devel-3.4.3-16.oe2003sp4.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:22.03-LTS-SP4","name":"libarchive","purl":"pkg:rpm/openEuler/libarchive&distro=openEuler-22.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.2-15.oe2203sp4"}]}],"ecosystem_specific":{"aarch64":["bsdcat-3.5.2-15.oe2203sp4.aarch64.rpm","bsdcpio-3.5.2-15.oe2203sp4.aarch64.rpm","bsdtar-3.5.2-15.oe2203sp4.aarch64.rpm","libarchive-3.5.2-15.oe2203sp4.aarch64.rpm","libarchive-debuginfo-3.5.2-15.oe2203sp4.aarch64.rpm","libarchive-debugsource-3.5.2-15.oe2203sp4.aarch64.rpm","libarchive-devel-3.5.2-15.oe2203sp4.aarch64.rpm"],"noarch":["libarchive-help-3.5.2-15.oe2203sp4.noarch.rpm"],"src":["libarchive-3.5.2-15.oe2203sp4.src.rpm"],"x86_64":["bsdcat-3.5.2-15.oe2203sp4.x86_64.rpm","bsdcpio-3.5.2-15.oe2203sp4.x86_64.rpm","bsdtar-3.5.2-15.oe2203sp4.x86_64.rpm","libarchive-3.5.2-15.oe2203sp4.x86_64.rpm","libarchive-debuginfo-3.5.2-15.oe2203sp4.x86_64.rpm","libarchive-debugsource-3.5.2-15.oe2203sp4.x86_64.rpm","libarchive-devel-3.5.2-15.oe2203sp4.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP1","name":"libarchive","purl":"pkg:rpm/openEuler/libarchive&distro=openEuler-24.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.1-13.oe2403sp1"}]}],"ecosystem_specific":{"aarch64":["bsdcat-3.7.1-13.oe2403sp1.aarch64.rpm","bsdcpio-3.7.1-13.oe2403sp1.aarch64.rpm","bsdtar-3.7.1-13.oe2403sp1.aarch64.rpm","bsdunzip-3.7.1-13.oe2403sp1.aarch64.rpm","libarchive-3.7.1-13.oe2403sp1.aarch64.rpm","libarchive-debuginfo-3.7.1-13.oe2403sp1.aarch64.rpm","libarchive-debugsource-3.7.1-13.oe2403sp1.aarch64.rpm","libarchive-devel-3.7.1-13.oe2403sp1.aarch64.rpm"],"noarch":["libarchive-help-3.7.1-13.oe2403sp1.noarch.rpm"],"src":["libarchive-3.7.1-13.oe2403sp1.src.rpm"],"x86_64":["bsdcat-3.7.1-13.oe2403sp1.x86_64.rpm","bsdcpio-3.7.1-13.oe2403sp1.x86_64.rpm","bsdtar-3.7.1-13.oe2403sp1.x86_64.rpm","bsdunzip-3.7.1-13.oe2403sp1.x86_64.rpm","libarchive-3.7.1-13.oe2403sp1.x86_64.rpm","libarchive-debuginfo-3.7.1-13.oe2403sp1.x86_64.rpm","libarchive-debugsource-3.7.1-13.oe2403sp1.x86_64.rpm","libarchive-devel-3.7.1-13.oe2403sp1.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP3","name":"libarchive","purl":"pkg:rpm/openEuler/libarchive&distro=openEuler-24.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.1-13.oe2403sp3"}]}],"ecosystem_specific":{"aarch64":["bsdcat-3.7.1-13.oe2403sp3.aarch64.rpm","bsdcpio-3.7.1-13.oe2403sp3.aarch64.rpm","bsdtar-3.7.1-13.oe2403sp3.aarch64.rpm","bsdunzip-3.7.1-13.oe2403sp3.aarch64.rpm","libarchive-3.7.1-13.oe2403sp3.aarch64.rpm","libarchive-debuginfo-3.7.1-13.oe2403sp3.aarch64.rpm","libarchive-debugsource-3.7.1-13.oe2403sp3.aarch64.rpm","libarchive-devel-3.7.1-13.oe2403sp3.aarch64.rpm"],"noarch":["libarchive-help-3.7.1-13.oe2403sp3.noarch.rpm"],"src":["libarchive-3.7.1-13.oe2403sp3.src.rpm"],"x86_64":["bsdcat-3.7.1-13.oe2403sp3.x86_64.rpm","bsdcpio-3.7.1-13.oe2403sp3.x86_64.rpm","bsdtar-3.7.1-13.oe2403sp3.x86_64.rpm","bsdunzip-3.7.1-13.oe2403sp3.x86_64.rpm","libarchive-3.7.1-13.oe2403sp3.x86_64.rpm","libarchive-debuginfo-3.7.1-13.oe2403sp3.x86_64.rpm","libarchive-debugsource-3.7.1-13.oe2403sp3.x86_64.rpm","libarchive-devel-3.7.1-13.oe2403sp3.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP4","name":"libarchive","purl":"pkg:rpm/openEuler/libarchive&distro=openEuler-24.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.1-13.oe2403sp4"}]}],"ecosystem_specific":{"aarch64":["bsdcat-3.7.1-13.oe2403sp4.aarch64.rpm","bsdcpio-3.7.1-13.oe2403sp4.aarch64.rpm","bsdtar-3.7.1-13.oe2403sp4.aarch64.rpm","bsdunzip-3.7.1-13.oe2403sp4.aarch64.rpm","libarchive-3.7.1-13.oe2403sp4.aarch64.rpm","libarchive-debuginfo-3.7.1-13.oe2403sp4.aarch64.rpm","libarchive-debugsource-3.7.1-13.oe2403sp4.aarch64.rpm","libarchive-devel-3.7.1-13.oe2403sp4.aarch64.rpm"],"noarch":["libarchive-help-3.7.1-13.oe2403sp4.noarch.rpm"],"src":["libarchive-3.7.1-13.oe2403sp4.src.rpm"],"x86_64":["bsdcat-3.7.1-13.oe2403sp4.x86_64.rpm","bsdcpio-3.7.1-13.oe2403sp4.x86_64.rpm","bsdtar-3.7.1-13.oe2403sp4.x86_64.rpm","bsdunzip-3.7.1-13.oe2403sp4.x86_64.rpm","libarchive-3.7.1-13.oe2403sp4.x86_64.rpm","libarchive-debuginfo-3.7.1-13.oe2403sp4.x86_64.rpm","libarchive-debugsource-3.7.1-13.oe2403sp4.x86_64.rpm","libarchive-devel-3.7.1-13.oe2403sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3258"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16517"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"}],"database_specific":{"severity":"Low"}}