{"id":"CVE-2026-15028","aliases":["ALSA-2026:69553","AZL-92331","DEBIAN-CVE-2026-15028","EUVD-2026-42865","GHSA-p59g-85vj-3mvf","MGASA-2026-0366","RHSA-2026:38279","RHSA-2026:69553","RLSA-2026:69553","UBUNTU-CVE-2026-15028"],"status":"published","title":"Libarchive: heap overflow oob read while parsing a tar archive contains a pax extended header","description":"A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.","severity":{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00204,"percentile":0.10402,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122","CWE-805"],"published":"2026-07-10T09:55:49Z","modified":"2026-11-07T10:01:29Z","fixes":[{"ecosystem":"Azure Linux:3","package":"libarchive","fixed_in":["3.7.7-7"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"libarchive","fixed_in":["3.6.2-1+deb12u5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libarchive","fixed_in":["3.8.9-1"],"sources":["osv"]},{"ecosystem":"Red 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Linux:10","package":"libarchive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.7.7-11.el10_2"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libarchive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.5-1ubuntu2.2"}]}],"versions":["3.7.7-0ubuntu3","3.8.5-1ubuntu1","3.8.5-1ubuntu2","3.8.5-1ubuntu2.1"]}],"products":[{"vendor":"red hat","product":"red hat cost management on-premise 1"},{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 6"},{"vendor":"red hat","product":"red hat enterprise linux 7"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"},{"vendor":"red hat","product":"red hat hardened images"},{"vendor":"red hat","product":"red hat openshift ai (rhoai)"},{"vendor":"red hat","product":"red hat openshift container platform 4"},{"vendor":"red hat","product":"red hat openshift container platform 5"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:38279","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:69553","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:79357","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-15028","tags":["vdb-entry","x_refsource_REDHAT","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2497970","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://github.com/libarchive/libarchive/issues/3251","tags":["article"]},{"url":"https://github.com/libarchive/libarchive/pull/3253","tags":["article","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15028","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-p59g-85vj-3mvf"},{"url":"https://access.redhat.com/security/cve/CVE-2026-16517","tags":["report"]},{"url":"https://bugzilla.redhat.com/2497970","tags":["report"]},{"url":"https://bugzilla.redhat.com/2505492","tags":["report"]},{"url":"https://errata.almalinux.org/10/ALSA-2026-69553.html","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-15028","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0366.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35999","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8581-1","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_38279.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-15028","tags":["advisory","report"]},{"url":"https://access.redhat.com/security/updates/classification/#low","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2505492","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_69553.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-16517","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16517","tags":["advisory"]},{"url":"https://errata.rockylinux.org/RLSA-2026:69553","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-15028","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-15028","title":"Libarchive: heap overflow oob read while parsing a tar archive contains a pax extended header","description":"A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.","status":"published","published":"2026-07-10T09:55:49.895Z","modified":"2026-11-06T07:39:35.106Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-805","CWE-122"],"updated_at":"2026-11-06T08:57:32.08691Z"}],"euvd":[{"id":"EUVD-2026-42865","description":"A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.","status":"published","published":"2026-07-10T09:55:49Z","modified":"2026-11-06T07:39:35Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low"}],"updated_at":"2026-11-06T09:04:28.113071Z"}],"ghsa":[{"id":"GHSA-p59g-85vj-3mvf","title":"A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap...","description":"A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.","status":"published","published":"2026-07-10T12:31:42Z","modified":"2026-07-13T15:32:45Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:09:25.900925Z"}],"nvd":[{"id":"CVE-2026-15028","description":"A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.","status":"published","published":"2026-07-10T10:16:23.417Z","modified":"2026-11-06T08:17:22.757Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-805","CWE-122"],"updated_at":"2026-11-06T11:59:56.337908Z"}],"osv":[{"id":"DEBIAN-CVE-2026-15028","description":"A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.","status":"published","published":"2026-07-10T10:16:23.417Z","modified":"2026-11-07T10:01:29.036298326Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low"}],"updated_at":"2026-11-07T10:13:34.340634Z"},{"id":"RHSA-2026:38279","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","status":"published","published":"2026-07-13T10:07:30Z","modified":"2026-10-10T10:09:11Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:53:20.491441Z"},{"id":"RHSA-2026:69553","title":"Red Hat Security Advisory: libarchive security update","status":"published","published":"2026-09-22T10:20:05Z","modified":"2026-10-10T10:19:07Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:53:22.406388Z"},{"id":"RLSA-2026:69553","title":"Low: libarchive security update","description":"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.\n\nSecurity Fix(es):\n\n* libarchive: heap overflow OOB read while parsing a tar archive contains a PAX extended header (CVE-2026-15028)\n\n* libarchive: libarchive: Signed Integer Overflow in archive_write_zip_header (CVE-2026-16517)\n\nFor 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.","status":"published","published":"2026-09-23T18:07:43.655999Z","modified":"2026-09-23T18:24:42.299031007Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"UBUNTU-CVE-2026-15028","description":"A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.","status":"published","published":"2026-07-10T10:16:00Z","modified":"2026-07-23T01:15:17.569238713Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T16:56:00.592716Z"},{"id":"ALSA-2026:69553","title":"Low: libarchive security update","description":"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.  \n\nSecurity Fix(es):  \n\n  * libarchive: heap overflow OOB read while parsing a tar archive contains a PAX extended header (CVE-2026-15028)\n  * libarchive: libarchive: Signed Integer Overflow in archive_write_zip_header (CVE-2026-16517)\n\n\nFor 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.\n","status":"published","published":"2026-09-21T00:00:00Z","modified":"2026-10-29T11:30:40.559706948Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"AZL-92331","title":"CVE-2026-15028 affecting package libarchive for versions less than 3.7.7-7","description":"A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.","status":"published","published":"2026-07-10T10:16:23Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:25.880689Z"},{"id":"MGASA-2026-0366","title":"Updated libarchive packages fix security vulnerabilities","description":"Double-free vulnerability in rar5 decompression logic via dangling\nfiltered_buf pointer in init_unpack(). (CVE-2026-14164)\nHeap overflow oob read while parsing a tar archive contains a pax\nextended header. (CVE-2026-15028)\nA null pointer dereference vulnerability exists in the acl parser of\nlibarchive. (CVE-2026-5745)\nReading past eof may be triggered for piped file streams.\n(CVE-2025-5918)\nAn issue was discovered in libarchive bsdtar before version 3.8.1 in\nfunction apply_substitution in file tar/subst.c when processing crafted\n-s substitution rules. This can cause unbounded memory allocation and\nlead to denial of service (Out-of-Memory crash). (CVE-2025-60753)\nInfinite loop denial of service in rar5 decompression via\narchive_read_data() in libarchive. (CVE-2026-4111)\nInformation disclosure via heap out-of-bounds read in rar archive\nprocessing. (CVE-2026-4424)\nDenial of service via malformed iso file processing. (CVE-2026-4426)\nArbitrary code execution via integer overflow in iso9660 image\nprocessing. (CVE-2026-5121)\n","status":"published","published":"2026-09-02T16:59:28Z","modified":"2026-09-02T17:11:17.793563615Z","updated_at":"2026-11-02T15:49:43.795591Z"}]}}