{ "document": { "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "description", "text": "App::Ack versions before 3.10.0 for Perl allow memory exhaustion via an unbounded context value in a project .ackrc. ack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The -B and -C context options accepted any positive integer, and ack sized the before-context buffer to that value, so a project .ackrc setting --before-context=100000000 made ack allocate a buffer of 100 million elements. A project .ackrc committed to an untrusted repository can abort ack with an out-of-memory condition.", "title": "Vulnerability Description" } ], "publisher": { "category": "other", "contact_details": "gdt@cpan.org", "name": "giterlizzi", "namespace": "https://github.com/giterlizzi/" }, "references": [ { "category": "self", "summary": "CPANSA-ack-2026-49146 JSON", "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-ack-2026-49146.json" }, { "category": "external", "summary": "https://github.com/beyondgrep/ack3/commit/45ff5fe77dbd96f7332f31943102291f878f30b8.patch", "url": "https://github.com/beyondgrep/ack3/commit/45ff5fe77dbd96f7332f31943102291f878f30b8.patch" }, { "category": "external", "summary": "https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes", "url": "https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/07/08/8", "url": "http://www.openwall.com/lists/oss-security/2026/07/08/8" }, { "category": "external", "summary": "CVE-2026-49146 (NVD)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49146" } ], "title": "ack vulnerability", "tracking": { "current_release_date": "2026-07-08T00:00:00", "generator": { "engine": { "name": "CSAF Perl Toolkit", "version": "0.26" } }, "id": "CPANSA-ack-2026-49146", "initial_release_date": "2026-07-08T00:00:00", "revision_history": [ { "date": "2026-07-08T00:00:00", "number": "1", "summary": "First release" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:cpan/>0", "product": { "name": "ack greater than 0", "product_id": "CSAFPID-0001", "product_identification_helper": { "purl": "pkg:cpan/ack" } } } ], "category": "product_name", "name": "ack" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-49146", "cwe": { "id": "CWE-770", "name": "Allocation of Resources Without Limits or Throttling" }, "notes": [ { "category": "description", "text": "App::Ack versions before 3.10.0 for Perl allow memory exhaustion via an unbounded context value in a project .ackrc.\n\nack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The -B and -C context options accepted any positive integer, and ack sized the before-context buffer to that value, so a project .ackrc setting --before-context=100000000 made ack allocate a buffer of 100 million elements.\n\nA project .ackrc committed to an untrusted repository can abort ack with an out-of-memory condition.", "title": "Vulnerability Description" } ], "product_status": { "known_affected": [ "CSAFPID-0001" ] }, "scores": [ { "cvss_v3": { "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "CSAFPID-0001" ] } ] } ] }