{ "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 through 3.10.0 for Perl print unsanitised terminal escape sequences from filenames in several output modes. When ack prints a filename whose basename contains terminal control bytes such as ANSI escape sequences, those bytes reach the terminal unchanged. Version 3.10.0 added a _safe_filename helper that sanitises the filenames printed by -f, -g, the colored match heading, and per-match lines, but the --show-types, -l/-L, and -c paths still emit the raw filename. A file whose name embeds cursor-movement or color escapes can overwrite or recolor earlier terminal output, or be passed unchanged to a downstream consumer.", "title": "Vulnerability Description" } ], "publisher": { "category": "other", "contact_details": "gdt@cpan.org", "name": "giterlizzi", "namespace": "https://github.com/giterlizzi/" }, "references": [ { "category": "self", "summary": "CPANSA-ack-2026-49147 JSON", "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-ack-2026-49147.json" }, { "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/2026/07/08/9", "url": "http://www.openwall.com/lists/oss-security/2026/07/08/9" }, { "category": "external", "summary": "CVE-2026-49147 (NVD)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49147" } ], "title": "ack vulnerability", "tracking": { "current_release_date": "2026-07-08T00:00:00", "generator": { "engine": { "name": "CSAF Perl Toolkit", "version": "0.26" } }, "id": "CPANSA-ack-2026-49147", "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-2026-49147", "cwe": { "id": "CWE-150", "name": "Improper Neutralization of Escape, Meta, or Control Sequences" }, "notes": [ { "category": "description", "text": "App::Ack versions through 3.10.0 for Perl print unsanitised terminal escape sequences from filenames in several output modes.\n\nWhen ack prints a filename whose basename contains terminal control bytes such as ANSI escape sequences, those bytes reach the terminal unchanged. Version 3.10.0 added a _safe_filename helper that sanitises the filenames printed by -f, -g, the colored match heading, and per-match lines, but the --show-types, -l/-L, and -c paths still emit the raw filename.\n\nA file whose name embeds cursor-movement or color escapes can overwrite or recolor earlier terminal output, or be passed unchanged to a downstream consumer.", "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" ] } ] } ] }