{ "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": "Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files. Imager::File::GIF's i_readgif_multi_low allocates a single per-row buffer GifRow sized for the GIF's global screen width 'SWidth' and reuses it across every image in the file. The page-match branch validates Image.Width + Image.Left > SWidth before each DGifGetLine write, but the parallel skip-image branch at imgif.c:790-805 calls DGifGetLine(GifFile, GifRow, Width) with no such check.", "title": "Vulnerability Description" } ], "publisher": { "category": "other", "contact_details": "gdt@cpan.org", "name": "giterlizzi", "namespace": "https://github.com/giterlizzi/" }, "references": [ { "category": "self", "summary": "CPANSA-Imager-2026-8669 JSON", "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-imager-2026-8669.json" }, { "category": "external", "summary": "https://github.com/tonycoz/imager/commit/782e9c06cc75a0f7eed383f39522f51f44598b04.patch", "url": "https://github.com/tonycoz/imager/commit/782e9c06cc75a0f7eed383f39522f51f44598b04.patch" }, { "category": "external", "summary": "https://metacpan.org/release/TONYC/Imager-1.031/source/Changes", "url": "https://metacpan.org/release/TONYC/Imager-1.031/source/Changes" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/05/15/17", "url": "http://www.openwall.com/lists/oss-security/2026/05/15/17" }, { "category": "external", "summary": "CVE-2026-8669 (NVD)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8669" } ], "title": "Imager vulnerability", "tracking": { "current_release_date": "2026-05-15T00:00:00", "generator": { "engine": { "name": "CSAF Perl Toolkit", "version": "0.26" } }, "id": "CPANSA-Imager-2026-8669", "initial_release_date": "2026-05-15T00:00:00", "revision_history": [ { "date": "2026-05-15T00:00:00", "number": "1", "summary": "First release" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:cpan/<1.031", "product": { "name": "Imager less than 1.031", "product_id": "CSAFPID-0001", "product_identification_helper": { "purl": "pkg:cpan/Imager" } } }, { "category": "product_version_range", "name": "vers:cpan/>=1.031", "product": { "name": "Imager greater than or equal 1.031", "product_id": "CSAFPID-0002", "product_identification_helper": { "purl": "pkg:cpan/Imager" } } } ], "category": "product_name", "name": "Imager" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-8669", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "description", "text": "Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files.\n\nImager::File::GIF's i_readgif_multi_low allocates a single per-row buffer GifRow sized for the GIF's global screen width 'SWidth' and reuses it across every image in the file.\n\nThe page-match branch validates Image.Width + Image.Left > SWidth before each DGifGetLine write, but the parallel skip-image branch at imgif.c:790-805 calls DGifGetLine(GifFile, GifRow, Width) with no such check.", "title": "Vulnerability Description" } ], "product_status": { "fixed": [ "CSAFPID-0002" ], "known_affected": [ "CSAFPID-0001" ] }, "scores": [ { "cvss_v3": { "baseScore": 6.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" }, "products": [ "CSAFPID-0001" ] } ] } ] }