{
    "summary": {
        "snap": {
            "added": [],
            "removed": [],
            "diff": []
        },
        "deb": {
            "added": [],
            "removed": [],
            "diff": [
                "libpng16-16"
            ]
        }
    },
    "diff": {
        "deb": [
            {
                "name": "libpng16-16",
                "from_version": {
                    "source_package_name": "libpng1.6",
                    "source_package_version": "1.6.37-3ubuntu0.5",
                    "version": "1.6.37-3ubuntu0.5"
                },
                "to_version": {
                    "source_package_name": "libpng1.6",
                    "source_package_version": "1.6.37-3ubuntu0.6",
                    "version": "1.6.37-3ubuntu0.6"
                },
                "cves": [
                    {
                        "cve": "CVE-2026-40930",
                        "url": "https://ubuntu.com/security/CVE-2026-40930",
                        "cve_description": "LIBPNG is a reference library for use in applications that process PNG (Portable Network Graphics) raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing attacker-controlled bytes inside an ignored ancillary chunk to be reinterpreted as a fresh chunk header on the next call to `png_process_data`. Commit faf06924688b62d7c1654b5ceddedbde66ffadb4 fixes the issue.",
                        "cve_priority": "medium",
                        "cve_public_date": "2026-06-04 16:16:00 UTC"
                    }
                ],
                "launchpad_bugs_fixed": [],
                "changes": [
                    {
                        "cves": [
                            {
                                "cve": "CVE-2026-40930",
                                "url": "https://ubuntu.com/security/CVE-2026-40930",
                                "cve_description": "LIBPNG is a reference library for use in applications that process PNG (Portable Network Graphics) raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing attacker-controlled bytes inside an ignored ancillary chunk to be reinterpreted as a fresh chunk header on the next call to `png_process_data`. Commit faf06924688b62d7c1654b5ceddedbde66ffadb4 fixes the issue.",
                                "cve_priority": "medium",
                                "cve_public_date": "2026-06-04 16:16:00 UTC"
                            }
                        ],
                        "log": [
                            "",
                            "  * SECURITY UPDATE: Interpretation conflict in APNG parser",
                            "    paths.",
                            "    - debian/patches/CVE-2026-40930.patch: Restructure the trailing-fdAT",
                            "      path in pngpread.c",
                            "    - debian/patches/CVE-2026-40930-post1.patch: Fix hardcoded length in",
                            "      png_ensure_sequence_number in pngpread.c",
                            "    - CVE-2026-40930",
                            ""
                        ],
                        "package": "libpng1.6",
                        "version": "1.6.37-3ubuntu0.6",
                        "urgency": "medium",
                        "distributions": "jammy-security",
                        "launchpad_bugs_fixed": [],
                        "author": "Kyle Kernick <kyle.kernick@canonical.com>",
                        "date": "Thu, 13 Aug 2026 10:20:26 -0600"
                    }
                ],
                "notes": null,
                "is_version_downgrade": false
            }
        ],
        "snap": []
    },
    "added": {
        "deb": [],
        "snap": []
    },
    "removed": {
        "deb": [],
        "snap": []
    },
    "notes": "Changelog diff for Ubuntu 22.04 jammy image from daily image serial 20260810 to 20260817",
    "from_series": "jammy",
    "to_series": "jammy",
    "from_serial": "20260810",
    "to_serial": "20260817",
    "from_manifest_filename": "daily_manifest.previous",
    "to_manifest_filename": "manifest.current"
}