{"items":[{"id":"NVI-00010612","kind":"vulnerability","title":"ImageSharp: TIFF CCITT T4 encoder can write past its compressed output buffer","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-j9gm-c75j-xc9q","CVE-2026-106110"],"plain_summary":"GitHub lists this reviewed advisory for SixLabors.ImageSharp, SixLabors.ImageSharp. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-123859db602e8218215ff3e153a306bd"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-26T14:22:53.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6b19e7df48bed3dc346d7f646ac4e866"},{"kind":"CVSS","as_of":"2026-10-24T01:42:13.327Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-396c13749e9eaa1ff593cf8e8808fa92"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.385%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32614. Missing scores are unknown.","source_id":"sr-123859db602e8218215ff3e153a306bd"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-6b19e7df48bed3dc346d7f646ac4e866","url":"https://github.com/advisories/GHSA-j9gm-c75j-xc9q","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-j9gm-c75j-xc9q","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"},{"id":"sr-396c13749e9eaa1ff593cf8e8808fa92","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106110","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-106110","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:21.903Z"},{"id":"sr-123859db602e8218215ff3e153a306bd","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-106110","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.839Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6b19e7df48bed3dc346d7f646ac4e866"],"technology":"SixLabors.ImageSharp","known_exclusions":[],"conditions_summary":"### Summary\n\nImageSharp's TIFF CCITT Group 3 (T4) encoder can write beyond its allocated compressed-data buffer when encoding narrow 1-bit images. The unchecked writes can corrupt process memory and terminate the process.\n\nThis report concerns only the T4 `CcittGroup3Fax` encoder path. It replaces the prior, unrelated ICC content.\n\n### Affected package and versions\n\n- Package: `SixLabors.ImageSharp` (NuGet)\n- Affected range: `>= 2.0.0, <= 4.1.1`\n- Commit `0815358f9202a78bc7f3b83e19282dc3654b500f` corresponds to release **v4.1.1**.\n\nThe T4 encoder and its undersized buffer calculation first shipped in v2.0.0. The narrow-image exploit terminates published v2.0.0 and v4.1.1 while the same-height 64-pixel control succeeds on both. Every release through v4.1.1 retains the vulnerable allocation and unchecked bit-write structure.\n### Preconditions and impact\n\nThe affected path is reached when the application encodes 1-bit image data with `TiffCompression.CcittGroup3Fax`. This can happen when an application explicitly selects `TiffEncoder.BitsPerPixel = Bit1` and `TiffEncoder.Compression = CcittGroup3Fax`. It can also occur when an application decodes a TIFF and re-encodes it using the def","public_affected_ranges":[">= 2.0.0, < 3.2.0"]},{"certainty":"source_listed","source_ids":["sr-6b19e7df48bed3dc346d7f646ac4e866"],"technology":"SixLabors.ImageSharp","known_exclusions":[],"conditions_summary":"### Summary\n\nImageSharp's TIFF CCITT Group 3 (T4) encoder can write beyond its allocated compressed-data buffer when encoding narrow 1-bit images. The unchecked writes can corrupt process memory and terminate the process.\n\nThis report concerns only the T4 `CcittGroup3Fax` encoder path. It replaces the prior, unrelated ICC content.\n\n### Affected package and versions\n\n- Package: `SixLabors.ImageSharp` (NuGet)\n- Affected range: `>= 2.0.0, <= 4.1.1`\n- Commit `0815358f9202a78bc7f3b83e19282dc3654b500f` corresponds to release **v4.1.1**.\n\nThe T4 encoder and its undersized buffer calculation first shipped in v2.0.0. The narrow-image exploit terminates published v2.0.0 and v4.1.1 while the same-height 64-pixel control succeeds on both. Every release through v4.1.1 retains the vulnerable allocation and unchecked bit-write structure.\n### Preconditions and impact\n\nThe affected path is reached when the application encodes 1-bit image data with `TiffCompression.CcittGroup3Fax`. This can happen when an application explicitly selects `TiffEncoder.BitsPerPixel = Bit1` and `TiffEncoder.Compression = CcittGroup3Fax`. It can also occur when an application decodes a TIFF and re-encodes it using the def","public_affected_ranges":[">= 4.0.0, < 4.1.2"]}],"null_published_at":"2026-11-04T10:04:47.611Z","source_updated_at":"2026-10-26T14:22:53.000Z","source_disclosed_at":"2026-10-07T20:24:28.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T22:06:46.371Z"},{"id":"NVI-00010612","kind":"vulnerability","title":"ImageSharp: TIFF CCITT T4 encoder can write past its compressed output buffer","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-j9gm-c75j-xc9q","CVE-2026-106110"],"plain_summary":"GitHub lists this reviewed advisory for SixLabors.ImageSharp, SixLabors.ImageSharp. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6c1d1bd97bde831453dc136758eb2142"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-26T14:22:53.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6b19e7df48bed3dc346d7f646ac4e866"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.385%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32627. Missing scores are unknown.","source_id":"sr-6c1d1bd97bde831453dc136758eb2142"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-6b19e7df48bed3dc346d7f646ac4e866","url":"https://github.com/advisories/GHSA-j9gm-c75j-xc9q","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-j9gm-c75j-xc9q","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"},{"id":"sr-6c1d1bd97bde831453dc136758eb2142","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-106110","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.687Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6b19e7df48bed3dc346d7f646ac4e866"],"technology":"SixLabors.ImageSharp","known_exclusions":[],"conditions_summary":"### Summary\n\nImageSharp's TIFF CCITT Group 3 (T4) encoder can write beyond its allocated compressed-data buffer when encoding narrow 1-bit images. The unchecked writes can corrupt process memory and terminate the process.\n\nThis report concerns only the T4 `CcittGroup3Fax` encoder path. It replaces the prior, unrelated ICC content.\n\n### Affected package and versions\n\n- Package: `SixLabors.ImageSharp` (NuGet)\n- Affected range: `>= 2.0.0, <= 4.1.1`\n- Commit `0815358f9202a78bc7f3b83e19282dc3654b500f` corresponds to release **v4.1.1**.\n\nThe T4 encoder and its undersized buffer calculation first shipped in v2.0.0. The narrow-image exploit terminates published v2.0.0 and v4.1.1 while the same-height 64-pixel control succeeds on both. Every release through v4.1.1 retains the vulnerable allocation and unchecked bit-write structure.\n### Preconditions and impact\n\nThe affected path is reached when the application encodes 1-bit image data with `TiffCompression.CcittGroup3Fax`. This can happen when an application explicitly selects `TiffEncoder.BitsPerPixel = Bit1` and `TiffEncoder.Compression = CcittGroup3Fax`. It can also occur when an application decodes a TIFF and re-encodes it using the def","public_affected_ranges":[">= 2.0.0, < 3.2.0"]},{"certainty":"source_listed","source_ids":["sr-6b19e7df48bed3dc346d7f646ac4e866"],"technology":"SixLabors.ImageSharp","known_exclusions":[],"conditions_summary":"### Summary\n\nImageSharp's TIFF CCITT Group 3 (T4) encoder can write beyond its allocated compressed-data buffer when encoding narrow 1-bit images. The unchecked writes can corrupt process memory and terminate the process.\n\nThis report concerns only the T4 `CcittGroup3Fax` encoder path. It replaces the prior, unrelated ICC content.\n\n### Affected package and versions\n\n- Package: `SixLabors.ImageSharp` (NuGet)\n- Affected range: `>= 2.0.0, <= 4.1.1`\n- Commit `0815358f9202a78bc7f3b83e19282dc3654b500f` corresponds to release **v4.1.1**.\n\nThe T4 encoder and its undersized buffer calculation first shipped in v2.0.0. The narrow-image exploit terminates published v2.0.0 and v4.1.1 while the same-height 64-pixel control succeeds on both. Every release through v4.1.1 retains the vulnerable allocation and unchecked bit-write structure.\n### Preconditions and impact\n\nThe affected path is reached when the application encodes 1-bit image data with `TiffCompression.CcittGroup3Fax`. This can happen when an application explicitly selects `TiffEncoder.BitsPerPixel = Bit1` and `TiffEncoder.Compression = CcittGroup3Fax`. It can also occur when an application decodes a TIFF and re-encodes it using the def","public_affected_ranges":[">= 4.0.0, < 4.1.2"]}],"null_published_at":"2026-11-02T02:25:42.830Z","source_updated_at":"2026-10-26T14:22:53.000Z","source_disclosed_at":"2026-10-07T20:24:28.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T22:06:46.371Z"},{"id":"NVI-00010612","kind":"vulnerability","title":"ImageSharp: TIFF CCITT T4 encoder can write past its compressed output buffer","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-j9gm-c75j-xc9q","CVE-2026-106110"],"plain_summary":"GitHub lists this reviewed advisory for SixLabors.ImageSharp, SixLabors.ImageSharp. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6b19e7df48bed3dc346d7f646ac4e866"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-26T14:22:53.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6b19e7df48bed3dc346d7f646ac4e866"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-6b19e7df48bed3dc346d7f646ac4e866","url":"https://github.com/advisories/GHSA-j9gm-c75j-xc9q","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-j9gm-c75j-xc9q","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6b19e7df48bed3dc346d7f646ac4e866"],"technology":"SixLabors.ImageSharp","known_exclusions":[],"conditions_summary":"### Summary\n\nImageSharp's TIFF CCITT Group 3 (T4) encoder can write beyond its allocated compressed-data buffer when encoding narrow 1-bit images. The unchecked writes can corrupt process memory and terminate the process.\n\nThis report concerns only the T4 `CcittGroup3Fax` encoder path. It replaces the prior, unrelated ICC content.\n\n### Affected package and versions\n\n- Package: `SixLabors.ImageSharp` (NuGet)\n- Affected range: `>= 2.0.0, <= 4.1.1`\n- Commit `0815358f9202a78bc7f3b83e19282dc3654b500f` corresponds to release **v4.1.1**.\n\nThe T4 encoder and its undersized buffer calculation first shipped in v2.0.0. The narrow-image exploit terminates published v2.0.0 and v4.1.1 while the same-height 64-pixel control succeeds on both. Every release through v4.1.1 retains the vulnerable allocation and unchecked bit-write structure.\n### Preconditions and impact\n\nThe affected path is reached when the application encodes 1-bit image data with `TiffCompression.CcittGroup3Fax`. This can happen when an application explicitly selects `TiffEncoder.BitsPerPixel = Bit1` and `TiffEncoder.Compression = CcittGroup3Fax`. It can also occur when an application decodes a TIFF and re-encodes it using the def","public_affected_ranges":[">= 2.0.0, < 3.2.0"]},{"certainty":"source_listed","source_ids":["sr-6b19e7df48bed3dc346d7f646ac4e866"],"technology":"SixLabors.ImageSharp","known_exclusions":[],"conditions_summary":"### Summary\n\nImageSharp's TIFF CCITT Group 3 (T4) encoder can write beyond its allocated compressed-data buffer when encoding narrow 1-bit images. The unchecked writes can corrupt process memory and terminate the process.\n\nThis report concerns only the T4 `CcittGroup3Fax` encoder path. It replaces the prior, unrelated ICC content.\n\n### Affected package and versions\n\n- Package: `SixLabors.ImageSharp` (NuGet)\n- Affected range: `>= 2.0.0, <= 4.1.1`\n- Commit `0815358f9202a78bc7f3b83e19282dc3654b500f` corresponds to release **v4.1.1**.\n\nThe T4 encoder and its undersized buffer calculation first shipped in v2.0.0. The narrow-image exploit terminates published v2.0.0 and v4.1.1 while the same-height 64-pixel control succeeds on both. Every release through v4.1.1 retains the vulnerable allocation and unchecked bit-write structure.\n### Preconditions and impact\n\nThe affected path is reached when the application encodes 1-bit image data with `TiffCompression.CcittGroup3Fax`. This can happen when an application explicitly selects `TiffEncoder.BitsPerPixel = Bit1` and `TiffEncoder.Compression = CcittGroup3Fax`. It can also occur when an application decodes a TIFF and re-encodes it using the def","public_affected_ranges":[">= 4.0.0, < 4.1.2"]}],"null_published_at":"2026-10-31T22:27:09.625Z","source_updated_at":"2026-10-26T14:22:53.000Z","source_disclosed_at":"2026-10-07T20:24:28.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T22:06:46.371Z"}],"next_cursor":null,"snapshot_revision":"42594"}