{"items":[{"id":"NVI-00016001","kind":"vulnerability","title":"Gitea: ParseAcceptLanguage quadratic-time DoS via Locale middleware on unauthenticated requests","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fw57-jgch-pgf3","CVE-2026-58436"],"plain_summary":"GitHub lists this reviewed advisory for code.gitea.io/gitea. 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-0bd1b7a2dc20d1c49184aaa6f6bd9dfc"],"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":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.609%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.49291. Missing scores are unknown.","source_id":"sr-0bd1b7a2dc20d1c49184aaa6f6bd9dfc"}],"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-00a02fa9aac724dc1e5177df9fdece08","url":"https://github.com/advisories/GHSA-fw57-jgch-pgf3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fw57-jgch-pgf3","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:34:39.734Z"},{"id":"sr-0bd1b7a2dc20d1c49184aaa6f6bd9dfc","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-2026-58436","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.054Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00a02fa9aac724dc1e5177df9fdece08"],"technology":"code.gitea.io/gitea","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Locale middleware that runs in front of every unauthenticated request\ncalls `golang.org/x/text/language.ParseAcceptLanguage` on the raw\n`Accept-Language` header without imposing a size or shape filter. The\nunderlying parser has quadratic-time behaviour on long lists of malformed\nlanguage tags. The CVE-2022-32149 guard that golang.org/x/text added in\nv0.3.8 caps the number of `-` characters in the input at 1000, but it does\nnot cap `_` characters even though the parser's internal scanner aliases\n`_` to `-` before parsing. A single unauthenticated GET request with an\n`Accept-Language` header built out of `_` separators burns ~2 seconds of\nserver CPU on the host running Gitea; ten concurrent attackers saturate a\nten-core box for the duration of the attack while consuming ~1 MiB of\nupstream bandwidth per request.\n\n### Affected versions\n\n`code.gitea.io/gitea` 1.22.6 and (per code inspection of `main`) all\nearlier and later 1.22.x / 1.23.x / 1.24.x / 1.25.x / 1.26.x versions that\ndo not impose their own size limit on the `Accept-Language` header before\ncalling `ParseAcceptLanguage`. Verified on:\n\n- the official `gitea/gitea:1.22.6` docker image (E2E below)\n- `main` at co","public_affected_ranges":["< 1.27.0"]}],"null_published_at":"2026-11-07T14:01:58.752Z","source_updated_at":"2026-07-21T21:15:48.000Z","source_disclosed_at":"2026-07-21T21:15:47.000Z","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":"2026-11-03T22:34:39.734Z"},{"id":"NVI-00016001","kind":"vulnerability","title":"Gitea: ParseAcceptLanguage quadratic-time DoS via Locale middleware on unauthenticated requests","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fw57-jgch-pgf3","CVE-2026-58436"],"plain_summary":"GitHub lists this reviewed advisory for code.gitea.io/gitea. 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-00a02fa9aac724dc1e5177df9fdece08"],"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":[],"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-00a02fa9aac724dc1e5177df9fdece08","url":"https://github.com/advisories/GHSA-fw57-jgch-pgf3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fw57-jgch-pgf3","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:34:39.734Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00a02fa9aac724dc1e5177df9fdece08"],"technology":"code.gitea.io/gitea","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Locale middleware that runs in front of every unauthenticated request\ncalls `golang.org/x/text/language.ParseAcceptLanguage` on the raw\n`Accept-Language` header without imposing a size or shape filter. The\nunderlying parser has quadratic-time behaviour on long lists of malformed\nlanguage tags. The CVE-2022-32149 guard that golang.org/x/text added in\nv0.3.8 caps the number of `-` characters in the input at 1000, but it does\nnot cap `_` characters even though the parser's internal scanner aliases\n`_` to `-` before parsing. A single unauthenticated GET request with an\n`Accept-Language` header built out of `_` separators burns ~2 seconds of\nserver CPU on the host running Gitea; ten concurrent attackers saturate a\nten-core box for the duration of the attack while consuming ~1 MiB of\nupstream bandwidth per request.\n\n### Affected versions\n\n`code.gitea.io/gitea` 1.22.6 and (per code inspection of `main`) all\nearlier and later 1.22.x / 1.23.x / 1.24.x / 1.25.x / 1.26.x versions that\ndo not impose their own size limit on the `Accept-Language` header before\ncalling `ParseAcceptLanguage`. Verified on:\n\n- the official `gitea/gitea:1.22.6` docker image (E2E below)\n- `main` at co","public_affected_ranges":["< 1.27.0"]}],"null_published_at":"2026-11-04T10:04:27.861Z","source_updated_at":"2026-07-21T21:15:48.000Z","source_disclosed_at":"2026-07-21T21:15:47.000Z","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":"2026-11-03T22:34:39.734Z"}],"next_cursor":null,"snapshot_revision":"42594"}