{"id":"EUVD-2026-13414","revision":null,"records":[{"revision":"c54bea2abbe842b2a262cf12769b1fb5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-32766","aliases":[],"title":"astral-tokio-tar insufficiently validates PAX extensions during extraction","description":"astral-tokio-tar is a tar archive reading/writing library for async Rust. In versions 0.5.6 and earlier, malformed PAX extensions were silently skipped when parsing tar archives. This silent skipping (rather than rejection) of invalid PAX extensions could be used as a building block for a parser differential, for example by silently skipping a malformed GNU “long link” extension so that a subsequent parser would misinterpret the extension. In practice, exploiting this behavior in astral-tokio-tar requires a secondary misbehaving tar parser, i.e. one that insufficiently validates malformed PAX extensions and interprets them rather than skipping or erroring on them. This vulnerability is considered low-severity as it requires a separate vulnerability against any unrelated tar parser. This issue has been fixed in version 0.6.0.","state":0,"publishedAt":"2026-03-20T00:07:36.444+00:00","modifiedAt":"2026-03-20T18:09:06.34+00:00","affected":[{"ecosystem":"Vendor product","name":"tokio-tar","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"astral-sh\",\n                    \"product\": \"tokio-tar\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 0.6.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U","score":1.7,"severity":"LOW"}],"references":["https://github.com/astral-sh/tokio-tar/security/advisories/GHSA-6gx3-4362-rf54","https://github.com/astral-sh/tokio-tar/commit/e5e0139cae4577eeedf5fc16b65e690bf988ce52"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-32766","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-32766","identifiers":["CVE-2026-32766"]},"retained":false,"historicalAffected":[]},{"revision":"86dfae9b16fc49bfaa9d887c3d39bc25","observedAt":"2026-11-15T12:02:04.388+00:00","statement":{"source":"euvd","id":"EUVD-2026-13414","aliases":["CVE-2026-32766","GHSA-6gx3-4362-rf54"],"title":"astral-tokio-tar is a tar archive reading/writing library for async Rust. In versions 0.5.6 and earlier, malformed PAX extensions were silently skipped when parsing tar archives. This silent skipping (rather than rejection) of invalid PAX e…","description":"astral-tokio-tar is a tar archive reading/writing library for async Rust. In versions 0.5.6 and earlier, malformed PAX extensions were silently skipped when parsing tar archives. This silent skipping (rather than rejection) of invalid PAX extensions could be used as a building block for a parser differential, for example by silently skipping a malformed GNU “long link” extension so that a subsequent parser would misinterpret the extension. In practice, exploiting this behavior in astral-tokio-tar requires a secondary misbehaving tar parser, i.e. one that insufficiently validates malformed PAX extensions and interprets them rather than skipping or erroring on them. This vulnerability is considered low-severity as it requires a separate vulnerability against any unrelated tar parser. This issue has been fixed in version 0.6.0.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U","score":1.7,"severity":null}],"references":["https://github.com/astral-sh/tokio-tar/security/advisories/GHSA-6gx3-4362-rf54","https://github.com/astral-sh/tokio-tar/commit/e5e0139cae4577eeedf5fc16b65e690bf988ce52"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-13414","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Mar 20, 2026, 12:07:36 AM","dateUpdated":"Mar 20, 2026, 6:09:06 PM"},"relatedAdvisories":[{"id":"msrc_CVE-2026-32766","title":"astral-tokio-tar insufficiently validates PAX extensions during extraction","vulnerabilityIds":["CVE-2026-32766"]},{"id":"openSUSE-SU-2026:20865-1","title":"Security update for python-uv","vulnerabilityIds":["CVE-2026-31812","CVE-2026-32766"]},{"id":"SUSE-SU-2026:22005-1","title":"Security update for python-uv","vulnerabilityIds":["CVE-2026-31812","CVE-2026-32766"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-13414","identifiers":["EUVD-2026-13414","CVE-2026-32766","GHSA-6gx3-4362-rf54"]},"retained":false,"historicalAffected":[]},{"revision":"503a7896ab3a4ff1b997ee58e23e1b36","observedAt":"2026-10-25T07:19:26.892+00:00","statement":{"source":"nvd","id":"CVE-2026-32766","aliases":[],"title":"astral-tokio-tar is a tar archive reading/writing library for async Rust. In versions 0.5.6 and earlier, malformed PAX extensions were silently skipped when parsing tar archives. This silent skipping (rather than rejection) of invalid PAX e…","description":"astral-tokio-tar is a tar archive reading/writing library for async Rust. In versions 0.5.6 and earlier, malformed PAX extensions were silently skipped when parsing tar archives. This silent skipping (rather than rejection) of invalid PAX extensions could be used as a building block for a parser differential, for example by silently skipping a malformed GNU “long link” extension so that a subsequent parser would misinterpret the extension. In practice, exploiting this behavior in astral-tokio-tar requires a secondary misbehaving tar parser, i.e. one that insufficiently validates malformed PAX extensions and interprets them rather than skipping or erroring on them. This vulnerability is considered low-severity as it requires a separate vulnerability against any unrelated tar parser. This issue has been fixed in version 0.6.0.","state":0,"publishedAt":"2026-03-20T00:16:18.1+00:00","modifiedAt":"2026-06-17T10:36:20.847+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":1.7,"severity":"LOW"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/astral-sh/tokio-tar/commit/e5e0139cae4577eeedf5fc16b65e690bf988ce52","https://github.com/astral-sh/tokio-tar/security/advisories/GHSA-6gx3-4362-rf54"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-32766","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-436"],"productCriteria":["cpe:2.3:a:astral:astral-tokio-tar:*:*:*:*:*:rust:*:*"],"sourceDates":{"published":"2026-03-20T00:16:18.100","lastModified":"2026-06-17T10:36:20.847"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-32766","identifiers":["CVE-2026-32766"]},"retained":false,"historicalAffected":[]},{"revision":"26e710fc20cc4651b98f3c97ba55d8f0","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"GHSA-6gx3-4362-rf54","aliases":["CVE-2026-32766","RUSTSEC-2026-0066"],"title":"astral-tokio-tar insufficiently validates PAX extensions during extraction","description":"## Impact\n\nIn versions 0.5.6 and earlier of astral-tokio-tar, malformed PAX extensions were silently skipped when parsing tar archives. This silent skipping (rather than rejection) of invalid PAX extensions could be used as a building block for a parser differential, for example by having astral-tokio-tar silently skip a malformed GNU “long link” extension so that a subsequent parser would misinterpret the extension.\n\nIn practice, exploiting this behavior in astral-tokio-tar requires a secondary misbehaving tar parser, i.e. one that insufficiently validates malformed PAX extensions and interprets them rather than skipping or erroring on them. Consequently this advisory is considered low-severity within astral-tokio-tar itself, as it requires a separate vulnerability against any unrelated tar parser.\n\n## Patches\n\nVersions 0.6.0 and newer of astral-tokio-tar reject invalid PAX extensions, rather than silently skipping them. \n\n## Workarounds\n\nUsers are advised to upgrade to version 0.6.0 or newer to address this advisory.\n\nMost users should experience no breaking changes as a result of the patch above. Some users who attempt to extract poorly constructed tar files may experience errors; users should re-construct their tar files with a conforming tar parser.\n\n## Attribution\n\n- Sergei Zimmerman (@xokdvium)","state":0,"publishedAt":"2026-03-17T19:49:35+00:00","modifiedAt":"2026-09-10T03:50:37.7909482+00:00","affected":[{"ecosystem":"crates.io","name":"astral-tokio-tar","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.6.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":null,"severity":null},{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/astral-sh/tokio-tar/security/advisories/GHSA-6gx3-4362-rf54","https://nvd.nist.gov/vuln/detail/CVE-2026-32766","https://github.com/astral-sh/tokio-tar/commit/e5e0139cae4577eeedf5fc16b65e690bf988ce52","https://github.com/astral-sh/tokio-tar","https://rustsec.org/advisories/RUSTSEC-2026-0066.html"],"sourceUrl":"https://github.com/advisories/GHSA-6gx3-4362-rf54","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-6gx3-4362-rf54","identifiers":["GHSA-6gx3-4362-rf54","CVE-2026-32766","RUSTSEC-2026-0066"]},"retained":false,"historicalAffected":[]},{"revision":"aff066d10d3b4ea391106aeb7b8b7deb","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"RUSTSEC-2026-0066","aliases":["CVE-2026-32766","GHSA-6gx3-4362-rf54"],"title":"Insufficient validation of PAX extensions during extraction","description":"In versions 0.5.6 and earlier of astral-tokio-tar, malformed PAX extensions\nwere silently skipped when parsing tar archives. This silent skipping (rather\nthan rejection) of invalid PAX extensions could be used as a building block for\na parser differential, for example by silently skipping a malformed GNU \"long\nlink\" extension so that a subsequent parser would misinterpret the extension.\n\nIn practice, exploiting this behavior in astral-tokio-tar requires a secondary\nmisbehaving tar parser, i.e. one that insufficiently validates malformed PAX\nextensions and interprets them rather than skipping or erroring on them. This\nvulnerability is considered low-severity as it requires a separate\nvulnerability against any unrelated tar parser.\n\nThis issue has been fixed in version 0.6.0.","state":0,"publishedAt":"2026-03-17T12:00:00+00:00","modifiedAt":"2026-03-23T09:56:17.487066+00:00","affected":[{"ecosystem":"crates.io","name":"astral-tokio-tar","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0.0.0-0"},{"kind":"fixed","version":"0.6.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U","score":null,"severity":null}],"references":["https://crates.io/crates/astral-tokio-tar","https://rustsec.org/advisories/RUSTSEC-2026-0066.html"],"sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0066","license":"OSV · upstream source license applies","key":"osv:RUSTSEC-2026-0066","identifiers":["RUSTSEC-2026-0066","CVE-2026-32766","GHSA-6gx3-4362-rf54"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-15T20:44:14.5536813+00:00","complete":true,"records":1781,"lastAttemptAt":"2026-11-15T20:44:14.5536813+00:00","lastSuccessAt":"2026-11-15T20:44:14.7860515+00:00","error":null,"lastVerifiedAt":"2026-11-15T20:44:14.7860528+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-7de4d7559a5263003f03d9f70577ab06f92ba4178309f26fce53e22a4a959294-f8a60997f6dce668b540a4f14f94592eb9e1c16849f01d8d6e2c78b68e21421f","complete":true,"records":425849,"lastAttemptAt":"2026-11-15T20:44:12.7538826+00:00","lastSuccessAt":"2026-11-15T20:44:12.7235178+00:00","error":null,"lastVerifiedAt":"2026-11-15T20:44:12.7538826+00:00","snapshotPublishedAt":"2026-11-15T20:32:11+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-d1da285a9bc641e2becc5e6c7fa6e0bc","complete":false,"records":13821,"lastAttemptAt":"2026-11-15T20:55:04.9136593+00:00","lastSuccessAt":"2026-11-15T20:55:04.909+00:00","error":"81 identifier lookups failed; latest failures include AccessDenied (HTTP 403). Other identifiers were checked independently.","lastVerifiedAt":"2026-11-15T20:55:04.909+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13793,"expectedIdentifiers":13874,"failedIdentifiers":81},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-15T20:44:14.5536813+00:00","complete":true,"records":1125,"lastAttemptAt":"2026-11-15T20:44:14.5536813+00:00","lastSuccessAt":"2026-11-15T20:44:14.7868578+00:00","error":null,"lastVerifiedAt":"2026-11-15T20:44:14.7868581+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-83941b66a7344db698aff661acaa6ebf","complete":true,"records":13833,"lastAttemptAt":"2026-11-15T20:44:58.4504738+00:00","lastSuccessAt":"2026-11-15T20:44:58.441+00:00","error":null,"lastVerifiedAt":"2026-11-15T20:44:58.441+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13874,"expectedIdentifiers":13874,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-64eea06dbd27de8464d5dbce1b78cc794cc59e2d901516ae0d3ea76e624cdae0","complete":true,"records":9955,"lastAttemptAt":"2026-11-15T20:44:14.4134166+00:00","lastSuccessAt":"2026-11-14T13:57:23.1208135+00:00","error":null,"lastVerifiedAt":"2026-11-15T20:44:14.4134166+00:00","snapshotPublishedAt":"2026-11-14T13:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-f4424d7d4861b1af1404bd15abcb83f295dcd003412a9340ca99dc8200aa148a","complete":true,"records":2014,"lastAttemptAt":"2026-11-15T20:44:13.8592897+00:00","lastSuccessAt":"2026-11-13T19:57:08.2864435+00:00","error":null,"lastVerifiedAt":"2026-11-15T20:44:13.8592897+00:00","snapshotPublishedAt":"2026-11-13T19:33:10+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-6086d649bcb454cdf302d7d9275177bda73550e1b6e446b3520e9b6266d3582c","complete":true,"records":3148,"lastAttemptAt":"2026-11-15T20:44:14.44199+00:00","lastSuccessAt":"2026-11-15T11:05:17.1034234+00:00","error":null,"lastVerifiedAt":"2026-11-15T20:44:14.44199+00:00","snapshotPublishedAt":"2026-11-15T10:03:04+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-ff18f36f13fcca3a20a3fb9274b59b8872d18869a99071730e1e79b625c8f612","complete":true,"records":232475,"lastAttemptAt":"2026-11-15T20:44:14.2324599+00:00","lastSuccessAt":"2026-11-15T11:05:10.4195883+00:00","error":null,"lastVerifiedAt":"2026-11-15T20:44:14.2324599+00:00","snapshotPublishedAt":"2026-11-15T10:33:06+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}