{"id":"EUVD-2026-24978","enisaUuid":"281b5d95-bf3c-3c4c-ae4d-e0521fa97bea","description":"The comm utility in uutils coreutils silently corrupts data by performing lossy UTF-8 conversion on all output lines. The implementation uses String::from_utf8_lossy(), which replaces invalid UTF-8 byte sequences with the Unicode replacement character (U+FFFD). This behavior differs from GNU comm, which processes raw bytes and preserves the original input. This results in corrupted output when the utility is used to compare binary files or files using non-UTF-8 legacy encodings.","datePublished":"Apr 22, 2026, 4:07:51 PM","dateUpdated":"Apr 22, 2026, 6:12:21 PM","baseScore":3.3,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","references":"https://github.com/uutils/coreutils/pull/10206\nhttps://github.com/uutils/coreutils/issues/10192\nhttps://github.com/uutils/coreutils/releases/tag/0.6.0\n","aliases":"CVE-2026-35346\nGHSA-6gcw-w7cp-94g9\n","assigner":"canonical","epss":0.18,"enisaIdProduct":[{"id":"c1e97bf8-28cc-3990-9e96-2d7f01230709","product":{"name":"coreutils","vendor":{"name":"Uutils"}},"product_version":"0 \u003c0.6.0"}],"enisaIdVendor":[{"id":"9907d964-10d6-3f74-a12a-0329072a009d","vendor":{"name":"Uutils"}}],"enisaIdVulnerability":[{"id":"72a82652-2c2b-351c-9b63-332f790f51ff","vulnerability":{"id":"CVE-2026-35346","description":"The comm utility in uutils coreutils silently corrupts data by performing lossy UTF-8 conversion on all output lines. The implementation uses String::from_utf8_lossy(), which replaces invalid UTF-8 byte sequences with the Unicode replacement character (U+FFFD). This behavior differs from GNU comm, which processes raw bytes and preserves the original input. This results in corrupted output when the utility is used to compare binary files or files using non-UTF-8 legacy encodings.","datePublished":"Apr 22, 2026, 4:07:51 PM","dateUpdated":"Apr 22, 2026, 6:12:21 PM","status":"PUBLISHED","baseScore":3.3,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","references":"https://github.com/uutils/coreutils/pull/10206\nhttps://github.com/uutils/coreutils/issues/10192\nhttps://github.com/uutils/coreutils/releases/tag/0.6.0\n","enisa_id":"EUVD-2026-24978\n","assigner":"canonical","epss":0.18,"dataProcessed":"Oct 30, 2026, 7:18:58 AM","vulnerabilityProduct":[{"id":"db0ce31b-0288-34a9-8b37-a46cf4efdd23","product":{"name":"coreutils","vendor":{"name":"Uutils"}},"product_version":"0 \u003c0.6.0"}],"vulnerabilityVendor":[{"id":"e7af4890-0788-387d-a6e8-8341bb84bcdb","vendor":{"name":"Uutils"}}]}},{"id":"892dbdad-c107-3093-8fa0-dc1ca5d77c6c","vulnerability":{"id":"GHSA-6gcw-w7cp-94g9","description":"comm: lossy UTF-8 conversion silently corrupts non-UTF-8 output","datePublished":"Jul 6, 2026, 7:51:22 PM","dateUpdated":"Jul 6, 2026, 7:51:22 PM","baseScore":0.0,"references":"https://github.com/uutils/coreutils/security/advisories/GHSA-6gcw-w7cp-94g9\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-35346\nhttps://github.com/uutils/coreutils/issues/10192\nhttps://github.com/uutils/coreutils/pull/10206\nhttps://github.com/uutils/coreutils/commit/b9372e509ea9b278fe13763237067a261bb8c946\nhttps://github.com/uutils/coreutils\nhttps://github.com/uutils/coreutils/releases/tag/0.6.0\n","enisa_id":"EUVD-2026-24978\n","aliases":"CVE-2026-35346\nGHSA-6gcw-w7cp-94g9\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:57:47 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"8f8134b2-3680-313a-bd4d-96f60a26a37d","vulnerability":{"id":"GHSA-hwhf-8p2f-45wr","description":"Duplicate Advisory: coreutils\u0027 comm utility silently corrupts data by performing lossy UTF-8 conversion on all output lines","datePublished":"Apr 22, 2026, 6:31:45 PM","dateUpdated":"Jul 6, 2026, 7:51:03 PM","baseScore":0.0,"references":"https://nvd.nist.gov/vuln/detail/CVE-2026-35346\nhttps://github.com/uutils/coreutils/issues/10192\nhttps://github.com/uutils/coreutils/pull/10206\nhttps://github.com/uutils/coreutils/commit/b9372e509ea9b278fe13763237067a261bb8c946\nhttps://github.com/uutils/coreutils\nhttps://github.com/uutils/coreutils/releases/tag/0.6.0\n","enisa_id":"EUVD-2026-24978\n","aliases":"GHSA-hwhf-8p2f-45wr\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:55:10 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[]}