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GHSA-6MW6-MJ76-GRWC

Vulnerability from github – Published: 2026-01-05 19:43 – Updated: 2026-01-27 22:23
VLAI
Summary
gix-date can create non-utf8 string with `TimeBuf::as_str`
Details

The function gix_date::parse::TimeBuf::as_str can create an illegal string containing non-utf8 characters. This violates the safety invariant of TimeBuf and can lead to undefined behavior when consuming the string.

The bug can be prevented by adding str::from_utf8 to the function TimeBuf::write.

Severity
5.5 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "gix-date"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.12.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-0810"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-05T19:43:29Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "The function `gix_date::parse::TimeBuf::as_str` can create an illegal string containing non-utf8 characters. This violates the safety invariant of `TimeBuf` and can lead to undefined behavior when consuming the string.\n\nThe bug can be prevented by adding `str::from_utf8` to the function `TimeBuf::write`.",
  "id": "GHSA-6mw6-mj76-grwc",
  "modified": "2026-01-27T22:23:11Z",
  "published": "2026-01-05T19:43:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0810"
    },
    {
      "type": "WEB",
      "url": "https://github.com/GitoxideLabs/gitoxide/issues/2305"
    },
    {
      "type": "WEB",
      "url": "https://github.com/GitoxideLabs/gitoxide/pull/2306"
    },
    {
      "type": "WEB",
      "url": "https://github.com/GitoxideLabs/gitoxide/commit/76376ef5e97c63e108db0c9fe2eb096f4bfe70f7"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2026-0810"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2427057"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/GitoxideLabs/gitoxide"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2025-0140.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "gix-date can create non-utf8 string with `TimeBuf::as_str`"
}



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