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DEBIAN-CVE-2026-41035

Type: advisorySource: OSV1 source record

In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run rsync with -X (aka --xattrs). On Linux, many (but not all) common configurations are vulnerable. Non-Linux platforms are more widely vulnerable.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-41035

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-41035

rsync

Source reference: /affected/0/package/name

Affected versions
3.2.7-1

Source reference: /affected/0/versions

3.2.7-1+deb12u1

Source reference: /affected/0/versions

3.2.7-1+deb12u2

Source reference: /affected/0/versions

3.2.7-1+deb12u3

Source reference: /affected/0/versions

3.2.7-1+deb12u4

Source reference: /affected/0/versions

Fixed versions
3.2.7-1+deb12u5

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

rsync

Source reference: /affected/1/package/name

Affected versions
3.4.1+ds1-5

Source reference: /affected/1/versions

3.4.1+ds1-5+deb13u1

Source reference: /affected/1/versions

Fixed versions
3.4.1+ds1-5+deb13u2

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

rsync

Source reference: /affected/2/package/name

Affected versions
3.4.1+ds1-5

Source reference: /affected/2/versions

3.4.1+ds1-6

Source reference: /affected/2/versions

3.4.1+ds1-7

Source reference: /affected/2/versions

3.4.1+ds1-8~exp1

Source reference: /affected/2/versions

Fixed versions
3.4.2+ds1-1

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.2.7-1+deb12u5"
          }
        ]
      }
    ],
    "package": {
      "name": "rsync",
      "purl": "pkg:deb/debian/rsync?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "3.2.7-1",
      "3.2.7-1+deb12u1",
      "3.2.7-1+deb12u2",
      "3.2.7-1+deb12u3",
      "3.2.7-1+deb12u4"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-41035.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.4.1+ds1-5+deb13u2"
          }
        ]
      }
    ],
    "package": {
      "name": "rsync",
      "purl": "pkg:deb/debian/rsync?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "3.4.1+ds1-5",
      "3.4.1+ds1-5+deb13u1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-41035.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.4.2+ds1-1"
          }
        ]
      }
    ],
    "package": {
      "name": "rsync",
      "purl": "pkg:deb/debian/rsync?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "3.4.1+ds1-5",
      "3.4.1+ds1-6",
      "3.4.1+ds1-7",
      "3.4.1+ds1-8~exp1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-41035.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#56433 · Revision 1
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Publisher date
Read the original announcement