CVE catalog

CVE-2026-24677

FreeRDP vulnerabilities

[CVE catalog]

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, ecam_encoder_compress_h264 trusts server-controlled dimensions and does not validate the source buffer size, leading to an out-of-bounds read in sws_scale. This vulnerability is fixed in 3.22.0.

Severity
High · CVSS 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
Source
[NVD] · [CVE record]
EPSS
0.56% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "freerdp2",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "2.11.7+dfsg1-6~deb12u1"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "freerdp2",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "freerdp2",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "not yet fixed"
    },
    {
      "name": "freerdp2",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "freerdp3",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "freerdp2-dev",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "freerdp2-shadow-x11",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "freerdp2-wayland",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "freerdp2-x11",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "freerdp3-dev",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "freerdp3-shadow-x11",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "freerdp3-wayland",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "freerdp3-x11",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "libfreerdp-client2-2t64",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libfreerdp-client3-3",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "libfreerdp-server2-2t64",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libfreerdp-server3-3",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "libfreerdp-shadow-subsystem2-2t64",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libfreerdp-shadow-subsystem3-3",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "libfreerdp-shadow2-2t64",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libfreerdp-shadow3-3",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "libfreerdp2-2t64",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libfreerdp3-3",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "libuwac0-0t64",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libuwac0-dev",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libwinpr-tools2-2t64",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libwinpr-tools3-3",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "libwinpr2-2t64",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libwinpr2-dev",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "libwinpr3-3",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "libwinpr3-dev",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "winpr-utils",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "2.11.5+dfsg1-1ubuntu0.1~esm5"
    },
    {
      "name": "winpr3-utils",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.5.1+dfsg1-0ubuntu1.2"
    },
    {
      "name": "freerdp3",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.16.0+dfsg-2ubuntu0.1"
            }
          ]
        }
      ],
      "release": "25.10",
      "versions": [
        "3.14.0+dfsg-1ubuntu1",
        "3.15.0+dfsg-2.1",
        "3.16.0+dfsg-1ubuntu1",
        "3.16.0+dfsg-2"
      ],
      "ecosystem": "deb",
      "fixed_version": "3.16.0+dfsg-2ubuntu0.1",
      "provider_record_id": "UBUNTU-CVE-2026-24677"
    }
  ]
}

Publisher notes

[bookworm] freerdp2: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [freerdp2-dev]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [freerdp2-shadow-x11]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [freerdp2-wayland]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [freerdp2-x11]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libfreerdp2-2]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libfreerdp-client2-2]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libfreerdp-server2-2]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libfreerdp-shadow2-2]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libfreerdp-shadow-subsystem2-2]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libuwac0-0]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libuwac0-dev]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libwinpr2-2]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libwinpr2-dev]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [libwinpr-tools2-2]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

  • [winpr-utils]Unknown

    Source package: [freerdp2]

    Details (2)

    • 2.11.7+dfsg1-6~deb12u1 · amd64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

    • 2.11.7+dfsg1-6~deb12u1 · arm64 · bookworm

      Affected

      usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12

[Debian 13 (Trixie)]

  • [freerdp3-dev]Unknown

    Source package: [freerdp3]

    Details (4)

    • 3.15.0+dfsg-2.1+deb13u3 · amd64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.15.0+dfsg-2.1+deb13u3 · arm64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · amd64 · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · arm64 · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

  • [freerdp3-proxy]Unknown

    Source package: [freerdp3]

    Details (4)

    • 3.15.0+dfsg-2.1+deb13u3 · amd64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.15.0+dfsg-2.1+deb13u3 · arm64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · all · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · all · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

  • [freerdp3-proxy-modules]Unknown

    Source package: [freerdp3]

    Details (4)

    • 3.15.0+dfsg-2.1+deb13u3 · amd64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.15.0+dfsg-2.1+deb13u3 · arm64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · all · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · all · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

  • [freerdp3-sdl]Unknown

    Source package: [freerdp3]

    Details (4)

    • 3.15.0+dfsg-2.1+deb13u3 · amd64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.15.0+dfsg-2.1+deb13u3 · arm64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · all · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · all · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

  • [freerdp3-shadow-x11]Unknown

    Source package: [freerdp3]

    Details (4)

    • 3.15.0+dfsg-2.1+deb13u3 · amd64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.15.0+dfsg-2.1+deb13u3 · arm64 · trixie

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · all · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

    • 3.30.0+dfsg-1~bpo13+1 · all · trixie-backports

      Fixed · Fixed: 3.15.0+dfsg-2.1+deb13u1

      usn · freerdp3 · debian · 13

Next results

Observed:

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]