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EUVD-2026-203345

fkie_cve-2024-47534

go-tuf is a Go implementation of The Update Framework (TUF). The go-tuf client inconsistently traces the delegations. For example, if targets delegate to "A", and to "B", and "B" delegates to "C", then the client should trace the delegations in the order "A" then "B" then "C" but it may incorrectly trace the delegations "B"->"C"->"A". This vulnerability is fixed in 2.0.1.

GHSA-4f8r-qqr9-fq8j — Incorrect delegation lookups can make go-tuf download the wrong artifact

Affected: Go: github.com/theupdateframework/go-tuf/v2

During the ongoing work on the TUF conformance test suite, we have come across a test that reveals what we believe is a bug in go-tuf with security implications. The bug exists in go-tuf delegation tracing and could result in downloading the wrong artifact.

We have come across this issue in the test in this PR: https://github.com/theupdateframework/tuf-conformance/pull/115.

The test - `test_graph_traversal` - sets up a repository with a series of delegations, invokes the clients `refresh()` and then checks the order in which the client traced the delegations. The test shows that the go-tuf client inconsistently traces the delegations in a wrong way. For example, [during one CI run](https://github.com/theupdateframework/tuf-conformance/pull/115#issuecomment-2275625542), the `two-level-delegations` test case triggered a wrong order. The delegations in this look as such:

```python "two-level-delegations": DelegationsTestCase( delegations=[ DelegationTester("targets", "A"), DelegationTester("targets", "B"), DelegationTester("B", "C"), ], visited_order=["A", "B", "C"], ), ```

Here, `targets` delegate to `"A"`, and to `"B"`, and `"B"` delegates to `"C"`. The client should trace the delegations in the order `"A"` then `"B"` then `"C"` but in this particular CI run, go-tuf traced the delegations `"B"->"C"->"A"`.

In a subsequent CI run, this test case did not fail, but [another one did](https://github.com/theupdate…

openSUSE-SU-2024:0350-1 — Security update for govulncheck-vulndb

Security update for govulncheck-vulndb

SUSE-SU-2024:3911-1 — Security update for govulncheck-vulndb

Security update for govulncheck-vulndb

UBUNTU-CVE-2024-47534

Affected: Ubuntu:16.04:LTS: golang-github-endophage-gotuf, Ubuntu:18.04:LTS: golang-github-endophage-gotuf