`IterMut` violates Stacked Borrows by invalidating internal pointer
Exploitation and risk
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osv · GHSA-rhfx-m35p-ff5j
PublishedAffected versions of this crate contain a soundness issue in the `IterMut` iterator implementation. The `IterMut::next` and `IterMut::next_back` methods temporarily create an exclusive reference to the key when dereferencing the internal node pointer. This invalidates the shared pointer held by the internal `HashMap`, violating Stacked Borrows rules.
- Source published
- 7 Jan 2026 20:38:57 UTC
- Source modified
- 10 Sep 2026 03:50:59 UTC
- Saved here
- 24 Oct 2026 13:19:54 UTC
- Source terms
- GitHub Advisory Database · CC-BY-4.0
Original source record · Cite this exact observation · Complete original publisher JSON
Source: osv · GitHub Advisory Database · CC-BY-4.0. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS_V4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
Publisher rating · LOW
osv · RUSTSEC-2026-0002
PublishedAffected versions of this crate contain a soundness issue in the `IterMut` iterator implementation. The `IterMut::next` and `IterMut::next_back` methods temporarily create an exclusive reference to the key when dereferencing the internal node pointer. This invalidates the shared pointer held by the internal `HashMap`, violating Stacked Borrows rules.
- Source published
- 7 Jan 2026 12:00:00 UTC
- Source modified
- 8 Jan 2026 05:56:19 UTC
- Saved here
- 24 Oct 2026 13:19:54 UTC
- Source terms
- OSV · upstream source license applies
Original source record · Cite this exact observation · Complete original publisher JSON
Source: osv · OSV · upstream source license applies. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.