
CVE catalog
CVE-2021-29939
rust-stackvector: CVE-2021-29939
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.03% · Oct 25, 2026
An issue was discovered in the stackvector crate through 2021-02-19 for Rust. There is an out-of-bounds write in StackVec::extend if size_hint provides certain anomalous data.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | rust-stackvector | sid | 1.1.1-1 | fixed |
| Debian | rust-stackvector | forky | 1.1.1-1 | fixed |
| Debian | rust-stackvector | trixie | 1.1.1-1 | fixed |
| Debian | rust-stackvector | bookworm | 1.1.1-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | rust-stackvector | source | sid | 1.0.6-3 | not yet assigned | Not reported | [986808] |
| Debian | rust-stackvector | source | forky | 1.0.6-3 | not yet assigned | Not reported | [986808] |
| Debian | rust-stackvector | source | trixie | 1.0.6-3 | not yet assigned | Not reported | [986808] |
| Debian | rust-stackvector | source | bookworm | 1.0.6-3 | not yet assigned | Not reported | [986808] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [librust-stackvector-dev]Fixed
Source package: [rust-stackvector]
Details (2)
1.1.1-1+b1· amd64 · bookwormFixed · Fixed:
1.0.6-3dsa · rust-stackvector · debian · bookworm; dsa · rust-stackvector · debian · 12
1.1.1-1+b1· arm64 · bookwormFixed · Fixed:
1.0.6-3dsa · rust-stackvector · debian · bookworm; dsa · rust-stackvector · debian · 12
[Debian 13 (Trixie)]
- [librust-stackvector-dev]Fixed
Source package: [rust-stackvector]
Details (2)
1.1.1-1+b2· amd64 · trixieFixed · Fixed:
1.0.6-3dsa · rust-stackvector · debian · 13
1.1.1-1+b2· arm64 · trixieFixed · Fixed:
1.0.6-3dsa · rust-stackvector · debian · 13
Observed: