CVE-2026-44029
Fixed in a distro release EPSS <1%CVSS 5.3
An issue was discovered in Nix before 2.34.7. Writing to arbitrary files can occur via "nix-prefetch-url --unpack" or "nix store prefetch-file --unpack" directory traversal. The fixed versions are 2.34.7, 2.33.6, 2.32.8, 2.31.5, 2.30.5, 2.29.4, and 2.28.7 (introduced in 2.24.7);
Products: NixOS nix
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 13 | nix | no fix |
| Debian 14 | nix | 2.34.8+dfsg-1 |
| Red Hat hummingbird 1 | bootc | 0:1.14.0-0.1.1.hum1 |
| Red Hat hummingbird 1 | chunkah | 0:0.4.0-1.hum1 |
| Red Hat hummingbird 1 | python3-ruff | 0:0.15.11-1.hum1 |
| Red Hat hummingbird 1 | ruff | 0:0.15.11-1.hum1 |
| Red Hat hummingbird 1 | rust | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-analyzer | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-debugger-common | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-doc | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-gdb | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-lldb | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-src | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-std-static | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-std-static-aarch64-unknown-none-softfloat | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-std-static-aarch64-unknown-uefi | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-std-static-i686-pc-windows-gnu | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-std-static-wasm32-unknown-unknown | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-std-static-wasm32-wasip1 | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-std-static-x86_64-pc-windows-gnu | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-std-static-x86_64-unknown-none | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rust-std-static-x86_64-unknown-uefi | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | rustfmt | 0:1.95.0-2.hum1 |
| Red Hat hummingbird 1 | system-reinstall-bootc | 0:1.14.0-0.1.1.hum1 |
| Ubuntu 25.10 | nix | no fix |
| Ubuntu 26.04 LTS | nix | no fix |
| Ubuntu 26.10 | nix | no fix |
| Ubuntu Pro 22.04 LTS | nix | no fix |
| Ubuntu Pro 24.04 LTS | nix | no fix |