Vulnerability in Astral-sh Tokio-tar
CVE-2025-62518
astral-tokio-tar is a tar archive reading/writing library for async Rust. Versions of astral-tokio-tar prior to 0.5.6 contain a boundary parsing vulnerability that allows attackers to smuggle additional archive entries by exploiting incons…
EPSS: 0.000 (4.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Astral-sh Tokio-tar — versions < 0.5.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/astral-sh/tokio-tar/security/advisories/GHSA-j5gw-2vrg-8fgx (x_refsource_CONFIRM)
- https://github.com/astral-sh/uv/security/advisories/GHSA-w476-p2h3-79g9 (x_refsource_MISC)
- https://github.com/astral-sh/tokio-tar/commit/22b3f884adb7a2adf1d3a8d03469533f5cbc8318 (x_refsource_MISC)
- https://edera.dev/stories/tarmageddon (x_refsource_MISC)
- https://github.com/edera-dev/cve-tarmageddon (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-62518?
- CVE-2025-62518 is a high-severity vulnerability in Astral-sh Tokio-tar, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.1/10. Published 2025-10-21.
- How severe is CVE-2025-62518?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2025-62518 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.