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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 inconsistent PAX/ustar header handling. When processing archives with PAX-extended headers containing size overrides, the parser incorrectly advances stream position based on ustar header size (often zero) instead of the PAX-specified size, causing it to interpret fi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:df9a6cb466061164d286895d78e1c5dbd362d35248100f94589075dbed831815
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"tokio-tar","vendor":"astral-sh","versions":[{"status":"affected","version":"< 0.5.6"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ee046c38b60bd0eeed4fc236786f3eb858dfa4a02dde08bde21b13cbad3760a1 · sha256:28c1a0dbb258e7ad… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ee046c38b60bd0eeed4fc236786f3eb858dfa4a02dde08bde21b13cbad3760a1 · sha256:28c1a0dbb258e7ad… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-843","description":"CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ee046c38b60bd0eeed4fc236786f3eb858dfa4a02dde08bde21b13cbad3760a1 · sha256:28c1a0dbb258e7ad… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://edera.dev/stories/tarmageddon","tags":["x_refsource_MISC"],"url":"https://edera.dev/stories/tarmageddon"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee046c38b60bd0eeed4fc236786f3eb858dfa4a02dde08bde21b13cbad3760a1 · sha256:28c1a0dbb258e7ad… · /containers/cna/references/3
{"name":"https://github.com/astral-sh/tokio-tar/commit/22b3f884adb7a2adf1d3a8d03469533f5cbc8318","tags":["x_refsource_MISC"],"url":"https://github.com/astral-sh/tokio-tar/commit/22b3f884adb7a2adf1d3a8d03469533f5cbc8318"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee046c38b60bd0eeed4fc236786f3eb858dfa4a02dde08bde21b13cbad3760a1 · sha256:28c1a0dbb258e7ad… · /containers/cna/references/2
{"name":"https://github.com/astral-sh/tokio-tar/security/advisories/GHSA-j5gw-2vrg-8fgx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/astral-sh/tokio-tar/security/advisories/GHSA-j5gw-2vrg-8fgx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee046c38b60bd0eeed4fc236786f3eb858dfa4a02dde08bde21b13cbad3760a1 · sha256:28c1a0dbb258e7ad… · /containers/cna/references/0
{"name":"https://github.com/astral-sh/uv/security/advisories/GHSA-w476-p2h3-79g9","tags":["x_refsource_MISC"],"url":"https://github.com/astral-sh/uv/security/advisories/GHSA-w476-p2h3-79g9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee046c38b60bd0eeed4fc236786f3eb858dfa4a02dde08bde21b13cbad3760a1 · sha256:28c1a0dbb258e7ad… · /containers/cna/references/1
{"name":"https://github.com/edera-dev/cve-tarmageddon","tags":["x_refsource_MISC"],"url":"https://github.com/edera-dev/cve-tarmageddon"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee046c38b60bd0eeed4fc236786f3eb858dfa4a02dde08bde21b13cbad3760a1 · sha256:28c1a0dbb258e7ad… · /containers/cna/references/4

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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