CVE-2026-53600

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{"bugzilla": {"description": "async-tar: async-tar: Tar entry/content smuggling via PAX extension-header desynchronization", "id": "2527648", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527648"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "status": "draft"}, "cwe": "CWE-1286", "details": ["A flaw was found in async-tar, a library for reading and writing tar archives in Rust. The library incorrectly applies a buffered PAX size extension to an intermediary extension header instead of the intended next file entry. This allows an attacker to craft a malicious tar archive that manipulates the stream cursor, causing the parser to desynchronize. This desynchronization can lead to differential extraction or tar entry/content smuggling, where async-tar extracts different files or contents than a POSIX-compliant tar parser, potentially allowing an attacker to hide malicious payloads or alter expected file contents."], "name": "CVE-2026-53600", "package_state": [{"cpe": "cpe:/a:redhat:trusted_profile_analyzer:3", "fix_state": "Not affected", "package_name": "rhtpa/rhtpa-rhel10", "product_name": "Red Hat Trusted Profile Analyzer"}], "public_date": "2026-09-02T16:10:27Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53600\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53600\nhttps://github.com/dignifiedquire/async-tar/releases/tag/v0.6.1\nhttps://github.com/dignifiedquire/async-tar/security/advisories/GHSA-35rm-7j9c-2f7m"], "threat_severity": "Moderate"}

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