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{"bugzilla": {"description": "wget: GNU Wget: Integer overflow in Content-Range header parsing causes download desynchronization", "id": "2497860", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2497860"}, "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:N/A:L", "status": "draft"}, "cwe": "CWE-190", "details": ["GNU Wget through 1.25.0, fixed in commit 43d3ba9, contains an integer overflow vulnerability in the parse_content_range() function within src/http.c that allows server-controlled values to cause signed integer arithmetic to overflow. Attackers can supply malicious Content-Range header values to trigger undefined behavior and download desynchronization in the affected client.", "An integer overflow in GNU Wget's parse_content_range() function allows malicious servers to send crafted Content-Range headers. This triggers undefined behavior and download desynchronization, potentially causing a denial of service or data integrity issues for the client."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, users should avoid using `wget` to download content from untrusted or unverified sources. When `wget` is used in automated scripts or environments, ensure that the target servers are trusted to prevent exposure to malicious `Content-Range` headers. Restricting network access for `wget` to only trusted hosts can also reduce the attack surface."}, "name": "CVE-2026-58470", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "wget", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "wget", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "wget", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "wget", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "wget", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-07T19:45:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-58470\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-58470\nhttps://gitlab.com/gnuwget/wget/-/commit/43d3ba9336bc94937e6fae2365c6ffd30c34ffcf\nhttps://www.vulncheck.com/advisories/gnu-wget-integer-overflow-via-content-range-header-parsing"], "statement": "Moderate: GNU Wget is vulnerable to a client-side integer overflow in its Content-Range header processing. If a client connects to an attacker-controlled server, the server can return anomalous headers that cause undefined behavior and stream desynchronization. This results in local data integrity issues or a denial of service, though the impact is strictly limited to the Wget process itself.", "threat_severity": "Moderate"}

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