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CVE-2026-53994

🗓️ 20 Jul 2026 09:25:48Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 7 Views

An SFTP user can trigger a heap overflow in ProFTPD mod_sftp with a zero value, causing underflow and denial of service.

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Refs
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CVE-2026-53994
18 Jul 202619:30
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CVE-2026-53994
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CVE-2026-53994
18 Jul 202619:30
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CVE-2026-53994 ProFTPD mod_sftp Heap Buffer Overflow via Unsigned Integer Underflow and Size Truncation
18 Jul 202619:30
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CVE-2026-53994
18 Jul 202619:30
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EUVD-2026-45396
18 Jul 202619:30
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CVE-2026-53994
18 Jul 202620:17
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OSV
CVE-2026-53994 ProFTPD mod_sftp Heap Buffer Overflow via Unsigned Integer Underflow and Size Truncation
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DEBIAN-CVE-2026-53994
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UBUNTU-CVE-2026-53994
20 Jul 202600:00
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20 Jul 2026 09:25Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17.5
CVSS 47.7
EPSS0.00406
SSVC
7