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CVE-2026-56741

HIGH · CVSS 7.5 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-07-17T22:17:57.317 · Çekilme zamanı: 2026-07-18T00:07:29.529043+00:00

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Uzaktan istismar edilebilir olabilir.

Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

Not: Bu bağlantılar yalnızca güvenlik araştırması ve doğrulama amacıyla listelenmiştir.

CVE
CVE-2026-56741
Severity
HIGH
CVSS
7.5
EPSS
Yok
Java

Orijinal NVD Açıklaması

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS() in TelnetIO.java:856-879 reads client-supplied width and height as 16-bit unsigned integers and passes values such as 65535x65535 to setTerminalGeometry(), allowing an unauthenticated remote attacker to repeatedly alternate values and trigger continuous expensive rendering work that causes CPU exhaustion and denial of service. This issue is fixed in versions 3.30.14, 4.0.16, and 4.2.1.