CVE-2026-7423 Integer Underflow in ICMP Echo Reply Processing in FreeRTOS-Plus-TCP

Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network user to cause a denial of service device crash when outgoing ping support is enabled, because header sizes are subtracted from a packet length field without...

EUVD-2026-26276

Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network user to cause a denial of service device crash when outgoing ping support is enabled, because header sizes are subtracted from a packet length field without...

CVE-2026-7423 Integer Underflow in ICMP Echo Reply Processing in FreeRTOS-Plus-TCP

Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network user to cause a denial of service device crash when outgoing ping support is enabled, because header sizes are subtracted from a packet length field without...

ECHO-916F-8705-1B52

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PT-2026-35974

Name of the Vulnerable Software and Affected Versions FreeRTOS-Plus-TCP versions prior to V4.4.1 FreeRTOS-Plus-TCP versions prior to V4.2.6 Description An integer underflow exists in the ICMP and ICMPv6 echo reply handlers when outgoing ping support is enabled. This occurs because header sizes ar...

FreeRTOS-Plus-TCP 数字错误漏洞

FreeRTOS-Plus-TCP is an extensible, open-source TCP/IP stack designed for use with FreeRTOS. Versions prior to 4.4.1 and 4.2.6 of FreeRTOS-Plus-TCP contained a numerical error vulnerability. This vulnerability stemmed from integer overflows in the ICMP and ICMPv6 echo reply handlers, which could...

Exploit for Deserialization of Untrusted Data in Openidentityplatform Openam

CVE-2026-33439 — OpenAM Pre-Auth RCE Echo Mode Command outp...

ECHO-96DD-E453-1BCA

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ECHO-E69E-9F59-01AF Kernel vulnerabilities are irrelevant in container environments.

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ECHO-54BC-B2EC-53E9 Kernel vulnerabilities are irrelevant in container environments.

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ECHO-17C0-E74C-E1ED

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ECHO-778A-550A-1FD5 Type confusion in xmlParseReference (ctxt vs ctxt->userData in SAX callbacks). Introduced by commit e1153832 ("parser: Fix quadratic behavior when copying entities", 2024-01-07), first released in v2.13.0. Last unaffected release: v2.12.10. Debian trixie package is 2.12.7+dfsg+really2.9.14 (effectively v2.9.14) which predates the bug — all SAX callbacks in xmlParseReference already correctly pass ctxt->userData. Verified against the actual Debian source from salsa.debian.org. Not exploitable.

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ECHO-0E1E-5A56-ED2D

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ECHO-0EFA-566E-D6F7

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ECHO-7A19-B82F-1AD5

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ECHO-AFBA-F32F-E1D7

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ECHO-1E4C-228C-95EE

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ECHO-C7D8-12A5-DC19

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ECHO-893F-0BBE-3F32 Kernel vulnerabilities are irrelevant in container environments.

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PT-2026-43904

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified openSUSE Tumbleweed versions prior to kernel-devel-7.0.11-1.1 Description A flaw exists in the IPv4 ICMP implementation where the system fails to validate the reply type before accessing the icmp...