Astra Linux – Vulnerability in libssh2

A vulnerability was discovered in the function libssh2packetadd in libssh2 1.10.0, allowing attackers to access out-of-bound memory...

The vulnerability of the _libssh2_packet_add() function in the packet.c component of the SSH2 protocol implementation library Libssh2 allows a attacker to cause a service failure.

The vulnerability of the libssh2packetadd function in the packet.c component of the SSH2 protocol implementation library Libssh2 is related to insufficient input validation. Exploiting this vulnerability could allow a remote attacker to cause service interruptions...

JLSEC-2025-189 An issue was discovered in function `_libssh2_packet_add` in libssh2 1.10.0 allows attackers to...

An issue was discovered in function libssh2packetadd in libssh2 1.10.0 allows attackers to access out of bounds memory...

PT-2025-45980

An issue was discovered in function libssh2 packet add in libssh2 1.10.0 allows attackers to access out of bounds memory...

PT-2025-55143

Уязвимость функции libssh2 packet add компонента packet.c библиотеки реализации протокола SSH2 Libssh2 связана с недостаточной проверкой вводимых данных. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании...

OSV-2025-433 Null-dereference READ in _libssh2_packet_add

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=422217191 Crash type: Null-dereference READ Crash state: libssh2packetadd fullpacket libssh2transportread...

PT-2025-35589

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=422217191 Crash type: Null-dereference READ Crash state: libssh2 packet add fullpacket libssh2 transport read...

PT-2024-40859

Name of the Vulnerable Software and Affected Versions libssh2 affected versions not specified Description The issue is related to a null-dereference read crash. Technical details about the crash include the libssh2 packet add function, fullpacket, and the libssh2 transport read function...

PT-2023-35661 · Libssh2 · Libssh2

Name of the Vulnerable Software and Affected Versions: libssh2 affected versions not specified Description: The issue is related to a heap buffer overflow read. Technical details about the crash include the libssh2 kex agree instr and libssh2 packet add functions, as well as the fullpacket state...

The vulnerability of the _libssh2_packet_add function in the libssh2 component of the SSH2 implementation library Libssh2 allows a attacker to cause a service failure.

The vulnerability of the libssh2packetadd function in the libssh2 component of the SSH2 implementation library is related to buffer overflow attacks. Exploiting this vulnerability could allow a malicious actor to cause service failures remotely...

CLSA-2023-1695835334 Fix CVE(s): CVE-2020-22218

SECURITY UPDATE: An issue was discovered in function libssh2packetadd in libssh2 1.10.0 allows attackers to access out of bounds memory. - debian/patches/CVE-2020-22218.patch: doing totalnum zero length check. - CVE-2020-22218...

SUSE CVE-2020-22218

An issue was discovered in function libssh2packetadd in libssh2 1.10.0 allows attackers to access out of bounds memory...

DEBIAN-CVE-2020-22218

An issue was discovered in function libssh2packetadd in libssh2 1.10.0 allows attackers to access out of bounds memory...

AZL-28594 CVE-2020-22218 affecting package libssh2 for versions less than 1.9.0-3

An issue was discovered in function libssh2packetadd in libssh2 1.10.0 allows attackers to access out of bounds memory...

UBUNTU-CVE-2020-22218

An issue was discovered in function libssh2packetadd in libssh2 1.10.0 allows attackers to access out of bounds memory...

libssh2 缓冲区错误漏洞

libssh2 is a client-side C library that implements the SSH2 protocol, which is capable of executing remote commands, file transfers, as well as providing a secure transmission channel for remote programs. A security vulnerability exists in libssh 2 version 1.10.0, which stems from a security flaw...

PT-2023-35795 · Libssh2 · Libssh2

Name of the Vulnerable Software and Affected Versions: libssh2 affected versions not specified Description: The issue is related to a heap-buffer-overflow read. Technical details about the crash include the packet authagent open function and the libssh2 packet add function. The libssh2 ntohu32...

PT-2020-6930 · Libssh2 +6 · Libssh2 +6

Name of the Vulnerable Software and Affected Versions: libssh2 version 1.10.0 Description: An issue was discovered in the libssh2 packet add function that allows attackers to access out of bounds memory, potentially leading to a denial of service. This issue is related to a buffer overflow in the...