CVE-2018-10933

POC of CVE-2018-10933 A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access. Usage : python3 libssh.py -s SERVERADD -u USERNAME -c...

CVE-2018-10933

CVE-2018-10933 تم اكتشاف ثغرة أمنية في آلة الحالة من جانب الخادم في libssh قبل الإصدارين 0.7.6 و0.8.4. يمكن للعميل الخبيث إنشاء قنوات دون إجراء المصادقة أولاً، مما يؤدي إلى وصول غير مصرح به. بعض التفاصيل تنشأ المشكلة من الطريقة التي لا يحافظ بها libssh على حالة المصادقة وكيف يمكن استغلال ذلك لتجا...

Rocky Linux 9.6 [TuxCare] Security Update: libssh / libssh-config / libssh-devel (ALMALINUX9.6:CLSA-2026:1778269628)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778269628 advisory. - A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory...

Rocky Linux 10.0 [CIQ] Security Update: libssh / libssh-config / libssh-debuginfo / libssh-debugsource / etc (crlsa-2025_18231)

The Rocky Linux 10.0 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202518231 advisory. libssh: out-of-bounds read in sftphandle CVE-2025-5318 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that...

Rocky Linux 9.6 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2025:1765985737)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2025:1765985737 advisory. - A flaw was found in the key export functionality of libssh. The issue occurs in the internal function responsible for converting...

Rocky Linux 9.6 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2025:1764696522)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2025:1764696522 advisory. - A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the sshkdf function responsible...

Rocky Linux 8 [CIQ] Security Update: libssh / libssh-config / libssh-debuginfo / libssh-debugsource / etc Multiple Vulnerabilities (crlsa-2026_62218)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202662218 advisory. libssh: libssh: denial of service via zero advertised channel packet size CVE-2026-59843 libssh: libssh: denial of service via oversized SFTP read length...

Rocky Linux 9 [CIQ] Security Update: libssh / libssh-config / libssh-debuginfo / libssh-debugsource / etc (crlsa-2025_18275)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202518275 advisory. libssh: out-of-bounds read in sftphandle CVE-2025-5318 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that...

CentOS Linux 8 [TuxCare] Security Update: libssh / libssh-config / libssh-devel (CENTOS-STREAM8:CLSA-2026:1774007374)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1774007374 advisory. - A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftpextensionsgetname/sftpextensionsgetdata...

CentOS Linux 8.4 [TuxCare] Security Update: libssh / libssh-config / libssh-devel (CENTOS8.4:CLSA-2025:1759951300)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2025:1759951300 advisory. - A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the sshkdf function responsible for key...

CentOS Linux 8.4 [TuxCare] Security Update: libssh / libssh-config / libssh-devel (CENTOS8.4:CLSA-2026:1776701249)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1776701249 advisory. - A flaw was found in libssh in which a malicious SFTP SSH File Transfer Protocol server can exploit this by sending a malformed 'longname'...

CentOS Linux 8 [TuxCare] Security Update: libssh / libssh-config / libssh-devel (CENTOS-STREAM8:CLSA-2026:1778003186)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1778003186 advisory. - A flaw was found in libssh. The API function sshgethexa is vulnerable to a denial of service when processing zero-length input. This ca...

AlmaLinux 9.6 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1786549709)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786549709 advisory. - A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSHMSGCHANNELOPEN, causing lat...

Rocky Linux 9 [CIQ] Security Update: libssh / libssh-config / libssh-debuginfo / libssh-debugsource / etc Multiple Vulnerabilities (crlsa-2024_2504)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20242504 advisory. libssh: ProxyCommand/ProxyJump features allow injection of malicious code through hostname CVE-2023-6004 libssh: Missing checks for return values for diges...

CentOS Linux 8.5 [TuxCare] Security Update: libssh / libssh-config / libssh-devel (CENTOS8.5:CLSA-2025:1759248061)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2025:1759248061 advisory. - A flaw was found in the libssh library in versions less than 0.11.2. An out-of-bounds read can be triggered in the sftphandle function due ...

Rocky Linux 8 [CIQ] Security Update: libssh / libssh-config / libssh-debuginfo / libssh-debugsource / etc Multiple Vulnerabilities (crlsa-2020_4545)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20204545 advisory. libssh: denial of service when handling AES-CTR or DES ciphers CVE-2020-1730 libssh: unsanitized location in scp could lead to unwanted command execution...

Rocky Linux 8.6 [CIQ] Security Update: libssh / libssh-config / libssh-debuginfo / libssh-debugsource / etc Multiple Vulnerabilities (ciqsa-2026_0087)

The Rocky Linux 8.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260087 advisory. This advisory aggregates security fixes for the libssh SRPM in CIQ LTS 8.6. It addresses 4 CVEs: CVE-2023-51385, CVE-2023-1667, CVE-2023-2283,...

Rocky Linux 9.2 [CIQ] Security Update: libssh / libssh-config / libssh-debuginfo / libssh-debugsource / etc (ciqsa-2026_0451)

The Rocky Linux 9.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ ciqsa-20260451 advisory. This advisory aggregates security fixes for the libssh SRPM in CIQ LTS 9.2. It addresses 1 CVE: CVE-2023-48795. Tenable has extracted the preceding description...

Rocky Linux 8.8 [CIQ] Security Update: libssh / libssh-config / libssh-debuginfo / libssh-debugsource / etc Multiple Vulnerabilities (ciqsa-2026_1030)

The Rocky Linux 8.8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261030 advisory. This advisory aggregates security fixes for the libssh SRPM in CIQ LTS 8.8. It addresses 2 CVEs: CVE-2023-51385, CVE-2023-48795. Tenable has extracted th...

AlmaLinux 9.2 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1786446507)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786446507 advisory. - A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSHMSGCHANNELOPEN, causing lat...