Threat database

Benny Isaacs discovered that ImageMagick did not properly manage memory when processing certain image files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

USN-8004-1 fixed vulnerabilities in FreeRDP. The update for CVE-2026-23533 introduced a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Kim Dong Han discovered that FreeRDP did not correctly validate the size of certain variables, which could cause a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Kim Dong Han discovered that FreeRDP did not correctly validate the size of certain variables, which could cause a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Stanislav Fort, Petr Šimeček, and Hamza discovered that OpenSSL incorrectly validated PBMAC1 parameters when doing PKCS#12 MAC verification. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 25.10. (CVE-2025-11187) Stanislav Fort discovered that OpenSSL incorrectly parsed CMS AuthEnvelopedData messages. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2025-15467) Stanislav Fort discovered that OpenSSL incorrectly handled memory in the SSL_CIPHER_find() function. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 25.10. (CVE-2025-15468) Stanislav Fort discovered that the OpenSSL "openssl dgst" command line tool incorrectly truncated data to 16MB. An attacker could posibly use this issue to hide unauthenticated data beyond the 16MB limit. This issue only affected Ubuntu 25.10. (CVE-2025-15469) Tomas Dulka and Stanislav Fort discovered that OpenSSL incorrectly handled memory with TLS 1.3 connections using certificate compression. An attacker could possibly use this issue to consume resources, leading to a denial of service. This issue only affected Ubuntu 25.10. (CVE-2025-66199) Petr Simecek and Stanislav Fort discovered that OpenSSL incorrectly handled memory when writing large data into a BIO chain. An attacker could possibly use this issue to consume resources, leading to a denial of service. (CVE-2025-68160) Stanislav Fort discovered that the OpenSSL OCB API could incorrectly leave final partial blocks unencrypted and unauthenticated. An attacker could possibly use this issue to read or tamper with the affected final bytes. (CVE-2025-69418) Stanislav Fort discovered that OpenSSL incorrectly handled the PKCS12_get_friendlyname() utf-8 conversion. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2025-69419) Luigino Camastra discovered that OpenSSL incorrectly handled ASN1_TYPE validation in the TS_RESP_verify_response() function. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2025-69420) Luigino Camastra discovered that OpenSSL incorrectly handled memory in the PKCS12_item_decrypt_d2i_ex function. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2025-69421) Luigino Camastra discovered that OpenSSL incorrectly handled ASN1_TYPE validation in PKCS#12 parsing. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2026-22795) Luigino Camastra discovered that OpenSSL incorrectly handled ASN1_TYPE validation in the PKCS7_digest_from_attributes() function. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2026-22796)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Compute Acceleration Framework; - Media drivers; - Netfilter; - TLS protocol; (CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018, CVE-2025-40172, CVE-2025-40177)

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this to expose sensitive information from the host OS. (CVE-2025-40300) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - HSI subsystem; - Media drivers; - Network drivers; - Bluetooth subsystem; - Timer subsystem; - Memory management; - Appletalk network protocol; - Netfilter; - TLS protocol; (CVE-2025-21729, CVE-2025-37838, CVE-2025-37958, CVE-2025-38118, CVE-2025-38227, CVE-2025-38352, CVE-2025-38616, CVE-2025-38666, CVE-2025-38678, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018)

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. (CVE-2024-36331) Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this to expose sensitive information from the host OS. (CVE-2025-40300) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - S390 architecture; - x86 architecture; - Cryptographic API; - Network block device driver; - Character device driver; - Clock framework and drivers; - Data acquisition framework and drivers; - Hardware crypto device drivers; - Device frequency scaling framework; - DMA engine subsystem; - EDAC drivers; - GPU drivers; - HID subsystem; - Hardware monitoring drivers; - I2C subsystem; - IIO subsystem; - IIO ADC drivers; - InfiniBand drivers; - Input Device core drivers; - Multiple devices driver; - Media drivers; - Network drivers; - Mellanox network drivers; - PCI subsystem; - PHY drivers; - Pin controllers subsystem; - x86 platform drivers; - Power supply drivers; - Powercap sysfs driver; - Voltage and Current Regulator drivers; - S/390 drivers; - ASPEED SoC drivers; - SPI subsystem; - small TFT LCD display modules; - Media staging drivers; - USB Gadget drivers; - vDPA drivers; - VFIO drivers; - Framebuffer layer; - Xen hypervisor drivers; - BTRFS file system; - Ceph distributed file system; - EFI Variable file system; - File systems infrastructure; - F2FS file system; - GFS2 file system; - Network file systems library; - Network file system (NFS) client; - Network file system (NFS) server daemon; - NILFS2 file system; - NTFS3 file system; - Proc file system; - SMB network file system; - DRM display driver; - io_uring subsystem; - Internal shared memory driver; - padata parallel execution mechanism; - Networking subsytem; - Bluetooth subsystem; - Netfilter; - UDP network protocol; - Tracing infrastructure; - BPF subsystem; - Perf events; - Padata parallel execution mechanism; - Codetag library; - KASAN memory debugging framework; - Memory management; - 802.1Q VLAN protocol; - Appletalk network protocol; - Asynchronous Transfer Mode (ATM) subsystem; - Networking core; - IPv4 networking; - IPv6 networking; - MAC80211 subsystem; - Multipath TCP; - Netlink; - RxRPC session sockets; - Network traffic control; - SMC sockets; - Sun RPC protocol; - TIPC protocol; - TLS protocol; - VMware vSockets driver; - Wireless networking; - XFRM subsystem; - ADI SoundPort AD1816A based soundcard drivers; - MediaTek ASoC drivers; - SOF drivers; - USB sound devices; - KVM subsystem; (CVE-2025-38335, CVE-2025-38349, CVE-2025-38351, CVE-2025-38437, CVE-2025-38438, CVE-2025-38439, CVE-2025-38440, CVE-2025-38441, CVE-2025-38443, CVE-2025-38444, CVE-2025-38445, CVE-2025-38446, CVE-2025-38448, CVE-2025-38449, CVE-2025-38450, CVE-2025-38451, CVE-2025-38452, CVE-2025-38453, CVE-2025-38454, CVE-2025-38455, CVE-2025-38456, CVE-2025-38457, CVE-2025-38458, CVE-2025-38459, CVE-2025-38460, CVE-2025-38461, CVE-2025-38462, CVE-2025-38463, CVE-2025-38464, CVE-2025-38465, CVE-2025-38466, CVE-2025-38467, CVE-2025-38468, CVE-2025-38469, CVE-2025-38470, CVE-2025-38471, CVE-2025-38472, CVE-2025-38473, CVE-2025-38474, CVE-2025-38475, CVE-2025-38476, CVE-2025-38478, CVE-2025-38480, CVE-2025-38481, CVE-2025-38482, CVE-2025-38483, CVE-2025-38484, CVE-2025-38485, CVE-2025-38487, CVE-2025-38488, CVE-2025-38489, CVE-2025-38490, CVE-2025-38491, CVE-2025-38492, CVE-2025-38493, CVE-2025-38494, CVE-2025-38495, CVE-2025-38496, CVE-2025-38497, CVE-2025-38501, CVE-2025-38503, CVE-2025-38505, CVE-2025-38506, CVE-2025-38507, CVE-2025-38508, CVE-2025-38509, CVE-2025-38510, CVE-2025-38511, CVE-2025-38512, CVE-2025-38513, CVE-2025-38514, CVE-2025-38515, CVE-2025-38516, CVE-2025-38517, CVE-2025-38520, CVE-2025-38521, CVE-2025-38524, CVE-2025-38525, CVE-2025-38526, CVE-2025-38527, CVE-2025-38528, CVE-2025-38529, CVE-2025-38530, CVE-2025-38531, CVE-2025-38532, CVE-2025-38533, CVE-2025-38534, CVE-2025-38535, CVE-2025-38537, CVE-2025-38538, CVE-2025-38539, CVE-2025-38540, CVE-2025-38542, CVE-2025-38543, CVE-2025-38544, CVE-2025-38545, CVE-2025-38546, CVE-2025-38547, CVE-2025-38548, CVE-2025-38549, CVE-2025-38550, CVE-2025-38551, CVE-2025-38552, CVE-2025-38553, CVE-2025-38555, CVE-2025-38556, CVE-2025-38557, CVE-2025-38558, CVE-2025-38559, CVE-2025-38560, CVE-2025-38561, CVE-2025-38562, CVE-2025-38563, CVE-2025

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Media drivers; - Memory management; - Appletalk network protocol; - Netfilter; (CVE-2025-37958, CVE-2025-38666, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018)