Advisories the vendor has revised
Unbounded GraphQL query depth allows authenticated denial of service. Red Hat rates this important (CVSS 7.7). Weakness: CWE-400. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
It was discovered that OpenSSH incorrectly handled file permissions when downloading files as root using the legacy scp protocol without the preserve-mode option. An attacker could use this to install setuid or setgid files on a system, possibly leading to privilege escalation. Affected Ubuntu releases: 16.04. CVEs: CVE-2026-35385.
It was discovered that GnuTLS had a timing side-channel when processing malformed ciphertexts in RSA-PSK ClientKeyExchange. A remote attacker could possibly use this issue to recover sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2024-0553) Bing Shi discovered that GnuTLS incorrectly handled decoding certain DER-encoded certificates. A remote attacker could possibly use this issue to cause GnuTLS to consume resources, leading to a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2024-12243) Luigino Camastra discovered that GnuTLS incorrectly handled certain PKCS11 token labels. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. The default compiler options for affected releases should reduce the vulnerability to a denial of service. (CVE-2025-9820) Tim Scheckenbach discovered that GnuTLS incorrectly handled malicious certificates containing a large number of name constraints and subject alternative names. A remote attacker could possibly use this issue to cause GnuTLS to consume resources, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2025-14831) Oleh Konko and Joshua Rogers discovered that GnuTLS did not properly handle case-insensitive name constraints in certain cases. A remote attacker could po Affected Ubuntu releases: 20.04, 18.04, 16.04. CVEs: CVE-2026-33846, CVE-2026-3833, CVE-2026-42009, CVE-2026-5260, CVE-2026-33845, CVE-2024-12243, CVE-2025-14831, CVE-2025-9820….
It was discovered that PHP incorrectly handled SOAP object deduplication when processing apache:Map nodes with duplicate keys. An attacker could possibly use this to cause a use-after-free, resulting in remote code execution. (CVE-2026-6722) It was discovered that PHP incorrectly handled SOAP request persistence when configured with SOAP_PERSISTENCE_SESSION. An attacker could possibly use this to cause a use-after-free, resulting in memory corruption, information disclosure, or a denial of service. (CVE-2026-7261) It was discovered that the PDO Firebird driver in PHP improperly handled NUL bytes when quoting SQL query strings. An attacker could possibly use this to perform SQL injection when attacker-controlled values are embedded in SQL statements. (CVE-2025-14179) Affected Ubuntu releases: 16.04. CVEs: CVE-2026-6722, CVE-2026-7261, CVE-2025-14179.
It was discovered that Gzip's gzexe utility handled temporary files in an insecure manner. When the mktemp utility was not available, gzexe constructed a temporary file path based on the process ID, which could be predicted. A local attacker could possibly use this issue to overwrite arbitrary files via a symlink attack. (CVE-2026-41991) It was discovered that Gzip incorrectly handled certain compressed files. An attacker could possibly use this issue to obtain sensitive information or cause Gzip to crash, resulting in a denial of service. (CVE-2026-41992) Affected Ubuntu releases: 26.04, 24.04, 22.04. CVEs: CVE-2026-41992, CVE-2026-41991.
It was discovered that socat incorrectly handled the SOCKS5 proxy server reply parser. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2026-56123) It was discovered that socat incorrectly handled a sample script. A local attacker could possibly use this issue to overwrite arbitrary files. This issue only affected Ubuntu 24.04 LTS. (CVE-2024-54661) Affected Ubuntu releases: 26.04, 24.04. CVEs: CVE-2024-54661, CVE-2026-56123.
It was discovered that tar incorrectly handled symlinks when extracting archives. An attacker could possibly use this issue to overwrite arbitrary files. Affected Ubuntu releases: 26.04, 24.04, 22.04. CVEs: CVE-2025-45582.
It was discovered that Python incorrectly normalized paths in the tarfile module. An attacker could possibly use this issue to bypass path restrictions. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2025-13462) It was discovered that Python's HTMLParser incorrectly handled certain malformed HTML input. An attacker could possibly use this issue to cause Python to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2025-69534) It was discovered that Python's email module incorrectly quoted newlines in headers. An attacker could possibly use this issue to inject arbitrary email headers. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-1299) It was discovered that Python's http.client module did not properly sanitize carriage return and linefeed characters when handling HTTP CONNECT tunnel request headers. An attacker could possibly use this issue to inject arbitrary HTTP headers. (CVE-2026-1502) It was discovered that Python's importlib module did not generate an audit event when loading legacy .pyc files. An attacker could possibly use this issue to bypass auditing mechanisms. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-2297) It was discovered that Python's unicodedata.normalize() function had incorrect algorithmic complexity. An attacker could p Affected Ubuntu releases: 26.04, 24.04, 22.04. CVEs: CVE-2026-9669, CVE-2026-6019, CVE-2026-3644, CVE-2025-13462, CVE-2026-7774, CVE-2021-4189, CVE-2026-4224, CVE-2026-1299….
Aleksander Iwicki discovered that Request Tracker did not properly sanitize the search "Page" URL parameter. A remote attacker could possibly use this issue to conduct a reflected cross-site scripting attack. (CVE-2026-6841) It was discovered that Request Tracker did not properly sanitize user- controlled data written to spreadsheet exports of search results. A remote attacker could possibly use this issue to conduct a spreadsheet (CSV/formula) injection attack, causing spreadsheet applications to interpret crafted values as formulas or macros when the file is opened. (CVE-2026-41073) It was discovered that Request Tracker did not properly validate input incorporated into database queries via the entry_aggregator parameter in JSON search. An authenticated user could possibly use this issue to perform SQL injection attacks and read or modify data in the RT database. (CVE-2026-41075) It was discovered that Request Tracker contained an authentication bypass when configured to authenticate users against an LDAP or Active Directory server. Under certain LDAP server configurations, a remote attacker could possibly use this issue to authenticate as any LDAP-backed RT user without supplying valid credentials. (CVE-2026-41076) It was discovered that Request Tracker served certain uploaded content inline rather than as an attachment. A remote attacker could possibly use this issue to con Affected Ubuntu releases: 26.04, 24.04, 22.04. CVEs: CVE-2026-44231, CVE-2026-44230, CVE-2026-6841, CVE-2026-44229, CVE-2026-41075, CVE-2026-41073, CVE-2026-41076.
It was discovered that Parsl incorrectly constructed SQL queries using unsafe string formatting with user-supplied input in the parsl-visualize component. A remote attacker could possibly use this issue to perform SQL injection attacks, leading to data exfiltration or a denial of service. Affected Ubuntu releases: 24.04. CVEs: CVE-2026-21892.
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; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACPI drivers; - ATM drivers; - RNBD block device driver; - Ublk userspace block driver; - Bus devices; - Character device driver; - TPM device driver; - Clock framework and drivers; - Clocksource drivers; - CPU idle management framework; - Hardware crypto device drivers; - DMA engine subsystem; - EFI core; - GPIO subsystem; - GPU drivers; - HID subsystem; - Hardware monitoring drivers; - IIO subsystem; - InfiniBand drivers; - IOMMU subsystem; - Multiple devices driver; - Media drivers; - Multifunction device drivers; - Broadcom VK accelerator driver; - MOST (Media Oriented Systems Transport) drivers; - MTD block device drivers; - Ethernet bonding driver; - Network drivers; - Mellanox network drivers; - STMicroelectronics network drivers; - NTB driver; - NVME drivers; - PCI subsystem; - Performance monitor drivers; - Pin controllers subsystem; - x86 platform drivers; - Power supply drivers; - RapidIO drivers; - RAS (Reliability, Availability, Serviceability) subsystem; - Remote Processor subsystem; - RPMSG subsystem; - S/390 drivers; - SCSI subsystem; - MediaTek SoC dri Affected Ubuntu releases: 24.04. CVEs: CVE-2026-43314, CVE-2026-43248, CVE-2026-45974, CVE-2026-46250, CVE-2025-71291, CVE-2026-45870, CVE-2026-43291, CVE-2026-43341….
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; - S390 architecture; - Block layer subsystem; - Cryptographic API; - DMA engine subsystem; - GPU drivers; - InfiniBand drivers; - Ethernet bonding driver; - STMicroelectronics network drivers; - Network drivers; - NVME drivers; - SCSI subsystem; - USB over IP driver; - File systems infrastructure; - Ext4 file system; - Network file system (NFS) server daemon; - SMB network file system; - Kernel thread helper (kthread); - Distributed Switch Architecture; - IPv6 networking; - Netfilter; - Tracing infrastructure; - Control group (cgroup); - Kernel exit() syscall; - Scatterlist API; - Memory management; - B.A.T.M.A.N. meshing protocol; - Ethernet bridge; - Ceph Core library; - IPv4 networking; - MAC80211 subsystem; - Multipath TCP; - Packet sockets; - RxRPC session sockets; - SMC sockets; - TLS protocol; - Unix domain sockets; - X.25 network layer; - AppArmor security module; (CVE-2025-71088, CVE-2025-71090, CVE-2025-71127, CVE-2025-71134, CVE-2025-71141, CVE-2025-71142, CVE-2025-71144, CVE-2025-71152, CVE-2025-71155, CVE-2026-22984, CVE-2026-23112, CVE-2026-23231, CVE-2026-23272, CVE-2026-23273, CVE-2026-23274, CVE-2026-23278, CVE-2026-23351, CVE-2026-23392, CVE-2026-23394, CVE-2026 Affected Ubuntu releases: 24.04. CVEs: CVE-2026-46325, CVE-2025-71141, CVE-2026-31478, CVE-2025-71155, CVE-2026-23392, CVE-2026-46266, CVE-2026-23112, CVE-2026-23450….
It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. (CVE-2025-54505) 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; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Rados block device (RBD) driver; - Compressed RAM block device driver; - Character device driver; - TPM device driver; - Hardware crypto device drivers; - EDAC drivers; - GPU drivers; - Greybus drivers; - HID subsystem; - Microsoft Hyper-V drivers; - Hardware monitoring drivers; - I2C subsystem; - IIO subsystem; - InfiniBand drivers; - Input Device core drivers; - LED subsystem; - Multiple devices driver; - Media drivers; - IBM Advanced System Management driver; - MTD block device drivers; - Network drivers; - Microsoft Azure Network Adapter (MANA) driver; - NTB driver; - NVME drivers; - Device tree and open firmware driver; - PCI subsystem; - Remote Processor subsystem; - SCSI subsystem; - SPI subsystem; - Realtek RTL8723BS SDIO drivers; - SM750 framebuffer staging driver; - Thermal drivers; - USB Gadget drivers; - USB over IP driver; - VFIO drivers; - Framebuffer layer; - 9P distributed file syste Affected Ubuntu releases: 26.04. CVEs: CVE-2026-46009, CVE-2026-31626, CVE-2026-31576, CVE-2026-31629, CVE-2026-46022, CVE-2026-46037, CVE-2026-31588, CVE-2026-46041….
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