Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the use of GFP-Kernel in vmmap Ram. This vulnerability may cause swap I/O to be triggered during...

PT-2026-34370

In the Linux kernel, the following vulnerability has been resolved: writeback: don't block sync for filesystems with no data integrity guarantees Add a SB I NO DATA INTEGRITY superblock flag for filesystems that cannot guarantee data persistence on sync eg fuse. For superblocks with this flag set...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013158)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013158 advisory. In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by vmaping with VMIOREMAP An oops can be induced by running 'cat...

pypdf: Manipulated FlateDecode image dimensions can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing an image using /FlateDecode with large size values. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot upgrade yet, consider applying the changes fro...

GHSA-X284-J5P8-9C5P pypdf: Manipulated FlateDecode image dimensions can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing an image using /FlateDecode with large size values. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot upgrade yet, consider applying the changes fro...

pypdf: Manipulated FlateDecode predictor parameters can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing a stream compressed using /FlateDecode with a /Predictor unequal 1 and large predictor parameters. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot...

PT-2026-34565

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.10.2 Description A flaw in the pure-python PDF library allows an attacker to craft a PDF that leads to RAM exhaustion. This occurs when accessing a stream compressed using '/FlateDecode' with a /Predictor unequal to 1...

PT-2026-34567

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.10.2 Description A flaw in the pypdf library allows an attacker to craft a PDF file that causes RAM exhaustion, leading to a denial of service. This occurs when accessing an image using the /FlateDecode filter with...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006733)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006733 advisory. In the Linux kernel, the following vulnerability has been resolved: ARM: tegra: Use I/O memcpy to write to IRAM Kasan crashes the kernel trying to check boundaries...

CVE-2026-23352

In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005471)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005471 advisory. In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Check start of empty przs during init After commit 30696378f68a pstore/ram: Do not...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005665)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005665 advisory. In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Check start of empty przs during init After commit 30696378f68a pstore/ram: Do not...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005669)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005669 advisory. In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Check start of empty przs during init After commit 30696378f68a pstore/ram: Do not...

Linux Distros Unpatched Vulnerability : CVE-2026-27888

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being...

Denial Of Service (DoS)

pypdf is vulnerable to Denial Of Service DoS. The vulnerability is due to manipulated FlateDecode XFA streams, where an attacker can craft a PDF that leads to RAM exhaustion by accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

EUVD-2026-8791

pypdf: Manipulated FlateDecode XFA streams can exhaust RAM...

GHSA-X7HP-R3QG-R3CJ pypdf: Manipulated FlateDecode XFA streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode. Patches This has been fixed in pypdf==6.7.3. Workarounds If...

DEBIAN-CVE-2026-27888

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

UBUNTU-CVE-2026-27888

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

CVE-2026-27888 pypdf: Manipulated FlateDecode XFA streams can exhaust RAM

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...