CVE-2017-11882

CVE-2017-11882の概要 エクスプロイトの効果から見ると、Office 2003から2016までのすべてのバージョンに有効で、攻撃環境の構築も非常に簡単です。 この脆弱性は、Officeソフトウェア内の数式エディタに起因します。エディタのプロセスが名前の長さを検証しないため、バッファオーバーフローが発生し、攻撃者は特別な文字を構築することで任意のコード実行を実現できます。 例えば、ハッカーがこの脆弱性を利用してシェルバックドアを含むOfficeファイルを作成した場合、一般ユーザーがそのOfficeファイルを開くと、コンピュータがハッカーに直接制御される可能性があります。...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fix for the iteration of extrefs during log replay. When calling inodeaddref and processing extrefs, if we jump to the next label, the value of victimname.len is undefined. This occurs because victimname.len wasn’t...

CVE-2026-97621

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: analogixdp: fix unchecked bound endpoint name length rockchipdpdrmencoderenable uses sprintf to format a device tree path into a 32-byte stack buffer. Device tree paths are not limited to this size, so a sufficientl...

AZL-102660 CVE-2026-93095 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: hfsplus: validate thread record before delete key rebuild hfsplusdeletecat is called with str == NULL when the last open reference to an unlinked HFS+ hardlink backing inode is closed. In that case, the function finds the catalog...

EUVD-2026-82203

In the Linux kernel, the following vulnerability has been resolved: hfsplus: validate thread record before delete key rebuild hfsplusdeletecat is called with str == NULL when the last open reference to an unlinked HFS+ hardlink backing inode is closed. In that case, the function finds the catalog...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: afs: Fixed the maximum cell name length. The kafs filesystem limits the maximum length of a cell to 256 bytes. However, a problem arises when someone attempts to create a directory under /proc/net/afs/ with the name of a cell. Th...

Astra Linux – Vulnerability in NBD

In nbd-server in nbd before 3.24, there is an integer overflow that leads to a heap-based buffer overflow. A value of 0xffffffff in the name length field causes a zero-sized buffer to be allocated for the name, resulting in a write to a dangling pointer. This issue occurs for the NBDOPTINFO,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A slab-out-of-bounds issue was fixed in smbstrndupfromutf16. If the -NameOffset of smb2createreq is smaller than the Buffer offset of smb2createreq, a slab-out-of-bounds read may occur from smb2open. This patch sets the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: clk: zynqmp: Fixed a stack-out-of-bounds issue in strncpy. “BUG: KASAN: Stack-out-of-bounds in strncpy+0x30/0x68” The Linux-ATF interface uses 16 bytes of SMC payload. If the clock name is longer than 15 bytes, the string...

Astra Linux – Vulnerability in gst-plugins-good1.0

GStreamer is a library for constructing graphs of media-handling components. A OOB-read vulnerability has been identified in the gstavisubtitleparsegab2chunk function within gstavisubtitle.c. This function reads the namelength value directly from the input file without properly checking it. As a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Check the attribute length for the bearer name. syzbot reported uninit-value issues: ===================================================== BUG: KMSAN: uninit-value in stringnocheck lib/vsprintf.c:644 inline BUG: KMSAN:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added a sanity check for the file name. The length of the file name should be smaller than the directory entry size...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in the Linux kernel before version 6.3.4. ksmbd has a buffer overflow vulnerability in the smb2findcontextvals function, when the namelen of createcontext is larger than the length of the tag...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed an out-of-band issue in ntfslistxattr. The length of a name cannot exceed the space occupied by “ea”...

CVE-2026-68343 smb: client: validate DFS referral PathConsumed

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate DFS referral PathConsumed parsedfsreferrals validates that the response contains the fixed referral entry array and, on for-next, the per-referral string offsets. However, the response also contains a...

EulerOS 2.0 SP11 : python-idna (EulerOS-SA-2026-3144)

According to the versions of the python-idna package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and...

EulerOS 2.0 SP13 : python-idna (EulerOS-SA-2026-2989)

According to the versions of the python-idna package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and...

CVE-2026-71267 microtar Stack Buffer Overflow in mtar_write_file_header() and mtar_write_dir_header()

microtar's mtarwritefileheader and mtarwritedirheader functions src/microtar.c copy a caller-supplied entry name into the 100-byte field of a stack-allocated mtarheadert via strcpyh.name, name, with no check that strlenname is less than 100 before the copy...

UBUNTU-CVE-2026-45538

OpenSIPS is a Session Initiation Protocol SIP server implementation. In versions 4.0.0 and prior, processing a SIP message with a header name longer than 255 bytes causes a stack buffer overflow when siptojson is called in the routing script. Function siptojson modules/sipmsgops/sipmsgops.c copie...

CVE-2026-45538

OpenSIPS is a Session Initiation Protocol SIP server implementation. In versions 4.0.0 and prior, processing a SIP message with a header name longer than 255 bytes causes a stack buffer overflow when siptojson is called in the routing script. Function siptojson modules/sipmsgops/sipmsgops.c copie...