CVE-2026-8461-EXP

CVE-2026-8461 "PixelSmash" — FFmpeg MagicYUV 堆 OOB 写入 PoC !WARNING 本仓库包含一个针对堆损坏漏洞的有效利用 PoC。 仅供授权的安全研究、CTF 环境和防御性分析使用。 请勿对非你拥有或未经明确书面许可的系统进行测试。 受影响: FFmpeg 8.0.1 MagicYUV 解码器 libavcodec/magicyuv.c 原语: 堆 OOB 写入 → AVBuffer.free 劫持 → system 调用 漏洞 magydecodeslice 使用 sheight（未限制的切片高度）作为写入 Cb/Cr...

cve-2026-42945-nginx32-lab

CVE-2026-42945 nginx 32位漏洞利用实验室 该仓库是一个可重现的Docker实验室，用于研究nginx 1.30.0中的CVE-2026-42945。它包含一个易受攻击的32位目标、一个原始触发器、一个实验室辅助的已知地址RCE验证器，以及一个无自省的暴力破解驱动。 漏洞利用的边界很重要： exploit/triggeroob.py 演示了堆越界写入原语。 exploit/labknownaddress.py 在Docker中验证了RCE机制，但它属于实验室辅助方式，因为它通过 docker exec 读取 /proc//maps。...

rsync: rsync: Heap Out-of-Bounds Write via crafted argument list

A flaw was found in rsync. A remote attacker could exploit an out-of-bounds write vulnerability in the readargs function by sending a specially crafted argument list. This could lead to corruption of adjacent memory, potentially causing a denial of service or, in some cases, arbitrary code...

UBUNTU-CVE-2026-89495

In the Linux kernel, the following vulnerability has been resolved: ocfs2: bound namelen in dlmmigraterequesthandler Patch series "ocfs2/dlm: bound peer-controlled lengths in the o2dlm". The o2dlm receive handlers trust u8 length and count fields from the wire without bounding them, so a node in ...

Linux Distros Unpatched Vulnerability : CVE-2026-89495

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: bound namelen in dlmmigraterequesthandler Patch series ocfs2/dlm: bound peer-controlled lengths in the o2dlm. The o2dlm receive handlers trust u8 length...

AZL-100100 CVE-2026-89495 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: bound namelen in dlmmigraterequesthandler Patch series "ocfs2/dlm: bound peer-controlled lengths in the o2dlm". The o2dlm receive handlers trust u8 length and count fields from the wire without bounding them, so a node in ...

EUVD-2026-76401

In the Linux kernel, the following vulnerability has been resolved: ocfs2: bound namelen in dlmmigraterequesthandler Patch series "ocfs2/dlm: bound peer-controlled lengths in the o2dlm". The o2dlm receive handlers trust u8 length and count fields from the wire without bounding them, so a node in ...

CVE-2026-89495

CVE-2026-89495 affects the OCFS2/DLM (o2dlm) subsystem in the Linux kernel . The migration and recovery message handlers trust peer-supplied u8 length fields (namelen, lockname_len, num_locks) without bounding them before passing them to memcpy, resulting in a heap out-of-bounds write of up to ~2...

EUVD-2026-76400

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate lengths in dlmmiglockreshandler A node receiving a DLMMIGLOCKRES message trusts several fields of the peer-supplied dlmmigratablelockres without validation. numlocks and locknamelen are bounded only on the sending...

Linux Distros Unpatched Vulnerability : CVE-2026-88053

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Tesseract is an open source OCR engine. In version 5.5.3 and earlier, Classify::ReadIntTemplates in src/classify/intproto.cpp reads NumClassPruners, NumClasses,...

CVE-2026-88053 Tesseract: Heap out-of-bounds write in Classify::ReadIntTemplates via unvalidated counts in crafted .traineddata

Tesseract is an open source OCR engine. In version 5.5.3 and earlier, Classify::ReadIntTemplates in src/classify/intproto.cpp reads NumClassPruners, NumClasses, and NumProtoSets from the TESSDATAINTTEMP component of a crafted .traineddata file and uses those values as loop bounds without validati...

CVE-2026-88051 Tesseract: Heap out-of-bounds write in GenericVector<T>::read due to independent reserved/size_used_ fields

Tesseract is an open source OCR engine. In version 5.5.3 and earlier, the callback form of GenericVector::read in src/ccutil/genericvector.h reads the independent int32 fields reserved and sizeused from a .traineddata model without a cap or an invariant check. reservereserved allocates the backin...

DEBIAN-CVE-2026-88049

Tesseract is an open source OCR engine. In version 5.5.3 and earlier, prior .traineddata hardening added bounds checks to NetworkIO::CopyTimeStepGeneral and NetworkIO::Randomize in src/lstm/networkio.cpp but left NetworkIO::WriteTimeStepPart and NetworkIO::AddTimeStepPart unchecked. In...

CVE-2026-88049

Tesseract is an open source OCR engine. In version 5.5.3 and earlier, prior .traineddata hardening added bounds checks to NetworkIO::CopyTimeStepGeneral and NetworkIO::Randomize in src/lstm/networkio.cpp but left NetworkIO::WriteTimeStepPart and NetworkIO::AddTimeStepPart unchecked. In...

EUVD-2026-75591

Tesseract is an open source OCR engine. In version 5.5.3 and earlier, FullyConnected::DeSerialize in src/lstm/fullyconnected.cpp does not validate the deserialized layer scalars ni and no against the weight-matrix dimensions. During FullyConnected::Forward, MatrixDotVector in...

CVE-2026-88048 Tesseract: Heap out-of-bounds write/read in FullyConnected::Forward via layer/weight-matrix dimension mismatch

Tesseract is an open source OCR engine. In version 5.5.3 and earlier, FullyConnected::DeSerialize in src/lstm/fullyconnected.cpp does not validate the deserialized layer scalars ni and no against the weight-matrix dimensions. During FullyConnected::Forward, MatrixDotVector in...

gstreamer: gstreamer1-plugins-bad-free: gstreamer: heap out-of-bounds write in adpcmdec IMA/DVI ADPCM decoder

A heap out-of-bounds write vulnerability was found in the GStreamer gst-plugins-bad adpcmdec element when decoding IMA/DVI ADPCM audio. Insufficient validation of the per-block sample count for multi-channel streams allows a crafted WAV file to cause writes beyond the allocated output buffer. Thi...

CVE-2026-31431

CVE-2026-31431 — 从空指针到 Root：利用 Linux 内核中的 AFALG AEAD 漏洞类型： 空指针解引用 → 堆越界写入 → 凭据覆盖 受影响子系统： net/alg/afalg.c 影响： 本地权限提升（非特权用户 → root） 受影响内核： Linux 4.4 – 4.9（补丁前） 简述 你调用 setsockopt 时传入一个 NULL 指针，而内核期望的是一个用户空间地址。内核从地址 0x00000000 读取数据——如果你已经映射了零页，你就能控制它读取的内容。这一原始原语会滚雪球式地演变为堆越界写入，让你能够覆盖自己的 cred 结构体。游戏结束。...

TencentOS Server 4: libevent (TSSA-2026:0884)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0884 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

OESA-2026-3519 perl-DBI security update

The DBI is the standard database interface module for Perl. It defines a set of methods, variables and conventions that provide a consistent database interface independent of the actual database being used. It is important to remember that the DBI is just an interface. The DBI is a layer of "glue...