CVE-2024-26160

CVE-2024-26160 cldflt.sys 情報漏えいの脆弱性 CVE-2024-26160 に関する小規模な解説です。この脆弱性は2月のパッチ（KB5034765 、Windows 11 22H2、Windows 11 23H2）に存在し、3月のパッチ（KB5035853 ）で修正されました。 分析 この脆弱性は CldiPortProcessGetRangeInfo 関数にあり、ユーザーアプリケーションから渡されたバッファサイズをチェックしていません。サイズはユーザーが制御できるため、返された情報をコピーする memmove...

cve-2024-46483

CVE-2024-46483 - Переполнение кучи до аутентификации в Xlight SFTP сервере Затронутые версии Xlight 32- и 64-битные версии = 3.9.4.2 Влияние Неаутентифицированный злоумышленник с доступом к Xlight SFTP может получить выполнение кода или вызвать отказ в обслуживании. Первопричина Строки,...

CVE-2021-21551

CVE-2021-21551 Эксплойт для проверки концепции для CVE-2021-21551, уязвимость возникает из-за того, что предоставленные пользователем адреса передаются в качестве аргументов в вызов memmove, что позволяет произвольное чтение/запись ioctls 0x9B0C1EC4 и 0x9B0C1EC8 а также параметр физического адрес...

ABL_ROP

Обновление серийного номера ABL с помощью ROP: При запуске этот блокнот загружает ABL и пытается обновить серийный номер устройства через ROP-цепочку для вызова memmove. Основано на https://github.com/eshard/pixel6-boot/blob/main/runablpublic.ipynb от eShard, следуя...

AZL-100515 CVE-2026-89542 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gsskrb5unwrapv2 against short tokens gsskrb5unwrapv2 reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSSKRB5TOKHDRLEN 16 bytes long, and its rotateleft helper pass...

CVE-2026-89542

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gsskrb5unwrapv2 against short tokens gsskrb5unwrapv2 reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSSKRB5TOKHDRLEN 16 bytes long, and its rotateleft helper pass...

EUVD-2026-76453

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gsskrb5unwrapv2 against short tokens gsskrb5unwrapv2 reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSSKRB5TOKHDRLEN 16 bytes long, and its rotateleft helper pass...

CVE-2026-89493 ocfs2: validate rl_used against rl_count in refcount block validator

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate rlused against rlcount in refcount block validator ocfs2findrefcountrecinrl walks the on-disk refcount record array with: for ; i rfrecords.rlused; i++ rec = &rb-rfrecords.rlrecsi; ... rlrecs lives in a single...

CVE-2026-89493

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate rlused against rlcount in refcount block validator ocfs2findrefcountrecinrl walks the on-disk refcount record array with: for ; i rfrecords.rlused; i++ rec = &rb-rfrecords.rlrecsi; ... rlrecs lives in a single...

PT-2026-90258

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gss krb5 unwrap v2 against short tokens gss krb5 unwrap v2 reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSS KRB5 TOK HDR LEN 16 bytes long, and its rotate left...

PT-2026-90209

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate rl used against rl count in refcount block validator ocfs2 find refcount rec in rl walks the on-disk refcount record array with: for ; i rf records.rl used; i++ rec = &rb-rf records.rl recsi; ... rl recs lives in ...

CVE-2025-62821

Microsoft HEIF Image Extensions msheifstore.dll: Недостаточное выделение буфера-источника в пути CopyPixels приводит к чтению за пределами буфера и нарушению доступа DoS При декодировании специально созданного HEIF-изображения через WIC кодек msheif выделяет исходный буфер размером 1 байт, но зат...

freebsd-CVE-2026-7270

Ref https://github.com/califio/publications/tree/main/MADBugs/freebsd-CVE-2026-7270 CVE-2026-7270 FreeBSD のexecargsadjustargs の OOB memmove によるローカル権限昇格 execargsadjustargs（sys/kern/kernexec.c、2013年から存在）の演算子優先順位のバグにより、sshd が動作しているデフォルトの FreeBSD インストールでは、任意のローカルユーザーが root に権限昇格できます。suid...

CVE-2023-52356-libtiff-analysis

CVE-2023-52356 – libtiff TIFFReadRGBATileExt 분석 개요 이 실습은 libtiff의 CVE-2023-52356을 분석하며, TIFFReadRGBATileExt가 유효한 이미지 경계를 벗어난 이미지 좌표를 수신할 때의 동작에 초점을 맞춥니다. 이 분석에는 원본 크래시 재현, AddressSanitizer 및 GDB를 사용한 디버깅, 근본 원인 분석, 업스트림 패치 검토, 원본 리프로듀서 분석, 수정 버전 검증이 포함됩니다. 테스트 환경 대상: libtiff 취약 커밋: 4d0329a4 수정 커밋...

SUSE CVE-2026-85091

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

CVE-2026-85091

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

UBUNTU-CVE-2026-85091

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

Linux Distros Unpatched Vulnerability : CVE-2026-85091

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with...

AZL-99090 CVE-2026-85091 affecting package zlib 1.3.2-1

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

AZL-99234 CVE-2026-85091 affecting package kata-containers 3.32.0.kata0-5

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...