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 local overlap detection logic in netfilter’s nftsetrbtree. This logic skips the initial eleme...

CLSA-2026-1779789531 Fix CVE(s): CVE-2026-9256

SECURITY UPDATE: fix heap buffer overflow in ngxhttprewritemodule with overlapping captures - debian/patches/CVE-2026-9256.patch: fix heap buffer overflow in ngxhttprewritemodule with overlapping captures - CVE-2026-9256...

CLSA-2026-1779788913 Fix CVE(s): CVE-2026-9256

SECURITY UPDATE: fix heap buffer overflow in ngxhttprewritemodule with overlapping captures - debian/patches/CVE-2026-9256.patch: fix heap buffer overflow in ngxhttprewritemodule with overlapping captures - CVE-2026-9256...

nginx: Fix of CVE-2026-9256

CVE-2026-9256: fix heap buffer overflow with overlapping captures in ngxhttprewritemodule...

FreeBSD : nginx -- heap buffer overflow in ngx_http_rewrite_module (36a3131d-5600-11f1-b339-3497f65b111b)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 36a3131d-5600-11f1-b339-3497f65b111b advisory. The nginx developers report: A heap memory buffer overflow might occur in a worker process when using a...

CLSA-2026-1779712300 Fix CVE(s): CVE-2026-9256

SECURITY UPDATE: heap buffer overflow in ngxhttprewritemodule with overlapping captures - debian/patches/CVE-2026-9256.patch: fix heap buffer overflow in ngxhttpscriptregexstartcode when a rewrite replacement string with no variables has overlapping captures, by moving the per-capture length...

CVE-2026-9256

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when a rewrite directive uses a regex pattern with distinct, overlapping Perl-Compatible Regular Expression PCRE captures for example, ^/.$ and a replacement string that references...

UBUNTU-CVE-2026-9256

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when a rewrite directive uses a regex pattern with distinct, overlapping Perl-Compatible Regular Expression PCRE captures for example, ^/.$ and a replacement string that references...

EUVD-2026-31444

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when a rewrite directive uses a regex pattern with distinct, overlapping Perl-Compatible Regular Expression PCRE captures for example, ^/.$ and a replacement string that references...

nginx -- heap buffer overflow in ngx_http_rewrite_module

The nginx developers report: A heap memory buffer overflow might occur in a worker process when using a configuration with overlapping captures in ngxhttprewritemodule, potentially resulting in arbitrary code execution CVE-2026-9256...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mmc: mmci: stm32: fixed the warning regarding overlapping mappings in the DMA API. Enabling the CONFIGDMAAPIDEBUGSG option results in the following warning: DMA-API: mmci-pl18x 48220000.mmc: cacheline tracking EEXIST; overlapping...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed overlapping copies within dmlcoremodeprogramming REASON &modelib-mp.Watermark and &locals-Watermark are the same address. Using memcpy may lead to unexpected behavior. SOLUTION memmove should be used instea...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: crypto: qat – fix DMA transfer direction When CONFIGDMAAPIDEBUG is enabled, during the execution of the crypto self-test for QAT crypto algorithms, the function adddmaentry reports a warning indicating that overlapping mapping...

Local privilege escalation in Linux Kernel (Dirty Frag)

Overview A privilege escalation vulnerability, nicknamed "Dirty Frag," has been discovered in the Linux kernel versions 4.10 and later. This vulnerability is a result of chaining together two previously discovered vulnerabilities, xfrm-ESP Page-Cache Write CVE-2026-43284 and the RxRPC Page-Cache...

SUSE CVE-2024-0450

An issue was found in the CPython zipfile module affecting versions 3.12.1, 3.11.7, 3.10.13, 3.9.18, and 3.8.18 and prior. The zipfile module is vulnerable to “quoted-overlap” zip-bombs which exploit the zip format to create a zip-bomb with a high compression ratio. The fixed versions of CPython...

CVE-2026-45028

Astro is a web framework. Astro versions prior to 6.1.10 used AES-GCM encryption to protect the confidentiality and integrity of server island props and slots parameters, but did not bind the ciphertext to its intended component or parameter type. An attacker could replay one component's encrypte...

free5GC's SMF UPI POST /upi/v1/upNodesLinks exits the SMF process on overlapping UE pools (unauthenticated, reachable Fatalf)

Summary free5GC's SMF mounts the UPI management route group without inbound OAuth2 middleware same root cause as free5gc/free5gc887. The POST /upi/v1/upNodesLinks create-or-update handler accepts attacker-controlled JSON and passes it directly into UpNodesFromConfiguration, which calls...

PT-2026-38931

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the kexec load purgatory function where image-start is derived by locating e entry within an SHF EXECINSTR section. If the purgatory object contains multiple executabl...

GHSA-FC86-6RV6-2JPM webonyx/graphql-php has quadratic validation cost in OverlappingFieldsCanBeMerged via inline fragments

Summary OverlappingFieldsCanBeMerged validation rule has On^2 x m^2 worst case via flattened inline fragments. The CVE-2023-26144 named-fragment cache does not cover inline fragments. A 364 KB query 200 outer x 100 inner inline fragments consumes 117 seconds of CPU per request, with no comparison...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013570)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013570 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: qat - fix DMA transfer direction When CONFIGDMAAPIDEBUG is selected, while running the...