FreeBSD Security Advisory - FreeBSD-SA-26:18.setcred

FreeBSD Security Advisory - The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the...

NLnet Labs Unbound 缓冲区错误漏洞

NLnet Labs Unbound is a high-performance DNS resolver open-sourced by NLnet Labs. In versions 1.6.2 to 1.25.0 of NLnet Labs Unbound, there is a buffer error vulnerability. This vulnerability stems from a potential stack overflow during the DNSCrypt packet reading process. Malicious attackers can...

PT-2026-42398

Name of the Vulnerable Software and Affected Versions FreeBSD versions 14.x Description A stack buffer overflow exists in the setcred2 system call. The issue occurs because a user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer before the privilege level of t...

FreeBSD -- Stack buffer overflow via setcred(2)

Problem Description: The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied li...

FreeBSD-SA-26:18.setcred

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:18.setcred Security Advisory The FreeBSD Project Topic: Stack buffer overflow via setcred2 Category: core Module: setcred Announced: 2026-05-20 Credits: Ryan...

FreeBSD-SA-26:22.libcasper

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:22.libcasper Security Advisory The FreeBSD Project Topic: select2 file descriptor set overflow causes stack overflow Category: core Module: libcasper...

PT-2026-42272

Name of the Vulnerable Software and Affected Versions libsolv affected versions not specified Description A stack-based buffer overflow occurs in the Debian metadata parser of libsolv when processing specially crafted Debian repository metadata. An attacker can trigger this by providing malicious...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

Uncontrolled Recursion

Overview sqlfluff is a The SQL Linter for Humans Affected versions of this package are vulnerable to Uncontrolled Recursion through the ParseContext and parser recursion in the SQL parser components. An attacker can exhaust parser stack depth and force repeated parse failures by supplying deeply...

Uncontrolled Recursion

Overview sqlfluffrs is a The SQL Linter for Humans Affected versions of this package are vulnerable to Uncontrolled Recursion through the ParseContext and parser recursion in the SQL parser components. An attacker can exhaust parser stack depth and force repeated parse failures by supplying deepl...

cpython: Stack overflow parsing XML with deeply nested DTD content models

A stack overflow flaw has been discovered in the python pyexpat module. When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs. This will result in a program crash...

cpython: Stack overflow parsing XML with deeply nested DTD content models

A stack overflow flaw has been discovered in the python pyexpat module. When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs. This will result in a program crash...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

EUVD-2026-30039

protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion...

GHSA-JGGG-4JG4-V7C6 protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion

Summary protobufjs could recurse without a depth limit while expanding nested JSON descriptors through Root.fromJSON and Namespace.addJSON. A crafted JSON descriptor with deeply nested namespace definitions could cause the JavaScript call stack to be exhausted during descriptor loading. Impact An...

cpython: Stack overflow parsing XML with deeply nested DTD content models

A stack overflow flaw has been discovered in the python pyexpat module. When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs. This will result in a program crash...

kernel: bpf: Do not include stack ptr register in precision backtracking bookkeeping

In the Linux kernel, the following vulnerability has been resolved: bpf: Do not include stack ptr register in precision backtracking bookkeeping Yi Lai reported an issue 1 where the following warning appears in kernel dmesg: 60.643604 verifier backtracking bug 60.643635 WARNING: CPU: 10 PID: 2315...

CLSA-2026-1779193855 ImageMagick: Fix of CVE-2026-42050

CVE-2026-42050: fix stack buffer overflow in XTileImage when loading malicious MIFF in display tool...

CVE-2026-8258

A flaw was found in Squirrel. A local attacker can exploit a vulnerability in the validateformat function, which processes string formats, by providing specially crafted input. This manipulation can cause a stack-based buffer overflow, potentially leading to a denial of service or the execution o...

CLSA-2026-1779190223 opensc: Fix of 5 CVEs

CVE-2023-5992: implement constant-time PKCS1 v1.5 depadding to prevent Bleichenbacher/Marvin-style timing attacks - CVE-2025-49010: fix stack buffer overflow write in iso7816 GET RESPONSE - CVE-2025-66037: fix out-of-bounds heap read in scpkcs15pubkeyfromspkifields - CVE-2025-66038: fix buffer...