ruby: double free issue in regular expression parser

A flaw was found in Ruby. When compiling a specially crafted regular expression with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, a double free can occur when parsing a pattern that fails after an alternation. This double free causes memory...

ruby: integer overflow issue in regular expression compiler

A flaw was found in Ruby. When compiling a specially crafted regular expression with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, an integer overflow in the size of the compiled pattern can occur. This integer overflow causes memory...

Moderate: Red Hat Security Advisory: ruby security, bug fix, and enhancement update

An update for ruby is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

ruby: integer overflow issue in regular expression compiler

A flaw was found in Ruby. When compiling a specially crafted regular expression containing an excessive number of repeats with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, an integer overflow of internal IDs can occur. This integer overflow...

ruby: integer overflow issue in CI/CD regular expression compiler

A flaw was found in Ruby. When compiling a specially crafted regular expression with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, an integer overflow in the size of the compiled pattern can occur. This integer overflow causes memory...

undici: undici: Denial of Service via unrequested WebSocket subprotocol

A flaw was found in undici. A remote attacker can exploit this vulnerability by responding with an unrequested WebSocket subprotocol during the opening handshake. This causes the undici WebSocket client to crash the entire Node.js process, leading to a denial of service DoS...

minimatch: minimatch: Denial of Service via crafted glob pattern expansion

A flaw was found in minimatch. A remote attacker could exploit this vulnerability to cause a Denial of Service DoS through excessive CPU and memory consumption. By supplying a specially crafted glob expression, an attacker can trigger repetitive pattern segment expansion during compilation at...

sqlite: sqlite: Arbitrary code execution via corrupted FTS5 index

A flaw was found in SQLite. When the Full Text Search FTS5 extension is enabled and secure-delete mode is active, processing a database containing a corrupted search index triggers a heap-based buffer overflow. An attacker who tricks an application or user into opening a crafted database file can...

undici: undici: Denial of Service via TLS renegotiation with mismatched certificate

A flaw was found in undici. A remote server can cause a Denial of Service DoS by initiating a Transport Layer Security TLS renegotiation and presenting a certificate with a mismatched hostname. Because the client application fails to properly handle the resulting verification error, an uncaught...

undici: undici: Certificate validation bypass via dropped TLS options in Agent

A flaw was found in undici. This vulnerability may allow a remote attacker to intercept or modify encrypted communications by bypassing custom certificate validation. The issue occurs because the Agent dispatcher discards caller-supplied Transport Layer Security TLS verification functions during...

undici: undici: Denial of Service via unhandled stream error on excessive content encodings

A flaw was found in undici. When an application sends a request to a malicious remote server, the server can return a response with excessive content encodings and immediately close the connection. Because the underlying response stream is left unhandled, this abrupt closure triggers an unhandled...

sqlite: sqlite: Denial of service via heap-based buffer overflow in FTS5

A flaw was found in SQLite. A heap-based buffer overflow exists in the Full-Text Search 5 FTS5 extension during the merging of prefix document lists. An attacker capable of inserting negative row identifiers into a configured table and executing a prefix search query can cause data to be written...

sqlite: sqlite: Arbitrary code execution via crafted session changesets

A flaw was found in SQLite's session extension. A local attacker can supply a specially crafted changeset containing inconsistent table definitions, causing the application to write data past allocated memory boundaries. This heap-based buffer overflow results in memory corruption, potentially...

brace-expansion: brace-expansion: Denial of Service via stack exhaustion from crafted brace patterns

A flaw was found in brace-expansion. A remote attacker can provide specially crafted brace patterns with excessive nested groups or large arrays to trigger uncontrolled recursion during parsing. This behavior exhausts the native call stack and crashes the application process, leading to a Denial ...

brace-expansion: brace-expansion: Denial of Service via uncontrolled recursion in nested brace patterns

A flaw was found in brace-expansion. A remote attacker can cause a Denial of Service DoS by supplying untrusted input containing deeply nested brace patterns. Due to uncontrolled recursion during pattern processing, expanding these nested structures exhausts the call stack and causes the...

Important: Red Hat Security Advisory: nodejs:24 security update

An update for the nodejs:24 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: dnsmasq security, bug fix, and enhancement update

An update for dnsmasq is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

dnsmasq: RRSIG rdlen underflow leading to heap OOB read

A heap out-of-bounds read vulnerability was discovered in dnsmasq's DNSSEC validation. When processing RRSIG records, dnsmasq calculates the signature length by subtracting the fixed field size from the record's declared data length. A crafted RRSIG record with a data length smaller than the fixe...

dnsmasq: DHCPv6 CLID buffer overflow in helper process

A heap buffer overflow was discovered in dnsmasq's DHCP script helper process. When processing DHCPv6 client identifiers CLIDs, the helper hex-encodes the raw CLID bytes into a fixed-size buffer without length validation. Since DHCPv6 CLIDs can be up to 65,535 bytes, a crafted DHCPv6 packet can...

dnsmasq: Broken ECS source validation bypass

A validation bypass was discovered in dnsmasq's RFC 7871 client subnet ECS handling. When verifying ECS source information in DNS responses, dnsmasq passes the OPT record length instead of the full packet length to the validation function.This causes all internal bounds checks to fail, completely...

dnsmasq: NSEC bitmap parsing infinite loop

A denial of service vulnerability was discovered in dnsmasq's DNSSEC validation. When parsing NSEC and NSEC3 bitmap records, the window iteration logic fails to account for the 2-byte window header when advancing through the bitmap data. A specially crafted DNS response with a zero-length bitmap...

dnsmasq: dnsmasq: heap buffer overflow in cache via NAME_ESCAPE expansion

A heap buffer overflow was discovered in dnsmasq's DNS cache. When processing DNS responses, dnsmasq expands certain characters into longer escape sequences, but the cache buffer is not sized to hold the expanded result. A specially crafted DNS response can overflow this buffer, potentially...

Important: Red Hat Security Advisory: nodejs-nodemon security update

An update for nodejs-nodemon is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

brace-expansion: brace-expansion: Denial of Service via stack exhaustion from crafted brace patterns

A flaw was found in brace-expansion. A remote attacker can provide specially crafted brace patterns with excessive nested groups or large arrays to trigger uncontrolled recursion during parsing. This behavior exhausts the native call stack and crashes the application process, leading to a Denial ...

brace-expansion: brace-expansion: Denial of Service via uncontrolled recursion in nested brace patterns

A flaw was found in brace-expansion. A remote attacker can cause a Denial of Service DoS by supplying untrusted input containing deeply nested brace patterns. Due to uncontrolled recursion during pattern processing, expanding these nested structures exhausts the call stack and causes the...

Critical: Red Hat Security Advisory: edk2 security update

An update for edk2 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

edk2: Pre-boot RCE in EDK II PXE driver

A flaw was found in EDK2. Due to improper buffer size calculations in the firmware, an unauthenticated remote attacker can trigger a buffer overflow. Successful exploitation can lead to arbitrary code execution or cause a denial of service DoS...

openssl: invalid pointer dereference in CMP server via crafted protectionAlg

A flaw was found in OpenSSL. A crafted CMP Certificate Management Protocol message can cause an invalid pointer dereference due to a missing type check in the password-based protection verification. A remote, unauthenticated attacker can crash applications acting as a CMP server or client,...

Important: Red Hat Security Advisory: openssl security update

An update for openssl is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

openssl: heap buffer overflow in CMS key unwrapping

A flaw was found in OpenSSL. A crafted CMS Cryptographic Message Syntax message can cause an 8-byte out-of-bounds heap write when it is decrypted with CMSdecrypt. This issue occurs because the CMS decryption process incorrectly sizes the key-unwrap output buffer when using the AES-WRAP-PAD unwrap...

openssl: compat-openssl: openssl: Information disclosure via DTLS handshake retransmission

A flaw was found in OpenSSL. The Datagram Transport Layer Security DTLS retransmission mechanism fails to properly handle handshake message writes that are suspended before completion. A remote attacker could exploit this vulnerability during handshake message retransmission, causing OpenSSL to...

tesseract: Tesseract: Heap out-of-bounds write/read leading to information disclosure via crafted data

A flaw was found in Tesseract. The FullyConnected::DeSerialize function does not properly validate the dimensions of deserialized layers against the weight-matrix dimensions. This vulnerability allows a remote attacker to provide a specially crafted .traineddata file, leading to a heap...

tesseract: Tesseract: Heap out-of-bounds write allows arbitrary code execution or denial of service

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. A remote attacker could exploit a heap out-of-bounds write vulnerability in the LSTM::Forward function by providing a specially crafted input. This could lead to heap corruption, application crashes, or...

Important: Red Hat Security Advisory: tesseract security update

An update for tesseract is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

tesseract: Tesseract: Stack buffer overflow via crafted .traineddata file

A flaw was found in Tesseract. This vulnerability, a stack buffer overflow, occurs when the OCR engine processes a specially crafted .traineddata file. An attacker can exploit this by providing a malformed input, leading to stack corruption, a denial of service DoS, and potentially allowing for...

tesseract: Tesseract: Heap out-of-bounds write via crafted .traineddata model

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. A heap out-of-bounds write vulnerability exists in the GenericVector::read function when processing a specially crafted .traineddata model. By manipulating the reserved and sizeused fields, a local attacker ca...

tesseract: Tesseract: Heap out-of-bounds write can lead to arbitrary code execution

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. The UNICHARSET::loadviafgets function incorrectly trusts a declared character count, which can lead to an out-of-bounds write in memory. A remote attacker could exploit this vulnerability by providing a...

tesseract: Tesseract: Heap out-of-bounds write leads to heap corruption via crafted data file

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. A local attacker could provide a specially crafted .traineddata file, which, when processed, could lead to a heap out-of-bounds write. This vulnerability occurs due to unvalidated counts used as loop bounds...

tesseract: Tesseract: Heap out-of-bounds write can lead to arbitrary code execution

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. The UNICHARSET::loadviafgets function incorrectly trusts a declared character count, which can lead to an out-of-bounds write in memory. A remote attacker could exploit this vulnerability by providing a...

tesseract: Tesseract: Heap out-of-bounds write via crafted .traineddata model

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. A heap out-of-bounds write vulnerability exists in the GenericVector::read function when processing a specially crafted .traineddata model. By manipulating the reserved and sizeused fields, a local attacker ca...

Important: Red Hat Security Advisory: tesseract security update

An update for tesseract is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

tesseract: Tesseract: Stack buffer overflow via crafted .traineddata file

A flaw was found in Tesseract. This vulnerability, a stack buffer overflow, occurs when the OCR engine processes a specially crafted .traineddata file. An attacker can exploit this by providing a malformed input, leading to stack corruption, a denial of service DoS, and potentially allowing for...

tesseract: Tesseract: Heap out-of-bounds write/read leading to information disclosure via crafted data

A flaw was found in Tesseract. The FullyConnected::DeSerialize function does not properly validate the dimensions of deserialized layers against the weight-matrix dimensions. This vulnerability allows a remote attacker to provide a specially crafted .traineddata file, leading to a heap...

tesseract: Tesseract: Heap out-of-bounds write allows arbitrary code execution or denial of service

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. A remote attacker could exploit a heap out-of-bounds write vulnerability in the LSTM::Forward function by providing a specially crafted input. This could lead to heap corruption, application crashes, or...

tesseract: Tesseract: Heap out-of-bounds write leads to heap corruption via crafted data file

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. A local attacker could provide a specially crafted .traineddata file, which, when processed, could lead to a heap out-of-bounds write. This vulnerability occurs due to unvalidated counts used as loop bounds...

ruby: integer overflow issue in CI/CD regular expression compiler

A flaw was found in Ruby. When compiling a specially crafted regular expression with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, an integer overflow in the size of the compiled pattern can occur. This integer overflow causes memory...

ruby: integer overflow issue in regular expression compiler

A flaw was found in Ruby. When compiling a specially crafted regular expression containing an excessive number of repeats with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, an integer overflow of internal IDs can occur. This integer overflow...

Moderate: Red Hat Security Advisory: ruby4.0 security, bug fix, and enhancement update

An update for ruby4.0 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

ruby: integer overflow issue in regular expression compiler

A flaw was found in Ruby. When compiling a specially crafted regular expression with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, an integer overflow in the size of the compiled pattern can occur. This integer overflow causes memory...

Important: Red Hat Security Advisory: util-linux security update

An update for util-linux is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...