131545 matches found
openssl: CMS AuthEnvelopedData Processing May Accept Forged Messages
A flaw was found in OpenSSL's Cryptographic Message Services CMS AuthEnvelopedData processing. An on-path attacker can exploit insufficient input validation on cipher and tag length fields by sending specially crafted CMS messages. This can lead to the forging of messages or bypassing integrity...
openssl: Incorrect Tag Processing for Empty Messages in AES-GCM-SIV and AES-SIV modes
A flaw was found in OpenSSL. The implementations of AES-SIV Advanced Encryption Standard - SIV and AES-GCM-SIV Advanced Encryption Standard - Galois/Counter Mode - SIV incorrectly process authentication tags for empty messages. This vulnerability allows a remote attacker to forge empty messages...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: ruby3.3: ruby3.3-3.3.10-23.6.hum1 aarch64, x8664 ruby3.3-bundled-gems-3.3.10-23.6.hum1 aarch64, x8664 ruby3.3-default-gems-3.3.10-23.6.hum1 noarch ruby3.3-devel-3.3.10-23.6.hum1 aarch64, x8664...
openssl: OpenSSL: Denial of Service due to heap out-of-bounds read in CMS password-based decryption
A flaw was found in OpenSSL. When processing attacker-supplied Cryptographic Message Syntax CMS data using password-based decryption, an attacker can choose a stream-mode Key Encryption Key KEK cipher. This can trigger a heap out-of-bounds read, potentially causing an application crash and leadin...
openssl: OpenSSL: Heap buffer over-read in ASN.1 decoding can lead to denial of service or information disclosure.
A flaw was found in OpenSSL. An integer truncation vulnerability in the ASN.1 decoder can occur when processing a crafted DER-encoded ASN.1 structure with a primitive element exceeding 2 gigabytes. A remote attacker could exploit this to cause a heap buffer over-read. This may lead to an...
openssl: PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys
A flaw was found in OpenSSL. This vulnerability allows a remote attacker to forge PKCS12 Public-Key Cryptography Standards 12 files that use Password-Based Message Authentication Code 1 PBMAC1 with short HMAC Hash-based Message Authentication Code keys. This can lead to a service accepting...
openssl: CMS AuthEnvelopedData Processing May Accept Forged Messages
A flaw was found in OpenSSL's Cryptographic Message Services CMS AuthEnvelopedData processing. An on-path attacker can exploit insufficient input validation on cipher and tag length fields by sending specially crafted CMS messages. This can lead to the forging of messages or bypassing integrity...
openssl: NULL Dereference in Certificate Verification with OCSP Checking
A flaw was found in OpenSSL. When an application is configured with specific non-default settings for certificate verification, including both Online Certificate Status Protocol OCSP response checking and partial chain verification, a NULL dereference can occur. This vulnerability can be triggere...
openssl: Possible NULL Dereference in Password-Based CMS Decryption
A flaw was found in OpenSSL. A remote attacker could exploit a NULL pointer dereference vulnerability in the Cryptographic Message Syntax CMS decryption process by providing a specially crafted password-encrypted CMS message. This occurs because the keyDerivationAlgorithm field, which is optional...
openssl: Trust-Anchor Substitution via cert/issuer Typo in CMP rootCaKeyUpdate
A flaw was found in the Certificate Management Protocol CMP implementation within OpenSSL. An attacker with existing Registration Authority RA level credentials could exploit an error in the certificate verification process during a Root Certificate Authority CA key update. This vulnerability...
openssl: AES-OCB IV Ignored on EVP_Cipher() Path
A flaw was found in OpenSSL. Applications that use the AES-OCB encryption method with a specific one-shot interface EVPCipher will have their provided Initialization Vector IV silently discarded. This leads to the same internal cryptographic value being used repeatedly, which compromises the...
openssl: openssl: AEAD forgeries possible with empty ciphertext in EVP_Cipher()
A flaw in OpenSSL causes EVPCipher to skip AEAD tag verification for ChaCha20-Poly1305 and AES-OCB ciphers when decrypting empty ciphertexts. This allows remote attackers to submit forged messages that affected applications incorrectly accept as valid...
resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses
A flaw was found in the resolv gem. An attacker controlling DNS responses e.g., a spoofed response or a malicious upstream DNS server can exploit this by sending crafted DNS responses containing many distinct unknown DNS resource record pairs or SvcParamKeys. This leads to uncontrolled memory...
openssl: Unbounded Memory Growth in the QUIC PATH_CHALLENGE Handler
A flaw was found in OpenSSL's QUIC PATHCHALLENGE handler. A remote attacker can exploit this vulnerability by flooding a QUIC client or server with specially crafted PATHCHALLENGE frames. This leads to unbounded memory allocation within the local QUIC stack, as the system continuously allocates...
openssl: NULL pointer dereference in QUIC server initial packet handling
A flaw was found in the OpenSSL QUIC Quick UDP Internet Connections server. A remote attacker could send a specially crafted QUIC initial packet with an invalid token. If the server's address validation is explicitly disabled, this could lead to a NULL pointer dereference, causing the server...
openssl: NULL Pointer Dereference in CRMF EncryptedValue Decryption
A flaw was found in OpenSSL. An attacker controlling a Certificate Management Protocol CMP server, or acting as a man-in-the-middle, could craft a malicious CMP response. This response, containing a Certificate Request Message Format CRMF CertRepMessage with a specific malformed EncryptedValue...
openssl: OpenSSL: Heap buffer overflow due to signed integer overflow in Unicode output sizing
A flaw was found in OpenSSL. A signed integer overflow vulnerability exists when sizing the destination buffer for Unicode output. This can lead to a heap buffer overflow, which may result in a crash or potentially allow an attacker to execute arbitrary code. Exploitation requires an application ...
openssl: Double-free When Checking OCSP Stapled Response
A flaw was found in OpenSSL. A malicious server can exploit the TLS Online Certificate Status Protocol OCSP stapling feature by sending a specially crafted response. This can trigger a double-free vulnerability in the client's certificate verification process, potentially leading to a Denial of...
openssl: Multi-RecipientInfo Bleichenbacher Oracle in CMS_decrypt() and PKCS7_decrypt()
A flaw was found in OpenSSL's CMSdecrypt and PKCS7decrypt functions. This vulnerability, a Bleichenbacher-style oracle, could allow a remote attacker to decrypt or sign messages using the victim's private RSA key. Exploitation requires the attacker to provide specially crafted CMS or S/MIME...
openssl: FFC-DH Peer Validation Uses Attacker-Supplied q
A flaw was found in OpenSSL. A malicious peer can exploit this vulnerability by presenting a specially crafted DHX X9.42 peer key. Due to improper validation of the peer key's subgroup membership, an attacker can recover the victim's private key after a small number of key exchange attempts. This...
openssl: Possible Out of Bounds Read in X509_VERIFY_PARAM_set1_email()
A flaw was found in OpenSSL. When an application uses the X509VERIFYPARAMset1email function to validate a specially crafted S/MIME Secure/Multipurpose Internet Mail Extensions email address, an out-of-bounds read can occur. A remote attacker could exploit this vulnerability by sending a malicious...
openssl: Heap Use-After-Free in OpenSSL PKCS7_verify()
A flaw was found in OpenSSL. When processing a specially crafted PKCS7 or S/MIME Secure/Multipurpose Internet Mail Extensions signed message, a heap use-after-free vulnerability in the PKCS7verify function can be triggered. This occurs if the SignedData digestAlgorithms field is present as an emp...
resolv: Resolv gem: DNS allowlist and egress bypass, and cache poisoning via crafted hostnames
A flaw was found in the resolv gem. This vulnerability arises from the incorrect handling of DNS label lengths during message encoding. A remote attacker could exploit this by providing a specially crafted hostname to an application utilizing the resolv gem. This could lead to the bypass of...
Important: Red Hat Security Advisory: kernel security update
An update for kernel is now available for Red Hat Enterprise Linux 9.2 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...
kernel: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()
A flaw was found in the Linux kernel's IPv4 networking component. The ipv4sysctlexitnet function prematurely frees the net-ipv4.sysctllocalreservedports memory. This can lead to a use-after-free vulnerability, where other threads might attempt to access deallocated memory. Such an issue can resul...
kernel: net: bridge: stop fast-leave after deleting a port group
A flaw was found in the Linux kernel's network bridge module. When handling multicast fast-leave, a vulnerability exists where the system may attempt to access a port group after it has been deleted. This can occur if multicast-to-unicast was previously enabled and then disabled, leading to a sta...
Important: Red Hat Security Advisory: gegl security update
An update for gegl 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 from the...
gimp: gegl: GIMP: Remote code execution via integer overflow in HDR file parsing
A flaw was found in GIMP, specifically within the parsing of High Dynamic Range HDR files. This integer overflow vulnerability occurs due to insufficient validation of user-supplied data before memory allocation. A remote attacker could exploit this by convincing a user to open a specially crafte...
qs: qs: Denial of Service via array limit bypass in query string parsing
A flaw was found in qs. An unauthenticated attacker can exploit this by sending a specially crafted query string to an application using qs.parse with specific non-default settings comma: true and throwOnLimitExceeded: true. This bypasses a configured array limit, causing the parser to allocate a...
qs: qs: Denial of Service via improper validation in stringify function
A flaw was found in qs. The qs.stringify function, responsible for serializing objects, does not properly validate the isBuffer property of an object's constructor before attempting to invoke it. An unauthenticated attacker can provide specially crafted input that, when processed and then...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: grafana13.1: grafana13.1-13.1.3-0.4.hum1 aarch64, x8664 grafana13.1-13.1.3-0.4.hum1.src src Security Fixes: grafana13.1: CVE-2026-82417 CVE-2026-82562...
kernel: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()
A flaw was found in the Linux kernel's IPv4 networking component. The ipv4sysctlexitnet function prematurely frees the net-ipv4.sysctllocalreservedports memory. This can lead to a use-after-free vulnerability, where other threads might attempt to access deallocated memory. Such an issue can resul...
Important: Red Hat Security Advisory: kernel-rt security update
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 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...
kernel: net: bridge: stop fast-leave after deleting a port group
A flaw was found in the Linux kernel's network bridge module. When handling multicast fast-leave, a vulnerability exists where the system may attempt to access a port group after it has been deleted. This can occur if multicast-to-unicast was previously enabled and then disabled, leading to a sta...
github.com/mark3labs/mcp-go: mcp-go: DNS Rebinding vulnerability due to missing Host header validation
A flaw was found in mcp-go. This component failed to validate the Host header in HTTP requests, specifically within its StreamableHTTPServer and SSEServer transports. A remote attacker could exploit this by using a crafted web page to perform a DNS rebinding attack. This allows the attacker to...
Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: tempo3.0: tempo3.0-3.0.3-0.2.hum1 aarch64, x8664 tempo3.0-3.0.3-0.2.hum1.src src Security Fixes: tempo3.0: CVE-2026-81092...
grafana: tempo: loki: Tempo and Loki Datasource Plugins: Information disclosure and unauthorized actions via path traversal
A flaw was found in the Tempo and Loki datasource plugins. A remote attacker with a Viewer role could exploit a path traversal vulnerability by manipulating user-supplied input in URL paths. This could allow the attacker to capture sensitive administrator-configured datasource credentials, invoke...
Important: Red Hat Security Advisory: gegl04 security update
An update for gegl04 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 from th...
gimp: gegl: GIMP: Remote code execution via integer overflow in HDR file parsing
A flaw was found in GIMP, specifically within the parsing of High Dynamic Range HDR files. This integer overflow vulnerability occurs due to insufficient validation of user-supplied data before memory allocation. A remote attacker could exploit this by convincing a user to open a specially crafte...
inets: inets: Denial of Service via unenforced connection limit
A flaw was found in inets. An unauthenticated remote attacker can exploit a resource allocation vulnerability in the Erlang/OTP inets httpd component. This flaw allows the attacker to cause a denial of service by opening and holding open a large number of connections. The server fails to enforce...
inets: otp: inets httpd mod_auth: Authentication Bypass via Directory Namespace Collapse
A flaw was found in the modauth module of OTP's inets httpd server. When configured with multiple directory configuration blocks and using dets or mnesia authentication backends, the module incorrectly collapses all directory blocks into a single shared user/group namespace. This allows a user...
eldap: eldap: Denial of Service via long LDAP referral URL port
A flaw was found in eldap, a component of Erlang/OTP. A malicious or compromised Lightweight Directory Access Protocol LDAP server could exploit this vulnerability by returning a referral Uniform Resource Locator URL with an excessively long port number. This unbounded port component is then...
inets: Erlang/OTP inets httpd: Directory protection bypass allows information disclosure
A flaw was found in Erlang/OTP inets httpd. A remote unauthenticated attacker can exploit a path equivalence vulnerability to bypass directory protection. By adding an extra slash to the request path, the attacker can read files within a modauth protected directory. This occurs because the server...
OTP: inets: inets: HTTP Request Smuggling allows bypassing security controls
A flaw was found in the inets httpd server, part of Erlang/OTP. The server incorrectly processes HTTP requests that contain both Transfer-Encoding: chunked and Content-Length headers, failing to reject them or close the connection as required by RFC 9112 §6.1. When inets is deployed behind a...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: erlang27: erlang27-27.3.4.17-0.1.hum1 aarch64, x8664 erlang27-asn1-27.3.4.17-0.1.hum1 aarch64, x8664 erlang27-commontest-27.3.4.17-0.1.hum1 aarch64, x8664 erlang27-compiler-27.3.4.17-0.1.hum1...
inets: httpd: otp: inets httpd: Denial of Service due to memory exhaustion via unenforced body-size limit
A flaw was found in the inets application HTTP server httpd. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted chunked request that fails to enforce a configured body-size limit. This can lead to memory exhaustion, causing a Denial of Service DoS on...
otp: inets: Erlang/OTP inets httpd: Denial of Service via malformed chunked HTTP request
A flaw was found in Erlang/OTP inets httpd. An unauthenticated remote attacker can exploit this vulnerability by sending a malformed chunked HTTP request. Specifically, if the chunk-size line is not a hexadecimal number and arrives separately from the headers, the server worker handling the reque...
github.com/mark3labs/mcp-go: mcp-go: DNS Rebinding vulnerability due to missing Host header validation
A flaw was found in mcp-go. This component failed to validate the Host header in HTTP requests, specifically within its StreamableHTTPServer and SSEServer transports. A remote attacker could exploit this by using a crafted web page to perform a DNS rebinding attack. This allows the attacker to...
grafana: tempo: loki: Tempo and Loki Datasource Plugins: Information disclosure and unauthorized actions via path traversal
A flaw was found in the Tempo and Loki datasource plugins. A remote attacker with a Viewer role could exploit a path traversal vulnerability by manipulating user-supplied input in URL paths. This could allow the attacker to capture sensitive administrator-configured datasource credentials, invoke...
Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: tempo2.10: tempo2.10-2.10.8-0.2.hum1 aarch64, x8664 tempo2.10-2.10.8-0.2.hum1.src src Security Fixes: tempo2.10: CVE-2026-81092...