131535 matches found
mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header
A flaw was found in the Golang MIME Multipurpose Internet Mail Extensions package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service...
crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages
A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...
crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application
A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...
Important: Red Hat Security Advisory: go-fdo-client security update
An update for go-fdo-client 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 vulnerability...
encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal
A flaw was found in the encoding/asn1 package in Go. An attacker could provide a specially crafted, deeply-nested Abstract Syntax Notation One ASN.1 structure, leading to excessive recursion during the Unmarshal operation. This could result in stack exhaustion and a Denial of Service DoS conditio...
net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution
A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...
kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
A flaw was found in the Linux kernel's CIFS Common Internet File System client. When the cifssanitizeprepath function processes specially crafted input, such as an empty string or a string containing only delimiters, it can attempt to read data beyond its allocated memory buffer. This out-of-boun...
Important: Red Hat Security Advisory: kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-patch-4_18_0-477_130_1, kpatch-patch-4_18_0-477_143_1, and kpatch-patch-4_18_0-477_97_1 security update
An update for multiple packages is now available for Red Hat Enterprise Linux 8.8 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...
gimp: GIMP: Remote code execution via PSD file parsing integer overflow
A flaw was found in GIMP. A remote attacker could exploit an integer overflow vulnerability within the readchanneldata function during PSD Photoshop Document file parsing by enticing a user to open a specially crafted PSD file. This could lead to arbitrary code execution in the context of the...
gimp: GIMP: Remote Code Execution via TIF file parsing integer overflow
A flaw was found in GIMP, an image manipulation program. This vulnerability allows a remote attacker to execute arbitrary code on an affected system. Exploitation requires user interaction, where the target must open a specially crafted TIF Tagged Image File Format file. The flaw occurs during TI...
gimp: integer overflow in file-fits plugin causes a heap-based buffer overflow on crafted FITS images
A flaw was found in the file-fits plugin in GIMP. When processing a FITS image file, the plugin calculates memory allocation sizes using signed 32-bit integers for width and height. If a crafted file sets both values to large values, their product exceeds 2^31 and overflows, resulting in an...
gimp: GIMP: Remote code execution via TIF file parsing vulnerability
A flaw was found in GIMP. This vulnerability, a stack-based buffer overflow in the TIF file parsing component, allows a remote attacker to execute arbitrary code. User interaction is required, as the target must open a specially crafted malicious TIF file. The issue stems from insufficient...
gimp: GIMP: Arbitrary code execution via crafted TIF file parsing
A flaw was found in GIMP. This vulnerability allows a remote attacker to execute arbitrary code by tricking a user into opening a specially crafted TIF file. The issue arises from improper validation of user-supplied data during TIF file parsing, which can lead to an integer overflow before memor...
gimp: GIMP: Remote Code Execution via SGI File Parsing Integer Overflow
A flaw was found in GIMP. This vulnerability, an integer overflow within the parsing of SGI Silicon Graphics Image files, allows a remote attacker to execute arbitrary code. Exploitation requires user interaction, where the target must open a specially crafted malicious SGI file. Successful...
gimp: GIMP: Remote code execution via TIF file parsing heap-based buffer overflow
A flaw was found in GIMP. This heap-based buffer overflow vulnerability in the TIF file parsing component allows a remote attacker to execute arbitrary code. User interaction is required, as the target must open a specially crafted malicious TIF file. Successful exploitation can lead to arbitrary...
Important: Red Hat Security Advisory: gimp:2.8 security update
An update for the gimp:2.8 module 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...
gimp: gimp: Stack buffer overflow in pnmscanner_gettoken()
A flaw was found in GIMP's PNM file format parser. When parsing a specially crafted PNM file, the pnmscannergettoken function writes a null terminator one byte past the end of a stack-allocated buffer due to an off-by-one error in the loop boundary check. This could lead to memory corruption,...
gstreamer1-plugins-bad-free: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer
A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit...
Important: Red Hat Security Advisory: gstreamer-plugins-bad-free security update
An update for gstreamer-plugins-bad-free is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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...
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 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: 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: 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: 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...
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: 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: 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: 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: 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: 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: 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: 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: 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...
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: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: ruby4.0: ruby4.0-4.0.6-37.3.hum1 aarch64, x8664 ruby4.0-bundled-gems-4.0.6-37.3.hum1 aarch64, x8664 ruby4.0-default-gems-4.0.6-37.3.hum1 noarch ruby4.0-devel-4.0.6-37.3.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: 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: 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...