nginx: NGINX: Arbitrary code execution via crafted HTTP requests

A flaw was found in NGINX. An unauthenticated attacker can exploit this vulnerability by sending specially crafted HTTP requests when the map directive uses regular expression regex matching and references regex capture variables before referencing the map output variable. This can lead to a heap...

Important: Red Hat Security Advisory: rust security update

An update for rust 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 from the...

libgit2: libgit2: Denial of Service due to heap out-of-bounds read from malicious Git server

A flaw was found in libgit2. A fixed-size string comparison in the setdata function within transports/smartpkt.c does not adequately verify the size of a network packet buffer. A remote attacker, operating a malicious Git server, can send a specially crafted packet-line capability buffer. This ca...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...

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...

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...

Important: Red Hat Security Advisory: git-lfs security update

An update for git-lfs is now available for Red Hat Enterprise Linux 9.6 Extended Update 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 rating, is available for...

crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation

A flaw was found in Go's crypto/x509 package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service DoS for...

net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME

A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...

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...

postgresql: PostgreSQL: Arbitrary code execution via heap buffer overflow in regexp

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the regexp component, which can be triggered by a query author providing text that does not pass encoding validation. This can lead to unanticipated data growth, allowing the attacker to execute arbitrary code as the...

postgresql: PostgreSQL pg_stat_statements: Arbitrary code execution via heap buffer overflow

A flaw was found in PostgreSQL pgstatstatements. A local attacker, specifically a query author, could exploit a heap buffer overflow vulnerability by crafting special queries containing array constants. This could allow the attacker to execute arbitrary code as the operating system user running t...

postgresql: PostgreSQL: Arbitrary code execution via type confusion in 'refint' module

A flaw was found in PostgreSQL. A type confusion vulnerability in the 'refint' module allows an object creator to execute arbitrary code as the operating system user running the database. This could lead to a complete compromise of the database server...

postgresql-fuzzystrmatch: PostgreSQL fuzzystrmatch: Arbitrary code execution via integer wraparound

A flaw was found in PostgreSQL fuzzystrmatch. A low-privileged database user can exploit an integer wraparound vulnerability by providing extreme inputs to the levenshtein or levenshteinlessequal SQL functions. This allows the user to execute arbitrary code as the operating system user running th...

postgresql: PostgreSQL: Arbitrary code execution via type confusion with "internal" arguments

A type confusion vulnerability in PostgreSQL allows any user to execute arbitrary code as the database's operating system user by calling functions with mishandled "internal" data type arguments...

postgresql: PostgreSQL: Arbitrary code execution via logical decoding plugin

A flaw was found in PostgreSQL. Missing authorization in PostgreSQL's logical decoding feature allows a non-superuser with REPLICATION privilege to load arbitrary files. This can lead to arbitrary code execution as the operating system account running the server...

postgresql: PostgreSQL psql: Arbitrary command execution via untrusted data in COPY FROM STDIN

A flaw was found in PostgreSQL psql. During the COPY FROM STDIN operation, untrusted data can be mistakenly interpreted as psql commands if an error injection causes the command to fail prematurely. This could allow an attacker to achieve arbitrary command execution. Successful exploitation...

postgresql: PostgreSQL: Arbitrary code execution via untrusted data inclusion in pg_dump

A vulnerability in PostgreSQL allows a malicious origin-server superuser to achieve client-side arbitrary code execution during a database restore. By injecting untrusted data into a pgdump export, the attacker can exploit the input expansion of the psql \restrict meta-command. When a victim...

Important: Red Hat Security Advisory: postgresql18 security update

An update for postgresql18 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...

postgresql: PostgreSQL: Arbitrary code execution via plperl tied hash heap buffer overflow

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the plperl component when returning a tied hash. This allows a function owner to execute arbitrary code as the operating system user running the database by providing a specially crafted function body. This could lead ...

postgresql: PostgreSQL pg_dump: Arbitrary code execution via crafted transform lists

A flaw was found in PostgreSQL pgdump. A heap buffer overflow vulnerability exists when processing long function transform lists. An authenticated object creator can exploit this by providing a specially crafted transform list. This allows the attacker to execute arbitrary code as the operating...

postgresql: PostgreSQL: Stack buffer overflow via OUT parameter count manipulation

A flaw was found in PostgreSQL. An object creator can exploit a stack buffer overflow vulnerability within the argument name matching component. By manipulating the OUT parameter count, an attacker can write limited arbitrary bytes 0x0 and 0x1 to server memory, which may lead to unknown impacts...

postgresql: PostgreSQL: Privilege escalation via SQL injection in EXTRACT() deparse

A SQL injection flaw in PostgreSQL's EXTRACT expression deparser allows an authenticated object owner to execute arbitrary SQL commands with superuser privileges. By defining a hostile database object, an attacker can achieve privilege escalation when deparsing tools like pgdump or psql inspect o...

postgresql: PostgreSQL: Arbitrary code execution via integer wraparound in tsvector and tsquery functions

A flaw was found in PostgreSQL. An unprivileged database user can exploit an integer wraparound vulnerability in the tsvector and tsquery data type functions. By providing crafted large inputs, the server can be forced to undersize an allocation, leading to an out-of-bounds write. This could...

postgresql: pltcl: plperl: PostgreSQL: Arbitrary code execution in 32-bit pltcl and plperl

A flaw was found in PostgreSQL. An integer wraparound vulnerability in 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This can lead to arbitrary code execution as the operating system...

postgresql: PostgreSQL: Arbitrary code execution via type confusion in cursor lifecycle

A flaw was found in PostgreSQL. This vulnerability, caused by type confusion in the 'portal'/cursor lifecycle, allows a user to execute arbitrary code as the operating system user running the database. This can occur by re-creating a cursor or other portal with different types. Successful...

postgresql: PostgreSQL: Arbitrary code execution via long POSIX timezone abbreviation

A heap buffer overflow flaw was found in the PostgreSQL tochartimestamptz function. An attacker can exploit this by supplying an overly long POSIX timezone abbreviation to execute arbitrary code as the database's operating system user, potentially resulting in complete system compromise...

postgresql: PostgreSQL: SQL injection in pg_createsubscriber allows arbitrary SQL execution as superuser

A flaw was found in PostgreSQL. An attacker with pgcreatesubscription rights can exploit a SQL injection vulnerability in the pgcreatesubscriber utility. This allows the attacker to execute arbitrary SQL commands with superuser privileges when pgcreatesubscriber is next run, leading to potential...

postgresql: PostgreSQL: Arbitrary code execution via type confusion in pg_restore_attribute_stats()

A flaw was found in PostgreSQL. An object creator can exploit a type confusion vulnerability in the pgrestoreattributestats function. This flaw occurs due to the conflation of range and multirange values, allowing the attacker to execute arbitrary code as the operating system user running the...

postgresql: PostgreSQL: Information disclosure via type confusion in ctid selectivity estimator

A flaw was found in PostgreSQL. This vulnerability, stemming from a type confusion issue in the ctid data type selectivity estimator, could allow an authenticated object creator to access and potentially recover sensitive information from memory. By manipulating input, an attacker could gain...

alsa-lib: alsa-lib: Denial of Service via off-by-one stack buffer overflow

A flaw was found in alsa-lib. This vulnerability is an off-by-one stack buffer overflow in the sndctlasciielemidparse function. A local attacker can exploit this by supplying a specially crafted, long control-element identifier string through saved state files or command-line arguments. This can...

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: alsa-lib: alsa-lib-1.2.16.1-2.1.hum1 aarch64, x8664 alsa-lib-devel-1.2.16.1-2.1.hum1 aarch64, x8664 alsa-topology-1.2.16.1-2.1.hum1 noarch alsa-ucm-1.2.16.1-2.1.hum1 noarch...

Moderate: Red Hat Security Advisory: perl:5.32 security update

An update for the perl:5.32 module is now available for Red Hat Enterprise Linux 8. 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...

perl: Perl: Incorrect regular expression processing via large regular expressions

A flaw was found in Perl. When the Perl regular expression engine processes patterns with a very large number of alternative fixed strings, an internal data field can overflow. This leads to silently incorrect regular expression matches, causing the engine to either match strings it should not...

kernel: Linux kernel: Wi-Fi subsystem out-of-bounds read via crafted frames

A flaw was found in the Linux kernel's Wi-Fi subsystem cfg80211. The cfg80211iselementinherited function does not properly validate the length of extension elements. A remote attacker, by sending a specially crafted Wi-Fi frame from an Access Point AP, could trigger a one-octet slab-out-of-bounds...

kernel: Bluetooth: SMP: force responder MITM requirements before building the pairing response

A flaw was found in the Linux kernel's Bluetooth Security Manager Protocol SMP. An attacker could exploit this vulnerability during the Bluetooth pairing process by manipulating authentication requirements. This could lead to the selection of a weaker pairing method than intended, potentially...

kernel: drm/xe: Open-code GGTT MMIO access protection

A flaw was found in the drm/xe component of the Linux kernel. This vulnerability involves insufficient protection of Graphics Translation Table GGTT Memory-Mapped I/O MMIO access. When the driver fails to load or during certain cleanup operations, the system's memory access protection is...

kernel: drm/i915: Fix potential overflow of shmem scatterlist length

A flaw was found in the Linux kernel's graphics memory management drm/i915 component. This vulnerability occurs when a large shared memory object's internal list of memory segments, called a scatterlist, is populated. If the total size of these segments exceeds 4 Gigabytes GB, a numerical overflo...

kernel: drm/xe: always keep track of remap prev/next

A flaw was found in the Linux kernel's drm/xe driver. During 3D workload processing, a user process can trigger an issue in the Virtual Memory Area VMA management when performing a rebind operation. This can lead to an invalid or overlapping VMA insertion, causing the system to enter an unstable...

kernel: wifi: mac80211: fix MLE defragmentation

A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. This vulnerability arises from incorrect handling of Multi-Link Element MLE defragmentation. When a reconf or EPCS Enhanced Power Save MLE is present in a non-transmitted profile, the defragmentation routine uses an incorrect pointe...

kernel: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind()

A flaw was found in the Linux kernel's Bluetooth RFCOMM Radio Frequency Communication subsystem. A race condition in the rfcommconnectind function, specifically during the handling of listener sockets, can lead to a use-after-free vulnerability. A local attacker could exploit this to cause a deni...

kernel: Bluetooth: RFCOMM: validate skb length in MCC handlers

A flaw was found in the Linux kernel's Bluetooth RFCOMM Radio Frequency Communication subsystem. A malicious remote device could exploit this vulnerability by sending specially crafted, truncated Multiplexing Control Channel MCC frames. This lack of proper validation of incoming data length befor...

kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing

A flaw was found in the Linux kernel's Stream Control Transmission Protocol SCTP implementation. A remote attacker could exploit this by sending a specially crafted COOKIEECHO chunk to a listening SCTP server. The server's failure to properly validate the length of a cached peer INIT chunk within...

kernel: wifi: nl80211: reject oversized EMA RNR lists

A flaw was found in the Linux kernel's nl80211 Wi-Fi subsystem. The nl80211parsernrelems function, responsible for parsing EMA RNR Enhanced Multiple Access Reduced Neighbor Report lists, does not properly handle an excessive number of nested NL80211ATTREMARNRELEMS inputs. This improper input...

kernel: Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER

A flaw was found in the Linux kernel's Bluetooth subsystem. Improper handling of locking within the hciconnrequestevt function, particularly when the HCIPROTODEFER protocol is active, can result in a Use-After-Free UAF vulnerability. This condition arises when a connection object is accessed afte...

kernel: Bluetooth: serialize accept_q access

A flaw was found in the Linux kernel's Bluetooth subsystem. A race condition exists in the handling of the acceptq within the btsockpoll function due to a lack of synchronization. This could allow a local attacker to cause a denial of service by manipulating socket operations during child teardow...

kernel: wifi: iwlwifi: mld: validate sta_mask before ffs() in BA session handlers

A flaw was found in the Linux kernel's iwlwifi Intel Wireless WiFi driver. This vulnerability allows an attacker to cause an out-of-bounds memory access in the WiFi Block Acknowledgement BA session handlers. This occurs when the stamask value is zero, leading to an incorrect station ID calculatio...

kernel: wifi: iwlwifi: mld: fix TSO segmentation explosion when AMSDU is disabled

A flaw was found in the Linux kernel's iwlwifi MLD driver. When the Aggregated MAC Service Data Unit AMSDU feature is disabled, the driver incorrectly processes Transmit Segmentation Offload TSO requests. This can lead to a flood of micro-frames on the transmit ring, resulting in memory corruptio...

kernel: sctp: fix race between sctp_wait_for_connect and peeloff

A flaw was found in the Linux kernel's Stream Control Transmission Protocol SCTP implementation. A race condition exists in the sctpwaitforconnect function, where a socket lock is temporarily released and re-acquired. During this brief period, another process can move the SCTP association to a...

kernel: Bluetooth: HIDP: fix missing length checks in hidp_input_report()

A flaw was found in the Linux kernel's Bluetooth Human Interface Device Protocol HIDP. A remote attacker, by sending specially crafted truncated packets from a paired Bluetooth device, could trigger an out-of-bounds read in the hidpinputreport function. This vulnerability may lead to unintended...