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Azure Linux

13,280 known vulnerabilities.

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  • High 7.1

    Poetry Has Wheel Path Traversal Which Can Lead to Arbitrary File Write

    Poetry is a dependency manager for Python. From version 1.4.0 to before version 2.3.3, a crafted wheel can contain ../ paths that Poetry writes to disk without containment checks, allowing arbitrary file write with the privileges of the Poetry process. It is …

  • High 7.5

    In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' …

  • High 7.5

    tls: Purge async_hold in tls_decrypt_async_wait()

    In the Linux kernel, the following vulnerability has been resolved: tls: Purge async_hold in tls_decrypt_async_wait() The async_hold queue pins encrypted input skbs while the AEAD engine references their scatterlist data. Once tls_decrypt_async_wait() returns…

  • High 8.6

    ONNX: Malicious ONNX models can crash servers by exploiting unprotected object settings.

    Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, the ExternalDataInfo class in ONNX was using Python’s setattr() function to load metadata (like file paths or data lengths) directly from a…

  • High 7.5

    Corosync: corosync: denial of service via integer overflow in join message validation

    A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol (UDP) packets. This can cause the service to crash, leading to a deni…

  • High 8.2

    Corosync: corosync: denial of service and information disclosure via crafted udp packet

    A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol (UDP) packet. This can lead to an out-of-…

  • High 7.8

    apparmor: fix race on rawdata dereference

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race on rawdata dereference There is a race condition that leads to a use-after-free situation: because the rawdata inodes are not refcounted, an attacker can start open()ing on…

  • High 7.8

    apparmor: fix race between freeing data and fs accessing it

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race between freeing data and fs accessing it AppArmor was putting the reference to i_private data on its end after removing the original entry from the file system. However the…

  • High 7.8

    apparmor: fix missing bounds check on DEFAULT table in verify_dfa()

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix missing bounds check on DEFAULT table in verify_dfa() The verify_dfa() function only checks DEFAULT_TABLE bounds when the state is not differentially encoded. When the verificat…

  • High 7.8

    apparmor: Fix double free of ns_name in aa_replace_profiles()

    In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix double free of ns_name in aa_replace_profiles() if ns_name is NULL after 1071 error = aa_unpack(udata, &lh, &ns_name); and if ent->ns_name contains an ns_name in 1089 } else if …

  • High 7.8

    apparmor: fix side-effect bug in match_char() macro usage

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix side-effect bug in match_char() macro usage The match_char() macro evaluates its character parameter multiple times when traversing differential encoding chains. When invoked wi…

  • High 8.1

    KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE When installing an emulated MMIO SPTE, do so *after* dropping/zapping the existing SPTE (if it's shadow-present). …

  • High 7.5
    CVE-2026-5201 Public exploit

    Gdk-pixbuf: gdk-pixbuf: denial of service via heap-based buffer overflow when processing a specially crafted jpeg image

    A flaw was found in the gdk-pixbuf library. This heap-based buffer overflow vulnerability occurs in the JPEG image loader due to improper validation of color component counts when processing a specially crafted JPEG image. A remote attacker can exploit this f…

  • High 7.5
    CVE-2026-21710 Public exploit EPSS 25%

    A flaw in Node.js HTTP request handling causes an uncaught `TypeError` when a request is received with a header named `…

  • High 7.5

    iconv crash due to assertion failure with untrusted input

    The iconv() function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when converting inputs from the IBM1390 or IBM1399 character sets, which may be used to remotely crash an application. This vulnerability can be triviall…

  • High 7.5

    Libarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image processing

    A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overfl…

  • High 7.5

    Flannel vulnerable to cross-node remote code execution via extension backend BackendData injection

    Flannel is a network fabric for containers, designed for Kubernetes. The Flannel project includes an experimental Extension backend that allows users to easily prototype new backend types. In versions of Flannel prior to 0.28.2, this Extension backend is vuln…

  • High 7.5

    Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount…

  • High 7.4

    Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can …

  • High 7.7
    CVE-2026-24031 Public exploit

    Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin. This vulnerability allow…

  • High 7.5

    ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageS…

  • High 7.5
    CVE-2026-33671 Public exploit

    Picomatch has a ReDoS vulnerability via extglob quantifiers

    Picomatch is a glob matcher written JavaScript. Versions prior to 4.0.4, 3.0.2, and 2.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) when processing crafted extglob patterns. Certain patterns using extglob quantifiers such as `+()` and `*(…

  • High 7.5

    Infinite loop in github.com/antchfx/xpath

    Boolean XPath expressions that evaluate to true can cause an infinite loop in logicalQuery.Select, leading to 100% CPU usage. This can be triggered by top-level selectors such as "1=1" or "true()".

  • High 7.6

    LIBPNG has ARM NEON Palette Expansion Out-of-Bounds Read on AArch64

    LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.6.36 through 1.6.55, an out-of-bounds read and write exists in libpng's ARM/AArch64 Neon-optimized palett…

  • High 7.5

    LIBPNG has use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE`

    LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.2.1 through 1.6.55, `png_set_tRNS` and `png_set_PLTE` each alias a heap-allocated buffer between `png_str…

  • High 8.8

    etcd: Authorization bypasses in multiple APIs

    etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, unauthorized users may bypass authentication or authorization checks and call certain etcd functions in clusters that expose the gRPC API …

  • High 8.7

    Squid has Denial of Service in ICP Response handling

    Squid is a caching proxy for the Web. Prior to version 7.5, due to premature release of resource during expected lifetime and heap Use-After-Free bugs, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker t…

  • High 8.6

    NATS has MQTT plaintext password disclosure

    NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, for MQTT deployments using usercodes/passwords: MQTT passwords are incorrectly classified as a non-authenticating identity st…

  • High 7.5

    NATS Server panic via malicious compression on leafnode port

    NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.14 and 2.12.5, if the nats-server has the "leafnode" configuration enabled (not default), then anyone who can connect can crash the nats-ser…

  • High 7.5

    Memory leak in code preparing DNSSEC proofs of non-existence

    A specially crafted domain can be used to cause a memory leak in a BIND resolver simply by querying this domain. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 throug…

  • High 7.5

    Excessive NSEC3 iterations cause high CPU load during insecure delegation validation

    If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make re…

  • High 8.8

    Bluetooth: L2CAP: Fix accepting multiple L2CAP_ECRED_CONN_REQ

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix accepting multiple L2CAP_ECRED_CONN_REQ Currently the code attempts to accept requests regardless of the command identifier which may cause multiple requests to be marke…

  • High 7.8

    netfilter: nf_tables: release flowtable after rcu grace period on error

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: release flowtable after rcu grace period on error Call synchronize_rcu() after unregistering the hooks from error path, since a hook that already refers to this flowtabl…

  • High 7.8

    netfilter: xt_CT: drop pending enqueued packets on template removal

    In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_CT: drop pending enqueued packets on template removal Templates refer to objects that can go away while packets are sitting in nfqueue refer to: - helper, this can be an issue o…

  • High 7.8

    bpf, arm64: Force 8-byte alignment for JIT buffer to prevent atomic tearing

    In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Force 8-byte alignment for JIT buffer to prevent atomic tearing struct bpf_plt contains a u64 target field. Currently, the BPF JIT allocator requests an alignment of 4 bytes (size…

  • High 7.8

    netfilter: nft_set_pipapo: split gc into unlink and reclaim phase

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run f…

  • High 7.8

    net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs

    In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netif_set_real_num_tx_queues() calls qdisc_reset_all_tx_gt() to flus…

  • High 7.8

    wifi: cfg80211: cancel rfkill_block work in wiphy_unregister()

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkill_block work in wiphy_unregister() There is a use-after-free error in cfg80211_shutdown_all_interfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211_s…

  • High 7.8

    drm/vmwgfx: Return the correct value in vmw_translate_ptr functions

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Return the correct value in vmw_translate_ptr functions Before the referenced fixes these functions used a lookup function that returned a pointer. This was changed to another loo…

  • High 7.8

    scsi: pm8001: Fix use-after-free in pm8001_queue_command()

    In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix use-after-free in pm8001_queue_command() Commit e29c47fe8946 ("scsi: pm8001: Simplify pm8001_task_exec()") refactors pm8001_queue_command(), however it introduces a potentia…