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Azure Linux

13,277 known vulnerabilities.

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  • High 8.8
    CVE-2026-43503 Public exploit

    net: skbuff: propagate shared-frag marker through frag-transfer helpers

    In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers (__pskb_copy_fclone() and skb_shift()) fail to propagate the SKBFL_SHARED_FRAG bit in skb_shi…

  • High 8.1
    CVE-2026-9256 Public exploit EPSS 11%

    NGINX ngx_http_rewrite_module vulnerability

    NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when a rewrite directive uses a regex pattern with distinct, overlapping Perl-Compatible Regular Expression (PCRE) captures (for example, ^/…

  • High 7.8
    CVE-2026-43499 Public exploit

    rtmutex: Use waiter::task instead of current in remove_waiter()

    In the Linux kernel, the following vulnerability has been resolved: rtmutex: Use waiter::task instead of current in remove_waiter() remove_waiter() is used by the slowlock paths, but it is also used for proxy-lock rollback in rt_mutex_start_proxy_lock() when …

  • High 7.8
    CVE-2026-43494 Public exploit

    net/rds: reset op_nents when zerocopy page pin fails

    In the Linux kernel, the following vulnerability has been resolved: net/rds: reset op_nents when zerocopy page pin fails When iov_iter_get_pages2() fails in rds_message_zcopy_from_user(), the pinned pages are released with put_page(), and rm->data.op_mmp_znot…

  • High 7.1
    CVE-2026-46333 Public exploit

    ptrace: slightly saner 'get_dumpable()' logic

    In the Linux kernel, the following vulnerability has been resolved: ptrace: slightly saner 'get_dumpable()' logic The 'dumpability' of a task is fundamentally about the memory image of the task - the concept comes from whether it can core dump or not - and ma…

  • High 8.8
    CVE-2026-6475 Public exploit

    PostgreSQL pg_basebackup and pg_rewind can overwrite unrelated files of origin superuser choice

    Symlink following in PostgreSQL pg_basebackup plain format and in pg_rewind allows an origin superuser to overwrite local files, e.g. /var/lib/postgres/.bashrc, that hijack the operating system account. It will remain the case that starting the server after t…

  • High 8.1
    CVE-2026-42945 Public exploit EPSS 68%

    NGINX ngx_http_rewrite_module vulnerability

    NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression (PCRE) capture (…

  • High 7.3
    CVE-2026-5172 Public exploit

    CVE-2026-5172

    A buffer overflow in dnsmasq’s extract_addresses() function allows an attacker to trigger a heap out-of-bounds read and crash by exploiting a malformed DNS response, enabling extract_name() to advance the pointer past the record’s end.

  • High 7.3
    CVE-2026-2291 Public exploit

    CVE-2026-2291

    dnsmasqs extract_name() function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-controlled IP address, or to cause a DoS.

  • High 7.8
    CVE-2026-43500 Public exploit EPSS 94%

    rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpc_input_call_event() and the RESPONSE handler in rxrpc_verify_response() copy the skb to …

  • High 7.3
    CVE-2026-6735 Public exploit

    XSS within PHP-FPM status endpoint

    In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, 8.5.* before 8.5.6, due to improper sanitation of user data, it allows an attacker to compose an URL, which will cause the target to execute arbitrary JavaScript code (XSS) on the …

  • High 7.5
    CVE-2026-6664 Public exploit

    PgBouncer integer overflow in PgBouncer network packet parsing

    An integer overflow in network packet parsing code in PgBouncer before 1.25.2 bypasses a boundary check and can lead to a crash. An unauthenticated remote attacker can crash PgBouncer with a malformed SCRAM authentication packet.

  • High 8.8
    CVE-2026-43284 Public exploit EPSS 94%

    xfrm: esp: avoid in-place decrypt on shared skb frags

    In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter()…

  • High 7.7
    CVE-2026-25243 Public exploit

    redis-server RESTORE invalid memory access may allow remote code execution

    Redis is an in-memory data structure store. In versions of redis-server up to 8.6.3, the RESTORE command does not properly validate serialized values. An authenticated attacker with permission to execute RESTORE can supply a crafted serialized payload that tr…

  • High 7.7
    CVE-2026-23479 Public exploit

    redis-server use-after-free in unblock client flow may allow remote code execution

    Redis is an in-memory data structure store. In redis-server from 7.2.0 until 8.6.3, the unblock client flow does not handle an error return from `processCommandAndResetClient` when re-executing a blocked command. If a blocked client is evicted during this flo…

  • High 7.5
    CVE-2026-42154 Public exploit

    Prometheus: remote read endpoint allows denial of service via crafted snappy payload

    Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the remote read endpoint (/api/v1/read) does not validate the declared decoded length in a snappy-compressed request body before allocating memory. An…

  • High 8.8
    CVE-2026-23918 Public exploit EPSS 50%

    Apache HTTP Server: http2: double free and possible RCE on early reset

    Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

  • High 8.8
    CVE-2026-24072 Public exploit

    Apache HTTP Server: mod_rewrite elevation of privileges via ap_expr

    An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

  • High 7.8
    CVE-2026-31694 Public exploit

    fuse: reject oversized dirents in page cache

    In the Linux kernel, the following vulnerability has been resolved: fuse: reject oversized dirents in page cache fuse_add_dirent_to_cache() computes a serialized dirent size from the server-controlled namelen field and copies the dirent into a single page-cac…

  • High 7.8
    CVE-2026-31525 Public exploit

    bpf: Fix undefined behavior in interpreter sdiv/smod for INT_MIN

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix undefined behavior in interpreter sdiv/smod for INT_MIN The BPF interpreter's signed 32-bit division and modulo handlers use the kernel abs() macro on s32 operands. The abs() macro d…

  • High 7.8
    CVE-2026-31431 Exploited Public exploit EPSS 98%

    crypto: algif_aead - Revert to operating out-of-place

    In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif…

    KEV May 1, 2026
  • 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 7.7
    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
    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 8.2
    CVE-2026-27654 Public exploit EPSS 26%

    NGINX ngx_http_dav_module vulnerability

    NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_dav_module module that might allow an attacker to trigger a buffer overflow to the NGINX worker process; this vulnerability may result in termination of the NGINX worker process or modifica…

  • High 7.5
    CVE-2026-25075 Public exploit

    strongSwan 4.5.0 < 6.0.5 EAP-TTLS AVP Parsing Integer Underflow

    strongSwan versions 4.5.0 prior to 6.0.5 contain an integer underflow vulnerability in the EAP-TTLS AVP parser that allows unauthenticated remote attackers to cause a denial of service by sending crafted AVP data with invalid length fields during IKEv2 authen…

  • High 7.3
    CVE-2025-69720 Public exploit

    The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_string in pro…

  • High 8.2
    CVE-2026-31802 Public exploit

    node-tar Symlink Path Traversal via Drive-Relative Linkpath

    node-tar is a full-featured Tar for Node.js. Prior to version 7.5.11, tar (npm) can be tricked into creating a symlink that points outside the extraction directory by using a drive-relative symlink target such as C:../../../target.txt, which enables file over…

  • High 8.2
    CVE-2026-29786 Public exploit

    node-tar: Hardlink Path Traversal via Drive-Relative Linkpath

    node-tar is a full-featured Tar for Node.js. Prior to version 7.5.10, tar can be tricked into creating a hardlink that points outside the extraction directory by using a drive-relative link target such as C:../target.txt, which enables file overwrite outside …

  • High 7.8
    CVE-2026-23231 Public exploit

    netfilter: nf_tables: fix use-after-free in nf_tables_addchain()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix use-after-free in nf_tables_addchain() nf_tables_addchain() publishes the chain to table->chains via list_add_tail_rcu() (in nft_chain_add()) before registering hook…

  • High 7.9
    CVE-2026-28364 Public exploit

    In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables r…

  • High 8.5
    CVE-2025-67733 Public exploit

    Valkey Affected by RESP Protocol Injection via Lua error_reply

    Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious user can use scripting commands to inject arbitrary information into the response stream for the given client, potentially corrupting or returning tampe…

  • High 7.8
    CVE-2026-23111 Public exploit

    netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate() nft_map_catchall_activate() has an inverted element activity check compared to its non-catchall counterpart nft…

  • High 8.8
    CVE-2026-2005 Public exploit

    PostgreSQL pgcrypto heap buffer overflow executes arbitrary code

    Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

  • High 7.0
    CVE-2026-26157 Public exploit

    Busybox: busybox: arbitrary file overwrite and potential code execution via incomplete path sanitization

    A flaw was found in BusyBox. Incomplete path sanitization in its archive extraction utilities allows an attacker to craft malicious archives that when extracted, and under specific conditions, may write to files outside the intended directory. This can lead t…

  • High 7.5
    CVE-2025-69421 Public exploit

    NULL Pointer Dereference in PKCS12_item_decrypt_d2i_ex function

    Issue summary: Processing a malformed PKCS#12 file can trigger a NULL pointer dereference in the PKCS12_item_decrypt_d2i_ex() function. Impact summary: A NULL pointer dereference can trigger a crash which leads to Denial of Service for an application processi…

  • High 7.5
    CVE-2025-69420 Public exploit

    Missing ASN1_TYPE validation in TS_RESP_verify_response() function

    Issue summary: A type confusion vulnerability exists in the TimeStamp Response verification code where an ASN1_TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer dereference when processing a malformed TimeStam…

  • High 7.4
    CVE-2025-69419 Public exploit

    Out of bounds write in PKCS12_get_friendlyname() UTF-8 conversion

    Issue summary: Calling PKCS12_get_friendlyname() function on a maliciously crafted PKCS#12 file with a BMPString (UTF-16BE) friendly name containing non-ASCII BMP code point can trigger a one byte write before the allocated buffer. Impact summary: The out-of-…

  • High 8.8
    CVE-2025-15467 Public exploit EPSS 75%

    Stack buffer overflow in CMS (Auth)EnvelopedData parsing

    Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote c…