Red Hat has 2,798 CVEs on record between 2010 and 2026. Disclosure cadence is accelerating: 1490 in the last 90 days against 571 in the 90 before. The busiest recent month was October 2026 with 627. The median CVSS is 6.5 (medium), with 135 rated critical. 0% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 2722 days (6 cases). The dominant weakness classes are CWE-125 (187) and CWE-787 (157). Most affected products: Red Hat Enterprise Linux 9 (275), Red Hat Enterprise Linux 10 (167), Linux (74).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 6.5
- Publish → KEV
- 2722 d median(6)
- Last 90 days
- 1490 prev 571
Weakness classes
Products
- Red Hat Enterprise Linux 9 275
- Red Hat Enterprise Linux 10 167
- Linux 74
- Red Hat Enterprise Linux BaseOS (v. 10) 55
- Red Hat OpenShift AI (RHOAI) 50
- build_of_keycloak 49
Worst active — by depth score
CVE-2017-12149Critical· 9.8In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserializatio…100CVE-2021-40438Critical· 9.0A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user99CVE-2026-31431High· 7.8In 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 op…88CVE-2024-3094Critical· 10.0Xz: malicious code in distributed source85CVE-2010-1428High· 7.5The Web Console (aka web-console) in JBossAs in Red Hat JBoss Enterprise Application Platform (aka JBoss EAP or JBEAP) 4.2 before 4.2.0.CP09 and 4.3 before 4.3.0.CP08 performs access control only for the GET and POST methods, which allow…82
Red Hat vulnerabilities
CVEs affecting Red Hat, newest first. Open any entry for full detail, references, and exploit status.
2798 CVEsRSS
CVE-2026-93568High· 7.5A flaw was found in Netty
A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/2 or HTTP/3 Extended CONNECT requests. Netty's HTTP-object conversion path incorrectly processes these requests as regular HT…
CVE-2026-93576High· 7.5A flaw was found in Netty netty-codec-smtp
A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return (CR) and Line Feed (LF) characters in the SMTP command-name field. A remote attacker, if an application routes untrusted input into this…
CVE-2026-93569High· 8.2A flaw was found in Netty
A flaw was found in Netty. A remote unauthenticated attacker can exploit a vulnerability in Netty's HTTP/1 to HTTP/2 conversion process. When an HTTP/1 request includes both an absolute-form request-target and a conflicting Host header, …
CVE-2026-93560High· 7.5A flaw was found in the Netty STOMP codec
A flaw was found in the Netty STOMP codec. A remote attacker could send a specially crafted STOMP frame with a content-length header exceeding the maximum integer value. This integer truncation vulnerability could lead to an infinite dec…
CVE-2026-93492Medium· 5.3A flaw was found in Netty's HTTP/2 HpackEncoder
A flaw was found in Netty's HTTP/2 HpackEncoder. A remote attacker can exploit this by sending HTTP/2 SETTINGS frames with a very large MAX_HEADER_TABLE_SIZE. This causes the HpackEncoder to store an excessive number of unique headers, l…
CVE-2026-93491High· 7.5A flaw was found in Netty's HttpServerCodec
A flaw was found in Netty's HttpServerCodec. A remote, unauthenticated attacker can exploit this vulnerability by pipelining HTTP/1.1 requests on a single connection and withholding reads. This action causes the methodOverflowQueue to gr…
CVE-2026-93488High· 7.5A flaw was found in Netty
A flaw was found in Netty. SpdySessionHandler accepts an unlimited number of concurrent remote-initiated streams because localConcurrentStreams defaults to Integer.MAX_VALUE and the handler provides no API to change it. A remote peer can…
CVE-2026-93578Medium· 5.9PoCA flaw was found in Netty's Online Certificate Status Protocol (OCSP) Client
A flaw was found in Netty's Online Certificate Status Protocol (OCSP) Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage (EKU) in OCSP responder certificates. A remote attacker, holding any valid certificate is…
CVE-2026-93575High· 7.5A flaw was found in Netty's MqttDecoder
A flaw was found in Netty's MqttDecoder. An unauthenticated remote attacker can exploit this vulnerability by sending a specially crafted MQTT CONNECT packet. The decoder fails to properly validate the 'Properties Length' against the 'Re…
CVE-2026-93572High· 7.5A flaw was found in Netty's `RedisArrayAggregator` component
A flaw was found in Netty's `RedisArrayAggregator` component. A remote attacker can exploit this vulnerability by sending specially crafted nested Redis (RESP) array headers. This can cause the `RedisArrayAggregator` to eagerly prealloca…
CVE-2026-93563High· 7.5A flaw was found in Netty's `SmtpResponseDecoder` component
A flaw was found in Netty's `SmtpResponseDecoder` component. A remote attacker, acting as a malicious or man-in-the-middle (MITM) SMTP server, could exploit this by sending a specially crafted, unbounded multi-line SMTP response without …
CVE-2026-81627High· 8.2PoCA flaw was found in QEMU
A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A privileged guest user on a Q35/KVM machine can position this alias over locked S…
CVE-2026-93561Medium· 6.5A flaw was found in io.netty/netty-codec-memcache
A flaw was found in io.netty/netty-codec-memcache. The Memcache binary protocol codec incorrectly reads `keyLength` and `extrasLength` as signed Java types instead of unsigned, as specified by the protocol. A malicious Memcache server ca…
CVE-2026-87743High· 7.5A flaw was found in Quarkus HTTP security
A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths are normalized between the security matcher and HTTP request dispatchers. This allows the attacker to craft a URL that the secu…
CVE-2026-93494High· 7.5A flaw was found in Netty's StompSubframeDecoder component
A flaw was found in Netty's StompSubframeDecoder component. A remote attacker can exploit this vulnerability by sending a specially crafted STOMP frame body without its terminating null byte. This causes the decoder to allocate a ByteBuf…
CVE-2026-93493Medium· 5.9A flaw was found in Netty's `netty-handler-ssl-ocsp` component
A flaw was found in Netty's `netty-handler-ssl-ocsp` component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol (OCSP) response that omits the optional `nextUpdate` field. This omission…
CVE-2026-89059High· 7.5PoCA flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without enforcing any limit on the declared image dimensions or pixel count
A flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without enforcing any limit on the declared image dimensions or pixel count. A remote, unauthenticated attacker can send a small crafte…
CVE-2026-89058High· 7.4PoCA flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins ("*"), reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true
A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins ("*"), reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. Thi…
CVE-2026-76781Medium· 5.5A flaw was found in libxml2
A flaw was found in libxml2. A local user or an attacker providing a specially crafted XML catalog can trigger a NULL pointer dereference during XML catalog parsing. This occurs when a `nextCatalog` element lacks its mandatory `catalog` …
CVE-2026-87742High· 7.5A flaw was found in quarkus-websockets-next
A flaw was found in quarkus-websockets-next. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by streaming messages over a single connection faster than the application can process them. Due to unbounded mes…
CVE-2026-81829Medium· 5.3A flaw was found in SmallRye JWT's AwsAlbKeyResolver, which is used by applications to verify JSON Web Tokens signed by AWS Application Load Balancers
A flaw was found in SmallRye JWT's AwsAlbKeyResolver, which is used by applications to verify JSON Web Tokens signed by AWS Application Load Balancers. When the AWS_ALB key provider is configured, the resolver constructs the key-fetch UR…
CVE-2026-92904Medium· 4.3A flaw was found in the foreman_remote_execution plugin's template invocations controller
A flaw was found in the foreman_remote_execution plugin's template invocations controller. The show_template_invocation_by_host action resolves the job invocation by ID without evaluating the caller's view_job_invocations permission filt…
CVE-2026-92925High· 7.1A flaw was found in Redis community
A flaw was found in Redis community. The cluster bus packet parser, responsible for handling PING, PONG, and MEET packets, fails to properly validate string-carrying extensions for null-termination. This oversight allows a remote attacke…
CVE-2026-92893Medium· 4.3A flaw was found in the foreman_ansible plugin's Ansible inventory API
A flaw was found in the foreman_ansible plugin's Ansible inventory API. The controller builds its host query using an unscoped Host.where call that does not enforce the search filter associated with the caller's view_hosts permission. An…
CVE-2026-92894Medium· 4.3A flaw was found in the foreman_ansible plugin's Ansible override values API
A flaw was found in the foreman_ansible plugin's Ansible override values API. The destroy action resolves the target LookupValue record by ID without verifying it belongs to an AnsibleVariable the caller is authorized to edit. An authent…
CVE-2026-86320High· 7.8PoCA flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true
A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch hook can cause the hook to execute on…
CVE-2026-85469High· 8.0A flaw was found in quay-builder-qemu
A flaw was found in quay-builder-qemu. A remote attacker could exploit this by compromising the upstream `Noelware/docker-manifest-action` used in the release workflow, which is pinned to a mutable branch. This allows the attacker to inj…
CVE-2026-42784High· 7.4A flaw was found in sequoia-openpgp
A flaw was found in sequoia-openpgp. The library incorrectly infers key flags for older certificates when a key flags subpacket is missing, leading to a discrepancy in how key capabilities are viewed. This key flag confusion allows an at…
CVE-2026-92615Medium· 6.6A flaw was found in flightctl
A flaw was found in flightctl. The configureRepoHTTPSClient() function in the device-render worker builds a per-repository tls.Config (which may include InsecureSkipVerify, a custom CA bundle, or tenant-supplied mTLS client certificates)…
CVE-2026-17526High· 7.2Keycloak is an open-source identity and access management solution
Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative contr…