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CVE-2026-77706

Denial of Service via Maliciously Compressed Spreadsheet File in Fileorbis's FileOrbis NextGen FileServer

Improper handling of highly compressed data (data amplification) vulnerability in Fileorbis Bilişim Hizmetleri Ticaret Anonim Şirketi FileOrbis NextGen FileServer allows Sustained Client Engagement. This issue affects FileOrbis NextGen FileServer: before 12.7.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
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Products
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CVE-2026-109095

X.Org Server glamor Xv Image Size Integer Overflow

A integer overflow in glamor Xv Image Size handling in X.Org xwayland before 24.1.15 and X server before 21.1.26 could be used by authenticated clients to crash the X server or leak out data.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
X.org
Products
Xorg-x11-server Xwayland
CVE-2026-115456

Gcc: out-of-bounds read in std::from_chars

A flaw was found in gcc. An attacker could cause a Denial of Service (DoS) by passing a string that is not null-terminated to the std::from_chars() function in the libstdc++ library. This issue triggers an out-of-bounds read beyond the allocated buffer, potentially leading to invalid data parsing or an application crash.

CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
Vendors
Gcc Red Hat Redhat
Products
Gcc Enterprise Linux Enterprise Linux and 6 more
CVE-2026-101295

Oc-mirror: oc-mirror: path traversal / arbitrary file write in operator catalog image extraction

Path traversal / arbitrary file write in oc-mirror's operator catalog image extraction. When mirroring operator catalogs using either the legacy v1 path (--v1) or the OCI feature path (--use-oci-feature), oc-mirror extracts tar entries from catalog image layers without validating that file paths resolve within the intended destination directory.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Oc-mirror Redhat
Products
Oc-mirror Assisted Installer Openshift and 1 more
CVE-2026-103242

Rpm: heap-based buffer overflow write in hex2binv() via a mistyped rpmtag_filesignatures header tag

A heap-based buffer overflow flaw was found in rpm. RPMTAG_FILESIGNATURES in a crafted, unsigned RPM package's main header is declared with the wrong header type, causing hex2binv() to allocate a one-byte buffer and then write the tag's attacker-controlled, hex-decoded content — of attacker-chosen length — past the end of that allocation. This is reachable via rpm2cpio, rpm2archive, and rpm -qlvp on an untrusted package.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat Rpm
Products
Enterprise Linux Enterprise Linux Hardened Images and 4 more
CVE-2026-95520

Rpm: rpm: integer overflow in iterreadarchivenext() leads to heap-based buffer overflow when parsing untrusted rpm packages

A heap-based buffer overflow flaw was found in rpm. Parsing a symlink entry in an untrusted RPM package whose declared RPMTAG_LONGFILESIZES value is 0xFFFFFFFFFFFFFFFF causes an integer overflow in iterReadArchiveNext() that shrinks a buffer allocation to one byte, after which the payload's independently-controlled cpio filesize field is used to write attacker-controlled data past the end of that allocation. This is reachable via rpm2cpio, rpm2archive, and rpm -qlvp on an untrusted package.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat Rpm
Products
Enterprise Linux Enterprise Linux Hardened Images and 4 more
CVE-2026-88833

Busybox: busybox: udhcpc integer underflow in dhcp packet length calculation causes denial of service

A flaw was found in BusyBox's udhcpc DHCP client. When processing raw DHCP packets, the client replaces the validated packet length with an attacker-controlled value from the IP header without re-validating the minimum size. This leads to an integer underflow when subtracting header sizes, causing a subsequent memory copy with a massively oversized length. An attacker on the same network segment can send a specially crafted packet to crash the DHCP client, resulting in denial of service and loss of network connectivity.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Busybox Redhat
Products
Busybox Hummingbird Rhel Els
CVE-2026-121885

Podman: untrusted image labels allow auto-update to restart arbitrary systemd units

A flaw was found in Podman. An attacker can trigger a Denial of Service (DoS) by supplying a container image containing crafted metadata labels. Podman's auto-update mechanism improperly trusts these image labels to determine which system services to restart. If a user runs the malicious container and auto-update processes it, arbitrary system services are restarted with the user's privileges, potentially allowing an attacker to shut down the host system when Podman runs with administrative privileges.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Hummingbird Openshift
CVE-2026-92824

Libmodulemd: libmodulemd: out-of-bounds read when emitting rpm-map artifacts

A flaw was found in libmodulemd. In the module stream v2 rpm-map emission path, an inner loop incorrectly uses the count of digest algorithms as its bound instead of the number of checksums in the current digest table. Crafted modulemd v2 metadata with multiple digest types can trigger an out-of-bounds read during YAML serialization, typically causing a crash and resulting in a denial of service.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Hardened Images and 4 more
CVE-2026-92823

Libmodulemd: libmodulemd: missing decompressed-size limit when parsing compressed yaml

A flaw was found in libmodulemd. In builds with rpmio support enabled, compressed modulemd YAML is decompressed through a custom read handler that does not enforce a cumulative decompressed-size limit before parsing. An attacker who can supply a highly compressible compressed YAML file can cause excessive CPU and memory consumption, resulting in a denial of service.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Hardened Images and 4 more
CVE-2026-92822

Libmodulemd: libmodulemd: unbounded recursion when parsing nested xmd yaml

A flaw was found in libmodulemd. When parsing module metadata, the xmd field is converted into nested GVariant values through recursive YAML mapping and sequence helpers without a recursion-depth or node-count limit. An attacker who can supply crafted modulemd YAML with deeply nested xmd content can cause stack exhaustion or excessive resource consumption, resulting in a denial of service.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Hardened Images and 4 more
CVE-2026-123876

Podman: containers-common: containers-common: default seccomp af_vsock/netlink_audit deny rules bypassable via 32-bit truncation

A flaw was found in the default seccomp profile used by Podman via containers-common. Deny rules for AF_VSOCK and NETLINK_AUDIT compared socket arguments with unmasked 64-bit equality. Because the kernel truncates those int arguments to 32 bits, setting upper bits can bypass the deny rules.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Containers Red Hat Redhat
Products
Podman Enterprise Linux Enterprise Linux and 4 more
CVE-2026-112314

Krb5: mit krb5 gss-rpc client memory leak on xid mismatch retries

clnttcp_call() in lib/rpc/clnt_tcp.c in MIT Kerberos 5 (aka krb5) does not free the RPC reply verifier between retries, which allows remote attackers to cause a denial of service (memory leak in GSS-RPC client programs) by injecting RPC replies with mismatched XIDs or by triggering authentication retries.

CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Enterprise Linux Eus and 4 more
CVE-2026-120749

Dbus: dbus-daemon: dbus-daemon aborts (reply_serial != 0) when a broadcast from the driver cannot be delivered to a monitored bus

A flaw was found in D-Bus. With a privileged Monitoring client attached (for example dbus-monitor or busctl monitor), an unprivileged local user can cause dbus-daemon to abort if a driver-originated broadcast such as NameOwnerChanged or ActivatableServicesChanged cannot be delivered to a recipient (for example due to a deny rule or an exceeded outgoing message queue). Driver broadcasts still use serial 0; when delivery fails, composing the monitor error reply asserts reply_serial != 0 and aborts the daemon.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Enterprise Linux Hardened Images and 2 more
CVE-2026-109096

X.Org Server XvPutImage Negative Image Size Length Bypass

Incorrect handling of negative returns from ddQueryImageAttributes() when processing XvPutImage requests in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by authenticated X clients to crash the X server.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
X.org
Products
Xorg-x11-server Xwayland
CVE-2026-125262

FFmpeg through 9.0.2 Heap Buffer Overflow via LCEVC Enhancement Decoding

FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in libavcodec/lcevcdec.c because LCEVC output picture dimensions are not validated against the allocated frame. Attackers can embed crafted LCEVC enhancement data with differing global configurations in H.264 or HEVC streams to corrupt heap memory in decoding applications.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Ffmpeg
Products
Ffmpeg
CVE-2026-125250

FFmpeg through 9.0.2 GIF Encoder Heap Buffer Overflow via shrunk_buf Remap

FFmpeg through 9.0.2 contains a heap buffer overflow in the GIF encoder's gif_image_write_image() in libavcodec/gif.c because shrunk_buf is sized from the first frame's linesize. Attackers can supply PAL8 video whose frame linesize grows mid-stream, causing remap_frame_to_palette() to write past shrunk_buf and corrupt the heap during GIF transcoding.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Ffmpeg
Products
Ffmpeg
CVE-2026-93017

Insights-operator: gather serviceaccount has cluster-wide secret read plus nodes/proxy and cluster-reader

The `insights-operator-gather` ClusterRole grants the operator's service account read access to secrets in the core API group with no namespace or resourceNames restriction — therefore, access to every secret in every namespace in the cluster. Ref: https://github.com/openshift/insights-operator/blob/8f15e3157ff09f54ab22801f5b21da35a195cc6d/manifests/03-clusterrole.yaml#L368-L373 ``` - apiGroups: - "" resources: - secrets verbs: - get - list ``` By spawning a pod with the gather service account mounted, an attacker will be able to access any secret in any namespace. ``` spec: serviceAccountName:"gather" ```

CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Openshift Openshift Container Platform
CVE-2026-83589

Oauth-proxy: open redirect via /\ and /\t bypass in post-login redirect

A flaw was found in oauth-proxy. The application fails to properly validate the destination redirect parameter (`rd`) during post-login redirection. A remote attacker can exploit this vulnerability by enticing a user to follow a specially crafted link, resulting in the user being redirected to an arbitrary external website after authenticating. This open redirect can be leveraged to conduct phishing attacks or credential theft.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Oauth2 Proxy Project Redhat
Products
Oauth2 Proxy Openshift
CVE-2026-75888

Openshift/console: openshift/console: authenticated ssrf via helm chart url fetch

A flaw was found in the OpenShift console. An authenticated console user can exploit a Server-Side Request Forgery (SSRF) vulnerability by providing a specially crafted Helm chart URL without proper validation. This allows the user to make the console pod fetch arbitrary URLs, potentially leading to the disclosure of sensitive information through error messages or enabling blind port scanning within the cluster.

CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Openshift Openshift Container Platform