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CVE-2026-125260

FFmpeg through 9.0.2 Heap Buffer Overflow in EXR Encoder RLE Path

FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in libavcodec/exrenc.c that allows attackers to corrupt heap memory when encode_scanline_rle() processes frames taller than the encoder height. Attackers can supply crafted input whose resolution grows mid-stream, transcoded to OpenEXR with RLE compression, to write pointers past the scanline array and crash the application.

CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
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CVE-2026-125204

FFmpeg through 9.0.2 Heap Buffer Overflow in libwebp Encoder Conditional Replenishment

FFmpeg through 9.0.2 contains a heap buffer overflow in ff_libwebp_get_frame() in libwebpenc_common.c that lets attackers corrupt memory when cr_threshold is set. Attackers can supply crafted media that increases resolution mid-stream, causing memcpy() to write pixel data past the stale reference frame and crash applications.

CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
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CVE-2026-125212

FFmpeg through 9.0.2 Heap Buffer Overflow via VideoToolbox Encoder

FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in libavcodec/videotoolboxenc.c that copies frames larger than encoder dimensions into undersized CVPixelBuffers. Attackers can supply crafted input whose resolution grows mid-stream, transcoded with VideoToolbox encoders without rescaling, to crash the application or corrupt memory.

CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
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CVE-2026-125196

FFmpeg through 9.0.2 Heap Buffer Overflow via liboapv APV Encoder Wrapper

FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in liboapve_encode() in libavcodec/liboapvenc.c that allows attackers to corrupt heap memory by supplying frames larger than the configured encoder dimensions. Attackers can craft videos whose resolution changes mid-stream so that transcoding to APV without rescaling writes attacker-controlled pixel data past the imgb plane buffers.

CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
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CVE-2026-125235

FFmpeg through 9.0.2 Heap Overflow via QSV Encoder submit_frame()

FFmpeg through 9.0.2 contains a heap overflow vulnerability in libavcodec/qsvenc.c that allows attackers to corrupt memory by reusing an undersized pooled QSVFrame buffer when input dimensions increase. Attackers can supply crafted input whose resolution grows mid-stream, transcoded with Intel Quick Sync encoders without rescaling, to crash the application or corrupt heap memory.

CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
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CVE-2026-73013

Windows Imaging Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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CVE-2026-69592

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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CVE-2026-68880

Windows Win32k Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.

CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
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CVE-2026-91760

Heap-based Buffer Overflow Vulnerability in Hitachi Dynamic Link Manager for Linux

Heap-based Buffer Overflow Vulnerability in Hitachi Dynamic Link Manager for Linux. This issue affects Hitachi Dynamic Link Manager for Linux: from 7.5.0-00 before 9.0.5-00.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
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CVE-2026-109797

Cross-tenant sandbox takeover in SAP/astonish

In SAP/astonish, an authenticated user could potentially identify and operate on another team�s sandbox containers because of improper tenant isolation in the legacy Incus sandbox-management API handlers. The affected handlers did not use the tenant-aware session lookup path, allowing cross-tenant container operations such as listing, exposing or proxying, and deleting containers.The issue affects only the legacy Incus backend. Kubernetes and OpenShell deployments are not affected because the relevant Incus-specific handlers are unavailable there.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
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CVE-2025-14087

Glib: glib: buffer underflow in gvariant parser leads to heap corruption

A flaw was found in GLib (Gnome Lib). This vulnerability allows a remote attacker to cause heap corruption, leading to a denial of service or potential code execution via a buffer-underflow in the GVariant parser when processing maliciously crafted input strings.

CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
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CVE-2026-126050

apitrace 2.0 through 14.0 Heap Buffer Overflow via SnappyFile::flushReadCache()

apitrace 2.0 through 14.0 contains a heap-based buffer overflow in SnappyFile::flushReadCache() that allows attackers to write past m_compressedCache via an oversized compressed chunk length. Attackers can supply a crafted .trace file whose 4-byte chunk length exceeds the fixed buffer size, corrupting heap memory when users dump, inspect, or replay it.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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CVE-2026-116785

FreeSWITCH: Pre-authentication heap out-of-bounds write in mod_xml_rpc WebSocket frame length handling

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to 1.11.2, ws_read_frame() decoded a WebSocket frame's 64-bit extended payload length with a 32-bit byte swap and narrowed the result into a signed length. A value whose surviving low word became negative bypassed the signed size check and was reinterpreted as an enormous unsigned count, causing client bytes to overwrite memory beyond the 64 KiB receive buffer. Any client completing a /socket WebSocket upgrade on an enabled mod_xml_rpc endpoint reached the parser before HTTP authentication; both the module and WebSocket endpoint are disabled by default. The heap overwrite can corrupt connection pointers and crash FreeSWITCH, ending every concurrent session, although remote code execution has not been demonstrated. This issue is fixed in version 1.11.2.

CVSS 3.1 · 9.1 Critical EPSS 1.1% KEV · Not listed
CVE-2026-116788

FreeSWITCH: Pre-authentication heap buffer overflow in core XML empty-entity decoding

FreeSWITCH is an open-source software telecommunications platform. Before version 1.11.2, an integer underflow in  switch_xml_decode()  can cause an undersized heap allocation when an XML document declares an entity with an empty replacement value. Subsequent copying overruns the allocated buffer. An unauthenticated attacker who can reach a SIP profile with presence management enabled and DTD processing permitted can trigger the vulnerability through a crafted SIP PUBLISH request. Exploitation can corrupt heap memory and terminate the FreeSWITCH process, interrupting all active calls. This vulnerability is fixed in version 1.11.2.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
CVE-2026-58871

In set_type4_frame_classifier of sta_iface.cpp, there is a possible memory safety issue due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
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CVE-2026-58995

Heap Buffer Overflow in ZipFileRO.cpp Enables Local Privilege Escalation

In getEntryFileName of ZipFileRO.cpp, there is a possible memory safety issue due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
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CVE-2026-63540

Heap-based buffer overflow for some Hyperscan before version v5.4.2.1 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires passive user interaction. The potential vulnerability may impact the confidentiality (none), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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