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CVE-2026-102557

Libsoup: libsoup: heap buffer overflow during websocket message reassembly

A flaw was found in libsoup. When reassembling fragmented WebSocket messages into a GByteArray, libsoup did not adequately cap total message size against the limits of the underlying buffer type. A remote peer could send fragments that caused size truncation while the implementation still used the full length, leading to heap corruption or a crash.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Gnome Libsoup Redhat
Products
Libsoup Libsoup Enterprise Linux and 7 more
CVE-2026-102555

Libsoup: libsoup: heap buffer overflow via uninitialized length in data-uri base64 decoding

A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Gnome Libsoup Redhat
Products
Libsoup Libsoup Enterprise Linux and 2 more
CVE-2026-112260

Gimp: gimp: heap out-of-bounds read in xcf text-layer parasite parsing

A flaw was found in GIMP. Opening a crafted XCF with a malformed text-layer parasite can cause a heap out-of-bounds read, disclosing adjacent heap data into layer text and causing denial of service.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Gimp Redhat
Products
Gimp Enterprise Linux Rhel Els
CVE-2026-40454

Apache IoTDB C++ client: Out-of-bounds reads in C++ client TsBlock deserializer crash client process on malformed server data

Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client. Out-of-bounds reads in IoTDB C++ client TsBlock deserializer crash client process on malformed server data. This issue affects Apache IoTDB C++ client: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10. Users are recommended to upgrade to version 2.0.10, which fixes the issue.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Iotdb C++ Client
CVE-2026-12478

Libsoup: incomplete fix for cve-2026-0716: out-of-bounds read in libsoup websocket frame processing (unmasked path)

The fix for CVE-2026-0716 (commit 6ff7ef0, libsoup 3.6.6) placed the integer overflow guard inside the if (masked) block, leaving unmasked server-to-client frames unprotected. A malicious WebSocket server can send a crafted unmasked frame with a payload length near UINT64_MAX to trigger an OOB read in a libsoup-based client when max_incoming_payload_size is set to 0.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Libsoup Red Hat Redhat
Products
Libsoup Enterprise Linux Enterprise Linux and 1 more
CVE-2026-54111

Universal Print Management Service Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 and 5 more
CVE-2026-54991

Windows USB Print Driver Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 and 5 more
CVE-2026-54996

Windows USB Print Driver Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 and 5 more
CVE-2026-49794

Windows USB Audio Class Driver Information Disclosure Vulnerability

Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.

CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more