CVE-2026-44500 ZEBRA: Allocation Amplification in Inbound Network Deserializers

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.4.0, prior to zebra-chain version 7.0.0, and prior to zebra-network version 6.0.0, several inbound deserialization paths in Zebra allocated buffers sized against generic transport or block-size ceilings before the tighter...

Zebra Vulnerable to Allocation Amplification in Inbound Network Deserializers

CVE-2026-44500: Allocation Amplification in Inbound Network Deserializers Summary Several inbound deserialization paths in Zebra allocated buffers sized against generic transport or block-size ceilings before the tighter protocol or consensus limits were enforced. An unauthenticated or...

GHSA-438Q-JX8F-CCCV Zebra Vulnerable to Allocation Amplification in Inbound Network Deserializers

CVE-2026-44500: Allocation Amplification in Inbound Network Deserializers Summary Several inbound deserialization paths in Zebra allocated buffers sized against generic transport or block-size ceilings before the tighter protocol or consensus limits were enforced. An unauthenticated or...

CoreDNS DoH GET path missing size validation causes CPU and memory amplification

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Improper Handling of Highly Compressed Data (Data Amplification)

Overview io.netty:netty-codec is an event-driven asynchronous network application framework. Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification in the HttpContentDecompressor and DelegatingDecompressorFrameListener components when th...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview io.netty:netty-codec-http2 is a HTTP2 sub package for the netty library, an event-driven asynchronous network application framework. Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification in the HttpContentDecompressor and...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification in the HttpContentDecompressor and DelegatingDecompressorFrameListener components when the Content-Encoding header is set to br, zstd, or snappy. An attacker can exhaust...

PT-2026-38620

CVE-2026-44500: Allocation Amplification in Inbound Network Deserializers Summary Several inbound deserialization paths in Zebra allocated buffers sized against generic transport or block-size ceilings before the tighter protocol or consensus limits were enforced. An unauthenticated or...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview exifreader is a Library that parses Exif metadata in images. Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification due to decompressing PNG zTXt metadata without enforcing a built-in maximum decompressed output size. When...

phpseclib has a CVE-2024-27355 mitigation bypass — OID amplification DoS in ASN1::decodeOID()

Impact Anyone loading untrusted ASN1 files eg. X509 certificates, RSA PKCS8 private or public keys, etc Patches https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc Workarounds No. References...

GHSA-3QPQ-R242-JQJ7 phpseclib has a CVE-2024-27355 mitigation bypass — OID amplification DoS in ASN1::decodeOID()

Impact Anyone loading untrusted ASN1 files eg. X509 certificates, RSA PKCS8 private or public keys, etc Patches https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc Workarounds No. References...

CVE-2026-28221

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.8.0 to before version 4.14.4, a stack-based buffer overflow exists in printhexstring in wazuh-remoted. The bug is triggered when formatting attacker-controlled bytes using sprintfdstbuf +...

CVE-2026-28221 Wazuh: Pre-auth stack-based buffer overflow in wazuh-remoted print_hex_string() due to signed char promotion on x86_64

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.8.0 to before version 4.14.4, a stack-based buffer overflow exists in printhexstring in wazuh-remoted. The bug is triggered when formatting attacker-controlled bytes using sprintfdstbuf +...

CVE-2026-28221

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.8.0 to before version 4.14.4, a stack-based buffer overflow exists in printhexstring in wazuh-remoted. The bug is triggered when formatting attacker-controlled bytes using sprintfdstbuf +...

EUVD-2026-26270

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.8.0 to before version 4.14.4, a stack-based buffer overflow exists in printhexstring in wazuh-remoted. The bug is triggered when formatting attacker-controlled bytes using sprintfdstbuf +...

CVE-2026-28221

CVE-2026-28221 – Wazuh pre-auth stack-based buffer overflow is confirmed in wazuh-remoted’s print_hex_string(). From versions 4.8.0 to before 4.14.4, attacker-controlled bytes are formatted with sprintf(dst_buf + 2*i, "%.2x", src_buf[i]) on signed-char platforms, causing sign-extension and an out...

Wazuh 安全漏洞

Wazuh is an open-source application developed by Wazuh. It is used for collecting, summarizing, indexing, and analyzing security data, helping organizations detect intrusions, threats, and abnormal behaviors. Versions of Wazuh from 4.8.0 to 4.14.4 contained security vulnerabilities. These...

PT-2026-35966

Name of the Vulnerable Software and Affected Versions Wazuh versions 4.8.0 through 4.14.3 Description A stack-based buffer overflow exists in the print hex string function within wazuh-remoted. This occurs when formatting attacker-controlled bytes using sprintf on platforms where char is treated ...

CVE-2026-42255

Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation...

firefox: thunderbird: expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing

A memory amplification vulnerability in libexpat allows attackers to trigger excessive dynamic memory allocations by submitting specially crafted XML input. A small input 250 KiB can cause the parser to allocate hundreds of megabytes, leading to denial-of-service DoS through memory exhaustion...