io.netty/netty-codec-http: Netty: Memory exhaustion in netty-codec-http (decompression bomb)

A flaw was found in the Netty netty-codec-http component. A remote attacker can send HTTP requests containing highly compressed data. The HTTP decoder in netty-codec-http fails to properly limit the decompression of this content, causing the system to consume excessive memory. This can lead to...

Netty: [SpdyHttpDecoder] ByteBuf Reference Leak on RST_STREAM Leads to Native Memory Exhaustion

The SpdyHttpDecoder handler in Netty's SPDY-to-HTTP codec allocates a pooled ByteBuf when processing a client-initiated SYNSTREAM frame with FLAGFIN=0, storing the partially-constructed FullHttpRequest in an internal map messageMap to accumulate subsequent DATA frames. When the remote peer sends ...

Allocation of Resources Without Limits or Throttling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the SpdyHttpDecoder. An attacker can...

CVE-2026-56745 Netty SpdyHttpDecoder: ByteBuf Reference Leak on RST_STREAM Leads to Native Memory Exhaustion

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, the SpdyHttpDecoder handler in Netty's SPDY-to-HTTP codec allocates a pooled ByteBuf when processing a client-initiated...

CVE-2025-20360

Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart. This vulnerability is due to a lack of complete error checking when the MIME fields of the HTTP header are...

EUVD-2025-34665

Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the disclosure of possible sensitive data or cause the Snort 3 Detection Engine to crash. This vulnerability is due to an error in the logic of buffer...

CVE-2025-20360 Multiple Cisco Products Snort 3 MIME Denial of Service Vulnerability

Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart. This vulnerability is due to a lack of complete error checking when the MIME fields of the HTTP header are...

CVE-2025-20359 Multiple Cisco Products Snort 3 MIME Information Disclosure or Denial of Service Vulnerability

Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the disclosure of possible sensitive data or cause the Snort 3 Detection Engine to crash. This vulnerability is due to an error in the logic of buffer...

CVE-2025-20359

CVE-2025-20359 affects multiple Cisco products via the Snort 3 HTTP Decoder/MIME handling. The root cause is a buffer under-read caused by flawed parsing of HTTP header MIME fields, which can be triggered by crafted HTTP packets processed by Snort 3. Potential outcomes verified in the sources inc...

CVE-2025-20359 Multiple Cisco Products Snort 3 MIME Information Disclosure or Denial of Service Vulnerability

Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the disclosure of possible sensitive data or cause the Snort 3 Detection Engine to crash. This vulnerability is due to an error in the logic of buffer...

Cisco IOS XE Software 安全漏洞

Cisco IOS XE Software is a network operating system from Cisco. A security vulnerability exists in Cisco IOS XE Software that originates from a buffer handling logic error in the HTTP decoder when parsing the MIME field of the HTTP header, which could lead to a buffer under-read attack or sensiti...

Multiple Cisco Products Snort 3 MIME DoS Vulnerabilities (cisco-sa-snort3-mime-vulns-tTL8PgVH_CVE-2025-20359)

According to its self-reported version, Cisco ASA Software is affected by a vulnerability. - Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the disclosure of possible sensitive data or cause the Sno...

PT-2025-42382

Name of the Vulnerable Software and Affected Versions Cisco Snort 3 affected versions not specified Description A flaw exists in the Snort 3 HTTP Decoder that may allow a remote, unauthenticated attacker to disrupt service. The issue stems from insufficient error checking during the parsing of HT...

netty-codec-http: Allocation of Resources Without Limits or Throttling

A flaw was found in the io.netty:netty-codec-http package. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling issues due to the accumulation of data in the HttpPostRequestDecoder. The decoder cumulates bytes in the undecodedChunk buffer until ...

netty-codec-http: Allocation of Resources Without Limits or Throttling

A flaw was found in the io.netty:netty-codec-http package. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling issues due to the accumulation of data in the HttpPostRequestDecoder. The decoder cumulates bytes in the undecodedChunk buffer until ...

PT-2022-37284 · Git +1 · Swiftnio

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: The issue is related to a crash type identified as Invalid-free. It involves the NIOHTTP1.HTTPDecoder.didFinishHead function and a protocol witness for...