EUVD-2026-33444

iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, the Avro array and map decoders looped over an attacker-controlled block-count value without checking the underlying reader's error state inside the loop body. Reader.ReadBlockHeader returns the count as a Go int, which is 64-bit on amd64 ...

CVE-2026-46385 iskorotkov/avro: CPU Exhaustion in Avro Decoder

iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, the Avro array and map decoders looped over an attacker-controlled block-count value without checking the underlying reader's error state inside the loop body. Reader.ReadBlockHeader returns the count as a Go int, which is 64-bit on amd64 ...

CVE-2026-46385

Summary (CVE-2026-46385) iskorotkov/avro’s Go Avro decoder can trigger remote, unauthenticated CPU exhaustion by looping up to math.MaxInt64 iterations when decoding large attacker-controlled block counts, because inner loops did not check the reader’s error state after each decode. Affected: git...

CVE-2026-46385 iskorotkov/avro: CPU Exhaustion in Avro Decoder

iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, the Avro array and map decoders looped over an attacker-controlled block-count value without checking the underlying reader's error state inside the loop body. Reader.ReadBlockHeader returns the count as a Go int, which is 64-bit on amd64 ...

CVE-2026-46384 iskorotkov/avro: Integer Overflow in Avro Decoder

iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets...

EUVD-2026-33443

iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets...

CVE-2026-46384

iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets...

CVE-2026-46384 iskorotkov/avro: Integer Overflow in Avro Decoder

iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets...

CVE-2026-46384

CVE-2026-46384 affects iskorotkov/avro (Go) prior to v2.33.0. The root causes are integer overflow and narrowing in Avro decoding paths, including: ReadBlockHeader narrowing on 32-bit targets; cumulative size overflow in arrayDecoder.Decode / mapDecoder.Decode / mapDecoderUnmarshaler.Decode; MinI...

CVE-2026-46384 iskorotkov/avro: Integer Overflow in Avro Decoder

iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets...

Avro 资源管理错误漏洞

Avro is a fast Go Avro decoder developed by hamba. Versions prior to 2.33.0 contained a resource management vulnerability. This vulnerability stemmed from the Avro array and mapping decoders’ tendency to loop through a counter controlled by the attacker without checking the error status of the...

Avro 输入验证错误漏洞

Avro is a fast Go Avro decoder developed by hamba. Versions prior to Avro 2.33.0 contained a vulnerability related to input validation errors. This vulnerability stemmed from multiple Avro decoder paths reading 64-bit values controlled by an attacker and truncating or using overflow signed intege...

Integer Overflow

github.com/iskorotkov/avro is vulnerable to integer overflow. The vulnerability is due to improper handling of attacker-controlled 64-bit values, integer truncation, and overflow-prone arithmetic in multiple decoder paths, which allows an attacker to exploit untrusted Avro streams to trigger...

iskorotkov/avro: CPU Exhaustion in Decoder

CPU Exhaustion in Avro Decoder via Unbounded Block-Count Iteration Summary The Avro array and map decoders looped over an attacker-controlled block-count value without checking the underlying reader's error state inside the loop body. Reader.ReadBlockHeader returns the count as a Go int, which is...

GHSA-W8J3-PQ8G-8M7W iskorotkov/avro: CPU Exhaustion in Decoder

CPU Exhaustion in Avro Decoder via Unbounded Block-Count Iteration Summary The Avro array and map decoders looped over an attacker-controlled block-count value without checking the underlying reader's error state inside the loop body. Reader.ReadBlockHeader returns the count as a Go int, which is...

iskorotkov/avro: Integer Overflow in Decoder

Integer Overflow in Avro Decoder Summary Several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets GOARCH=386, arm, mips,...

GHSA-MC57-H6J3-3HMV iskorotkov/avro: Integer Overflow in Decoder

Integer Overflow in Avro Decoder Summary Several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets GOARCH=386, arm, mips,...

GHSA-MX64-MJ3Q-7PRJ iskorotkov/avro: Denial-of-Service Vulnerability in Decoder

Memory Exhaustion via Unbounded Map Allocations in Avro Decoder Summary The Avro map decoder accepted attacker-controlled block-element counts from the wire format and grew the destination map without enforcing an upper bound. The slice decoder already had Config.MaxSliceAllocSize for the...

iskorotkov/avro: Denial-of-Service Vulnerability in Decoder

Memory Exhaustion via Unbounded Map Allocations in Avro Decoder Summary The Avro map decoder accepted attacker-controlled block-element counts from the wire format and grew the destination map without enforcing an upper bound. The slice decoder already had Config.MaxSliceAllocSize for the...

PT-2026-41799

Name of the Vulnerable Software and Affected Versions iskorotkov/avro versions prior to 2.33.0 github.com/hamba/avro/v2 versions prior to 2.32.0 Description Several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before...