CVE-2026-102633

Published: Set 29, 2026 Last Modified: Set 29, 2026

ExploitDB:

Other exploit source:

Google Dorks:

HIGH 8,2

Source: [email protected]

Attack Vector: network

Attack Complexity: high

Privileges Required: none

User Interaction: none

Confidentiality: N/A

Integrity: N/A

Availability: N/A

MEDIUM 5,9

Source: [email protected]

Attack Vector: network

Attack Complexity: high

Privileges Required: none

User Interaction: none

Scope: unchanged

Confidentiality: none

Integrity: none

Availability: high

Description

AI Translation Available

libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expat_realloc() function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or denial of service.

190

Integer Overflow or Wraparound

Stable

Abstraction: Base Structure: Simple

Common Consequences

Security Scopes Affected:

Availability Integrity Confidentiality Access Control Other

Potential Impacts:

Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Memory) Dos: Instability Modify Memory Execute Unauthorized Code Or Commands Bypass Protection Mechanism Alter Execution Logic Dos: Resource Consumption (Cpu)