High · published December 26, 2025
⚡ A segmentation fault lurking in libxmljs 1.0.11 is like a fuse blowing during a power surge! It could lead to a denial-of-service (DoS) attack if triggered. 🔌 Imagine a busy restaurant where a chef tries to access a recipe that's not just missing, but misfiled in a completely different section. The chaos that ensues can cause the whole kitchen to shut down, just like this vulnerability can crash your service when parsing a flawed XML document. If an attacker crafts a specific XML document and the libxmljs library attempts to parse it, the server could suffer a sudden crash, resulting in downtime for your application. This downtime could lead to lost revenue and frustrated users, making it a serious issue to address!
Imagine a busy restaurant where a chef tries to access a recipe that's not just missing, but misfiled in a completely different section. The chaos that ensues can cause the whole kitchen to shut down, just like this vulnerability can crash your service when parsing a flawed XML document. This vulnerability occurs when accessing the internal _ref property on entity_ref and entity_decl nodes in libxmljs 1.0.11, causing a segmentation fault and allowing an attacker to trigger a denial-of-service condition.
If an attacker crafts a specific XML document and the libxmljs library attempts to parse it, the server could suffer a sudden crash, resulting in downtime for your application. This downtime could lead to lost revenue and frustrated users, making it a serious issue to address! Update libxmljs to version 1.0.12 or higher as soon as possible to mitigate this vulnerability. Additionally, review your XML parsing methods for potential security weaknesses. Don't let this slip through the cracks! You've got this! Addressing this vulnerability will strengthen your defenses and keep your application running smoothly! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| libxmljs_project/libxmljs | all versions | — |