High Β· published November 26, 2025
β‘ A miscalculation in buffer size is opening the door to a heap of trouble! The `g_escape_uri_string()` function in glib has a sneaky buffer overflow vulnerability just waiting to be exploited. π₯ Think of it like a crowded restaurant where the chef misjudges the number of plates needed β he keeps trying to stack one on top of another, and soon enough, theyβre spilling over the edge! This buffer overflow occurs when the function tries to handle a string with too many unacceptable characters, leading to a messy situation. An attacker could potentially manipulate this vulnerability to write data beyond the allocated memory space, which may lead to unexpected behavior, crashes, or even arbitrary code execution in the worst-case scenario! This could be absolutely devastating for any application relying on glib for safe string escaping.
Think of it like a crowded restaurant where the chef misjudges the number of plates needed β he keeps trying to stack one on top of another, and soon enough, theyβre spilling over the edge! This buffer overflow occurs when the function tries to handle a string with too many unacceptable characters, leading to a messy situation. This heap-based buffer overflow is caused by an incorrect calculation of the buffer size in the `g_escape_uri_string()` function, allowing potentially harmful data to overflow and write off the end of the allocated string.
An attacker could potentially manipulate this vulnerability to write data beyond the allocated memory space, which may lead to unexpected behavior, crashes, or even arbitrary code execution in the worst-case scenario! This could be absolutely devastating for any application relying on glib for safe string escaping. Update glib to the latest version where this issue has been addressed. Review your code to ensure proper input validation is in place, especially for strings that may require escaping. Regularly audit your dependencies to catch such vulnerabilities early! You've got this! A timely update and some good coding practices can secure your applications. π‘οΈ
| Product | Versions | Fixed in |
|---|---|---|
| redhat/codeready_linux_builder | all versions | β |
| redhat/codeready_linux_builder_for_ibm_z_systems | all versions | β |
| redhat/codeready_linux_builder_for_power_little_endian | all versions | β |
| redhat/codeready_linux_builder_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_arm_64 | all versions | β |
| redhat/enterprise_linux_for_ibm_z_systems | all versions | β |
| redhat/enterprise_linux_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_for_x86_64 | all versions | β |
| redhat/codeready_linux_builder_for_arm64 | all versions | β |
| redhat/codeready_linux_builder_for_ibm_z_systems | all versions | β |
| redhat/codeready_linux_builder_for_power_little_endian | all versions | β |
| redhat/codeready_linux_builder_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_arm_64 | all versions | β |
| redhat/enterprise_linux_for_ibm_z_systems | all versions | β |
| redhat/enterprise_linux_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_for_x86_64 | all versions | β |
| redhat/codeready_linux_builder_for_arm64 | all versions | β |
| redhat/codeready_linux_builder_for_ibm_z_systems | all versions | β |
| redhat/codeready_linux_builder_for_power_little_endian | all versions | β |
| redhat/codeready_linux_builder_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_arm_64 | all versions | β |
| redhat/enterprise_linux_for_ibm_z_systems | all versions | β |
| redhat/enterprise_linux_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_arm_64 | all versions | β |
| redhat/enterprise_linux_for_ibm_z_systems | all versions | β |
| redhat/enterprise_linux_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_for_x86_64 | all versions | β |
| redhat/enterprise_linux_server_aus | all versions | β |
| redhat/codeready_linux_builder_for_arm64_eus | all versions | β |
| redhat/codeready_linux_builder_for_ibm_z_systems | all versions | β |
| redhat/codeready_linux_builder_for_power_little_endian | all versions | β |
| redhat/codeready_linux_builder_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_arm_64 | all versions | β |
| redhat/enterprise_linux_for_ibm_z_systems | all versions | β |
| redhat/enterprise_linux_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_x86_64_eus | all versions | β |
| redhat/enterprise_linux_server_aus | all versions | β |
| redhat/enterprise_linux_server_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_server_for_power_little_endian_eus | all versions | β |
| redhat/codeready_linux_builder_for_arm64_eus | all versions | β |
| redhat/codeready_linux_builder_for_ibm_z_systems_eus | all versions | β |
| redhat/codeready_linux_builder_for_power_little_endian_eus | all versions | β |
| redhat/codeready_linux_builder_for_x86_64_eus | all versions | β |
| redhat/enterprise_linux_for_arm_64_eus | all versions | β |
| redhat/enterprise_linux_for_ibm_z_systems_eus | all versions | β |
| redhat/enterprise_linux_for_power_little_endian_eus | all versions | β |
| redhat/enterprise_linux_for_x86_64_eus | all versions | β |
| redhat/enterprise_linux_server_for_power_little_endian | all versions | β |
| redhat/codeready_linux_builder_for_arm64 | all versions | β |
| redhat/codeready_linux_builder_for_ibm_z_systems | all versions | β |
| redhat/codeready_linux_builder_for_power_little_endian | all versions | β |
| redhat/codeready_linux_builder_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_arm_64 | all versions | β |
| redhat/enterprise_linux_for_ibm_z_systems | all versions | β |
| redhat/enterprise_linux_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_for_power_little_endian_eus | all versions | β |
| redhat/enterprise_linux_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_x86_64_eus | all versions | β |
| redhat/enterprise_linux_server_aus | all versions | β |
| redhat/enterprise_linux_server_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_x86_64_eus | all versions | β |
| redhat/enterprise_linux_server_aus | all versions | β |
| redhat/enterprise_linux_server_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_server_tus | all versions | β |
| redhat/enterprise_linux_for_x86_64 | all versions | β |
| redhat/enterprise_linux_for_x86_64_eus | all versions | β |
| redhat/enterprise_linux_server_for_power_little_endian | all versions | β |
| redhat/enterprise_linux_server_tus | all versions | β |
| redhat/enterprise_linux_for_x86_64_eus | all versions | β |
| redhat/enterprise_linux_server_aus | all versions | β |
| redhat/enterprise_linux_server_aus | all versions | β |
| redhat/ceph_storage | all versions | β |
| redhat/discovery | all versions | β |
| gnome/glib | < 2.86.3 | 2.86.3 |
| redhat/openshift_container_platform | all versions | β |
| redhat/openshift_container_platform | all versions | β |
| redhat/openshift_container_platform | all versions | β |
| redhat/openshift_container_platform | all versions | β |
| redhat/openshift_container_platform | all versions | β |
| redhat/openshift_container_platform_for_arm64 | all versions | β |
| redhat/openshift_container_platform_for_arm64 | all versions | β |
| redhat/openshift_container_platform_for_arm64 | all versions | β |
| redhat/openshift_container_platform_for_arm64 | all versions | β |
| redhat/openshift_container_platform_for_arm64 | all versions | β |
| redhat/openshift_container_platform_for_ibm_z | all versions | β |
| redhat/openshift_container_platform_for_ibm_z | all versions | β |
| redhat/openshift_container_platform_for_ibm_z | all versions | β |
| redhat/openshift_container_platform_for_ibm_z | all versions | β |
| redhat/openshift_container_platform_for_ibm_z | all versions | β |
| redhat/openshift_container_platform_for_linuxone | all versions | β |
| redhat/openshift_container_platform_for_linuxone | all versions | β |
| redhat/openshift_container_platform_for_linuxone | all versions | β |
| redhat/openshift_container_platform_for_linuxone | all versions | β |
| redhat/openshift_container_platform_for_linuxone | all versions | β |
| redhat/openshift_container_platform_for_power | all versions | β |
| redhat/openshift_container_platform_for_power | all versions | β |
| redhat/openshift_container_platform_for_power | all versions | β |
| redhat/openshift_container_platform_for_power | all versions | β |
| redhat/openshift_container_platform_for_power | all versions | β |