CVE-2026-13732: Red Hat Cost Management On-Premise 1

High severity, CVSS 7.0. EPSS: 0.1% chance of exploitation in the next 30 days.

A flaw was found in GDB's STABS debug format parser. The read_member_functions() function in gdb/stabsread.c contains a linked list removal bug in the code that separates destructor and non-destructor member functions of C++ classes. The bug causes the destructor entries to remain in the main function list while the list length counter is decremented, resulting in an out-of-bounds write when the function list is copied to its final allocated array. An attacker can craft an ELF binary with malicious .stab and .stabstr sections that triggers this out-of-bounds write when a user opens the file in GDB and performs any symbol-inspection operation such as setting a breakpoint. The inferior process does not need to be executed. Under controlled conditions, this was demonstrated to achieve execution of arbitrary commands within the GDB process.

Affected products

• Red Hat Red Hat Cost Management On-Premise 1: before 1791460851 (fixed in 1791460851)
• Red Hat Red Hat Enterprise Linux 10: before 0:16.3-3.1.el10_2 (fixed in 0:16.3-3.1.el10_2)
• Red Hat Red Hat Enterprise Linux 6
• Red Hat Red Hat Enterprise Linux 7
• Red Hat Red Hat Enterprise Linux 8: before 0:8.2-20.1.el8_10 (fixed in 0:8.2-20.1.el8_10)
• Red Hat Red Hat Enterprise Linux 9: before 0:16.3-3.1.el9_8 (fixed in 0:16.3-3.1.el9_8)
• Red Hat Red Hat Hardened Images

Published 2026-08-31. Last modified 2026-10-09.