CVE-2026-116732 libdwarf through 2.3.3 Heap Out-of-Bounds Read via dwarf_debug_addr_table

Medium 4.8 Published 26 Oct 2026 Updated 26 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-116732?

CVE-2026-116732 is a medium-severity vulnerability in davea42 libdwarf, published on 26 Oct 2026.

Official description

libdwarf through 2.3.3 contains a heap out-of-bounds read vulnerability in dwarf_debug_addr_table() that omits the table starting offset when validating .debug_addr unit length. Attackers can supply a crafted object file with a non-zero offset table, causing dwarf_debug_addr_by_index() to read past the heap buffer, disclosing adjacent heap bytes or crashing consumers.

Weakness: CWE-125

Which versions are affected by CVE-2026-116732?

How do I fix CVE-2026-116732?

No fix has been published for CVE-2026-116732 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-116732 being exploited?

There is no known exploitation of CVE-2026-116732 in the wild and no public exploit code.

Sources

Also known as AZL-111131, DEBIAN-CVE-2026-116732, GHSA-8mx3-4rwx-rhjv.