Apple Multiple Products Memory Corruption Vulnerability
Apple — iOS and iPadOS
A memory corruption issue was addressed with improved bounds checking. This issue is fixed in iOS 18.4.1 and iPadOS 18.4.1, macOS Sequoia 15.4.1, tvOS 18.4.1, visionOS 2.4.1, watchOS 11.5. Processing an audio stream in a maliciously crafted media file may result in code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS released before iOS 18.4.1.
9.8
19.7%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Apr 16, 2025
- Modified
- Jun 17, 2026
- Added to KEV
- Apr 17, 2025
- Federal patch due
- May 8, 2025
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Weakness classification
Affected packages
Proof-of-concept & exploitation references
4 foundWeaponization
Public repositories whose name or description references CVE-2025-31200, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
- JGoyd/iOS-Attack-Chain-CVE-2025-31200-CVE-2025-31201★ 206
CVE-2025-31200 is a zero-day, zero-click RCE in iOS CoreAudio’s AudioConverterService, triggered by a malicious audio file via iMessage/SMS. Exploitation bypassed Blastdoor, enabled kernel escalation (CVE-2025-31201), and allowed token theft until patched in iOS 18.4.1 (Apr 16, 2025).
updated Oct 13, 2026
- zhuowei/apple-positional-audio-codec-invalid-header★ 114
CVE-2025-31200 - @Noahhw46 figured it out
updated Oct 5, 2026
- hunters-sec/CVE-2025-31200★ 12
IOS audio buffer overflow CVE-2025-31200 POC
updated Sep 9, 2026
- serundengsapi/CVE-2025-31200-iOS-AudioConverter-RCE★ 2
Public disclosure of CVE-2025-31200 – Zero-click RCE in iOS 18.X via AudioConverterService and malicious audio file.
updated Apr 14, 2026
References
Frequently asked questions
What is CVE-2025-31200?
A memory corruption issue was addressed with improved bounds checking. This issue is fixed in iOS 18.4.1 and iPadOS 18.4.1, macOS Sequoia 15.4.1, tvOS 18.4.1, visionOS 2.4.1, watchOS 11.5. Processing an audio stream in a maliciously crafted media file may result in code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS released before iOS 18.4.1.
How severe is CVE-2025-31200?
CVE-2025-31200 has a CVSS base score of 9.8 out of 10 (CVSS 3.1).
Is CVE-2025-31200 actively exploited in the wild?
Yes. CVE-2025-31200 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Apr 17, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2025-31200?
19.7% - meaning FIRST.org's EPSS model estimates a 19.7% probability this vulnerability will be exploited in the wild within 30 days (97% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2025-31200?
We found 4 public GitHub repositories referencing CVE-2025-31200, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
What type of vulnerability is CVE-2025-31200?
CVE-2025-31200 is classified under CWE-119 (CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer).
Cross-checked against
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