Apple macOS up to 10.12.3 tiffutil memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.12.3. It has been classified as problematic. Impacted is an unknown function of the component tiffutil. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2016-9535. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.12.3 (Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component tiffutil. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability.

The bug was discovered 11/22/2016. The weakness was shared 03/27/2017 as HT207615 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2016-9535 since 11/21/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

An out-of-bound read existed in LibTIFF versions before 4.0.7. This was addressed by updating LibTIFF in AKCmds to version 4.0.7.

The vulnerability scanner Nessus provides a plugin with the ID 97554 (Amazon Linux AMI : libtiff / compat-libtiff3 (ALAS-2017-802)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157373 (Oracle Enterprise Linux Security Update for libtiff (ELSA-2017-0225)).

Upgrading to version 10.12.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97554), SecurityFocus (BID 94484†) and CERT Bund (WID-SEC-2025-2307). The entries VDB-93746, VDB-93747, VDB-93748 and VDB-93749 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Microsoft Windows 11
  • Microsoft Windows Server
  • Microsoft Windows Server 2016
  • Microsoft Windows 10
  • Microsoft Windows Server 2019
  • Microsoft Windows
  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2025

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

ADP CISA Base Score: 9.8
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97554
Nessus Name: Amazon Linux AMI : libtiff / compat-libtiff3 (ALAS-2017-802)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800864
OpenVAS Name: CentOS Update for libtiff CESA-2017:0225 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 10.12.4
Patch: github.com

Timelineinfo

11/21/2016 🔍
11/22/2016 +1 days 🔍
11/22/2016 +0 days 🔍
11/22/2016 +0 days 🔍
03/07/2017 +105 days 🔍
03/27/2017 +20 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
05/30/2026 +3349 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207615
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9535 (🔍)
GCVE (CVE): GCVE-0-2016-9535
GCVE (VulDB): GCVE-100-98719

OVAL: 🔍

SecurityFocus: 94484 - RETIRED: LibTIFF Multiple Security Vulnerabilites
OSVDB: - CVE-2016-9535 - libtiff - Buffer Overflow Issue
CERT Bund: WID-SEC-2025-2307 - Microsoft Windows: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 03/28/2017 11:27
Updated: 05/30/2026 01:39
Changes: 03/28/2017 11:27 (79), 08/21/2020 16:24 (6), 11/20/2022 14:48 (5), 10/16/2025 06:56 (21), 10/27/2025 08:57 (1), 10/28/2025 02:55 (2), 05/30/2026 01:39 (12)
Complete: 🔍
Cache ID: 216::103

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