LibTIFF rgb2ycbcr cvtRaster integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k1.60

Summaryinfo

A vulnerability, which was classified as critical, has been found in LibTIFF. The affected element is the function cvtRaster of the component rgb2ycbcr. The manipulation leads to integer overflow. This vulnerability is traded as CVE-2026-52492. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in LibTIFF (affected version unknown). It has been rated as critical. This issue affects the function cvtRaster of the component rgb2ycbcr. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image

The advisory is shared at gitlab.com. The identification of this vulnerability is CVE-2026-52492 since 06/08/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

Applying the patch 94affc5cf54111312f9891eb77accb93eebc28d7 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-65145). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 94affc5cf54111312f9891eb77accb93eebc28d7

Timelineinfo

06/08/2026 CVE reserved
08/24/2026 +77 days Advisory disclosed
08/24/2026 +0 days VulDB entry created
08/25/2026 +0 days VulDB entry last update

Sourcesinfo

Product: libtiff.org

Advisory: gitlab.com
Status: Confirmed

CVE: CVE-2026-52492 (🔒)
GCVE (CVE): GCVE-0-2026-52492
GCVE (VulDB): GCVE-100-394829
EUVD: 🔒

Entryinfo

Created: 08/24/2026 22:54
Updated: 08/25/2026 00:20
Changes: 08/24/2026 22:54 (54), 08/25/2026 00:20 (1)
Complete: 🔍
Cache ID: 216::103

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