LibTIFF TIFF2PDF heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in LibTIFF and classified as critical. The impacted element is an unknown function of the component TIFF2PDF. Performing a manipulation results in heap-based overflow. This vulnerability is cataloged as CVE-2020-35524. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in LibTIFF (Image Processing Software) (the affected version unknown). This affects an unknown part of the component TIFF2PDF. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 03/10/2021. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2020-35524. 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 vulnerability scanner Nessus provides a plugin with the ID 274520 (Oracle Linux 8 : mingw-libtiff (ELSA-2025-19906)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at gitlab.com.

The vulnerability is also documented in the vulnerability database at Tenable (274520). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 274520
Nessus Name: Oracle Linux 8 : mingw-libtiff (ELSA-2025-19906)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.com

Timelineinfo

12/17/2020 🔍
03/10/2021 +83 days 🔍
03/10/2021 +0 days 🔍
11/11/2025 +1707 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-35524 (🔍)
GCVE (CVE): GCVE-0-2020-35524
GCVE (VulDB): GCVE-100-170859

Entryinfo

Created: 03/10/2021 07:30
Updated: 11/11/2025 03:36
Changes: 03/10/2021 07:30 (37), 03/29/2021 12:47 (2), 03/29/2021 12:51 (18), 11/11/2025 03:36 (22)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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