| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in LibTIFF. This issue affects some unknown processing of the file tif_read.c. The manipulation results in memory corruption. This vulnerability is identified as CVE-2020-35521. The attack can be executed remotely. There is not any exploit available.
Details
A vulnerability classified as critical has been found in LibTIFF (Image Processing Software) (version unknown). Affected is an unknown function of the file tif_read.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.
The weakness was released 03/10/2021. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2020-35521. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is 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.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Tenable (274520). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
License
Website
- Product: http://www.libtiff.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.9
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 274520
Nessus Name: Oracle Linux 8 : mingw-libtiff (ELSA-2025-19906)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/17/2020 🔍03/10/2021 🔍
03/10/2021 🔍
11/11/2025 🔍
Sources
Product: libtiff.orgAdvisory: bugzilla.redhat.com
Status: Not defined
CVE: CVE-2020-35521 (🔍)
GCVE (CVE): GCVE-0-2020-35521
GCVE (VulDB): GCVE-100-170856
Entry
Created: 03/10/2021 07:28Updated: 11/11/2025 03:17
Changes: 03/10/2021 07:28 (35), 03/29/2021 12:14 (2), 03/29/2021 12:18 (18), 11/11/2025 03:17 (16)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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