libsixel 1.8.4 fromgif.c gif_out_code memory corruption

A vulnerability was found in libsixel 1.8.4. It has been rated as critical. This issue affects the function gif_out_code of the file fromgif.c. The manipulation with an unknown input leads to a memory corruption vulnerability (Heap-based). Using CWE to declare the problem leads to CWE-122. Impacted is confidentiality, integrity, and availability.

The weakness was presented 12/30/2019. The identification of this vulnerability is CVE-2019-20140 since 12/30/2019. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/31/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption / Heap-based (CWE-122)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: no mitigation known

0-Day Time: 🔒

12/30/2019 Advisory disclosed
12/30/2019 +0 days CVE assigned
12/31/2019 +1 days VulDB entry created
12/31/2019 +0 days VulDB last update
CVE: CVE-2019-20140 (🔒)Created: 12/31/2019 10:42 AM
Complete: 🔍

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