Free Lossless Image Format 0.3 transform/palette_C.hpp process memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Free Lossless Image Format 0.3. It has been declared as critical. This vulnerability affects the function TransformPaletteC::process of the file transform/palette_C.hpp. 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 confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Free Lossless Image Format (FLIF) 0.3. The TransformPaletteC<FileIO>::process function in transform/palette_C.hpp allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted PAM image file.

The bug was discovered 06/10/2018. The weakness was released 06/11/2018 (Website). The advisory is shared for download at This vulnerability was named CVE-2018-12109 since 06/11/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

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

Entry connected to this vulnerability is available at VDB-201079.




CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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NVD Base Score: 7.8
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
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0-Day Time: 🔍


06/10/2018 🔍
06/11/2018 +0 days 🔍
06/11/2018 +0 days 🔍
06/11/2018 +0 days 🔍
06/12/2018 +1 days 🔍
03/22/2023 +1744 days 🔍


Advisory: 513
Status: Not defined

CVE: CVE-2018-12109 (🔍)
See also: 🔍


Created: 06/12/2018 08:42 AM
Updated: 03/22/2023 02:19 PM
Changes: 06/12/2018 08:42 AM (56), 02/18/2020 09:06 AM (1), 03/22/2023 02:19 PM (3)
Complete: 🔍
Cache ID: 44:094:40


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