LibreDWG decode_r11.c decode_preR13_section_hdr heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in LibreDWG (Image Processing Software) and classified as critical. This issue affects the function decode_preR13_section_hdr of the file decode_r11.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

LibreDWG v0.12.4.4643 was discovered to contain a heap buffer overflow via the function decode_preR13_section_hdr at decode_r11.c.

The weakness was presented 11/30/2022 as 524. It is possible to read the advisory at The identification of this vulnerability is CVE-2022-45332 since 11/14/2022. Technical details of the vulnerability are known, but there is no available exploit.

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




CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

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

NVD Base Score: 7.8
NVD Vector: 🔒



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


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

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒


11/14/2022 CVE reserved
11/30/2022 +16 days Advisory disclosed
11/30/2022 +0 days VulDB entry created
12/24/2022 +24 days VulDB last update


Advisory: 524
Status: Confirmed

CVE: CVE-2022-45332 (🔒)


Created: 11/30/2022 08:06 AM
Updated: 12/24/2022 05:06 PM
Changes: 11/30/2022 08:06 AM (40), 12/24/2022 05:06 PM (11)
Complete: 🔍


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