GNU LibreDWG 0.12.5 bits.c bit_calc_CRC heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in GNU LibreDWG 0.12.5 and classified as critical. This issue affects the function bit_calc_CRC of the file bits.c. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2023-36273. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in GNU LibreDWG 0.12.5 (Image Processing Software). Affected by this vulnerability is the function bit_calc_CRC of the file bits.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_calc_CRC at bits.c.

The weakness was released 06/23/2023 as 677. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-36273 since 06/21/2023. 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-40244). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/21/2023 🔍
06/23/2023 +2 days 🔍
06/23/2023 +0 days 🔍
01/12/2026 +934 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: 677
Status: Confirmed

CVE: CVE-2023-36273 (🔍)
GCVE (CVE): GCVE-0-2023-36273
GCVE (VulDB): GCVE-100-232291
EUVD: 🔍

Entryinfo

Created: 06/23/2023 17:35
Updated: 01/12/2026 14:40
Changes: 06/23/2023 17:35 (41), 07/18/2023 09:19 (11), 01/12/2026 14:40 (16)
Complete: 🔍
Cache ID: 216::103

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