VDB-175944 · CVE-2021-30498 · Nessus 242883

libcaca export.c export_tga memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in libcaca. It has been declared as critical. Affected is the function export_tga of the file export.c. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2021-30498. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in libcaca (version now known). Affected is the function export_tga of the file export.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 confidentiality, integrity, and availability.

The weakness was shared 05/27/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-30498. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 242883 (Debian dla-4257 : caca-utils - security update), 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 (242883). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

libcaca

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

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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: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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
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Nessus ID: 242883
Nessus Name: Debian dla-4257 : caca-utils - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/12/2021 🔍
05/27/2021 +45 days 🔍
05/27/2021 +0 days 🔍
11/04/2025 +1622 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-30498 (🔍)
GCVE (CVE): GCVE-0-2021-30498
GCVE (VulDB): GCVE-100-175944

Entryinfo

Created: 05/27/2021 11:23
Updated: 11/04/2025 05:42
Changes: 05/27/2021 11:23 (35), 05/30/2021 09:30 (2), 07/29/2025 02:35 (16), 11/04/2025 05:42 (19)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.