VDB-403385 · CVE-2023-24284 · GCVE-0-2023-24284

Simon Tatham Portable Puzzle Collection is_markable buffer overflow

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.
3.1	$0-$5k	0.80

Summaryinfo

A vulnerability has been found in Simon Tatham Portable Puzzle Collection and classified as problematic. This issue affects the function is_markable. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2023-24284. The attack can only be performed from a local environment. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Simon Tatham Portable Puzzle Collection (the affected version unknown) and classified as problematic. This issue affects the function is_markable. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability. The summary by CVE is:

Portable Puzzle Collection before 20230116.5782e29 was discovered to contain a buffer overflow via the is_markable() function.

The advisory is shared at bugs.debian.org. The identification of this vulnerability is CVE-2023-24284 since 01/23/2023. The exploitation is known to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available.

Applying the patch 20230116.5782e29 is able to eliminate this problem.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Simon Tatham

Name

Portable Puzzle Collection

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 2.9
CNA Vector (MITRE): 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 20230116.5782e29

Timelineinfo

01/23/2023 CVE reserved
09/14/2026 +1329 days Advisory disclosed
09/14/2026 +0 days VulDB entry created
09/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: bugs.debian.org
Status: Confirmed

CVE: CVE-2023-24284 (🔒)
GCVE (CVE): GCVE-0-2023-24284
GCVE (VulDB): GCVE-100-403385

Entryinfo

Created: 09/14/2026 06:44
Changes: 09/14/2026 06:44 (62)
Complete: 🔍
Cache ID: 216::103