seladb PcapPlusPlus 25.05 Modbus Protocol ModbusLayer.h getLength length heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k2.19

Summaryinfo

A vulnerability identified as critical has been detected in seladb PcapPlusPlus 25.05. Affected is the function pcpp::ModbusLayer::getLength in the library Packet++/header/ModbusLayer.h of the component Modbus Protocol Handler. This manipulation of the argument length causes heap-based overflow. This vulnerability appears as CVE-2026-13590. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in seladb PcapPlusPlus 25.05 and classified as critical. Affected by this vulnerability is the function pcpp::ModbusLayer::getLength in the library Packet++/header/ModbusLayer.h of the component Modbus Protocol Handler. The manipulation of the argument length 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 advisory is shared at github.com. This vulnerability is known as CVE-2026-13590. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Applying the patch 4c90c3e3418a2b09dc82b7ca5775e9c1e22fe454 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

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: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 4c90c3e3418a2b09dc82b7ca5775e9c1e22fe454

Timelineinfo

06/29/2026 Advisory disclosed
06/29/2026 +0 days VulDB entry created
06/29/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 2155
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-13590 (🔒)
GCVE (CVE): GCVE-0-2026-13590
GCVE (VulDB): GCVE-100-374593
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/29/2026 06:30
Changes: 06/29/2026 06:30 (62)
Complete: 🔍
Submitter: TYGLS
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #844483: PcapPlusPlus v25.05 Heap-based Buffer Overflow (by TYGLS)

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

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