seladb PcapPlusPlus 25.05 LightPcapNg Parser light_pcapng.c parse_by_block_type captured_packet_length heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k1.84+

Summaryinfo

A vulnerability was found in seladb PcapPlusPlus 25.05. It has been declared as critical. The impacted element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Executing a manipulation of the argument captured_packet_length can lead to heap-based overflow. This vulnerability is registered as CVE-2026-13587. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in seladb PcapPlusPlus 25.05. This vulnerability affects the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. The manipulation of the argument captured_packet_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 availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-13587. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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.

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

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: no mitigation known
Status: 🔍

0-Day Time: 🔒

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: 2149
Status: Not defined

CVE: CVE-2026-13587 (🔒)
GCVE (CVE): GCVE-0-2026-13587
GCVE (VulDB): GCVE-100-374590
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/29/2026 06:30
Changes: 06/29/2026 06:30 (58)
Complete: 🔍
Submitter: TYGLS
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #844479: PcapPlusPlus v25.05 Heap-based Buffer Overflow (by TYGLS)

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