Vulnerability-Lookup

GHSA-94C3-8CQ4-GWWG

Vulnerability from github – Published: 2026-06-29 18:31 – Updated: 2026-06-29 18:31

Details

A vulnerability was found in seladb PcapPlusPlus 25.05. The affected element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Performing a manipulation of the argument captured_packet_length results in heap-based buffer overflow. It is possible to initiate the attack remotely. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used.

Severity

3.7 (Low)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

2.9 (Low)


                  
                    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-13587"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-29T16:16:38Z",
    "severity": "LOW"
  },
  "details": "A vulnerability was found in seladb PcapPlusPlus 25.05. The affected element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Performing a manipulation of the argument captured_packet_length results in heap-based buffer overflow. It is possible to initiate the attack remotely. The attack\u0027s complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used.",
  "id": "GHSA-94c3-8cq4-gwwg",
  "modified": "2026-06-29T18:31:54Z",
  "published": "2026-06-29T18:31:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-13587"
    },
    {
      "type": "WEB",
      "url": "https://github.com/seladb/PcapPlusPlus/issues/2149"
    },
    {
      "type": "WEB",
      "url": "https://github.com/seladb/PcapPlusPlus"
    },
    {
      "type": "WEB",
      "url": "https://github.com/user-attachments/files/28207967/poc.zip"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-13587"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/844479"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/374590"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/374590/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-13587 (GCVE-0-2026-13587)

Vulnerability from cvelistv5 – Published: 2026-06-29 16:00 – Updated: 2026-06-29 17:41

Title

seladb PcapPlusPlus LightPcapNg light_pcapng.c parse_by_block_type heap-based overflow

Summary

Severity

6.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

3.7 (Low)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-29 17:41 UTC

CWE

CWE-122 - Heap-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root Scorecard

References

7 references

URL	Tags
https://vuldb.com/vuln/374590	vdb-entrytechnical-description
https://vuldb.com/vuln/374590/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13587	third-party-advisory
https://vuldb.com/submit/844479	third-party-advisory
https://github.com/seladb/PcapPlusPlus/issues/2149	issue-tracking
https://github.com/user-attachments/files/2820796…	exploit
https://github.com/seladb/PcapPlusPlus/	product

Impacted products

1 product

Vendor	Product	Version
seladb	PcapPlusPlus	Affected: 25.05 cpe:2.3:a:seladb:pcapplusplus::::::::

Credits

TYGLS (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-13587",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-29T17:41:35.368010Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-29T17:41:45.157Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:seladb:pcapplusplus:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "LightPcapNg Parser"
          ],
          "product": "PcapPlusPlus",
          "vendor": "seladb",
          "versions": [
            {
              "status": "affected",
              "version": "25.05"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "TYGLS (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in seladb PcapPlusPlus 25.05. The affected element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Performing a manipulation of the argument captured_packet_length results in heap-based buffer overflow. It is possible to initiate the attack remotely. The attack\u0027s complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 2.6,
            "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-29T16:00:11.058Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-374590 | seladb PcapPlusPlus LightPcapNg light_pcapng.c parse_by_block_type heap-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/374590"
        },
        {
          "name": "VDB-374590 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/374590/cti"
        },
        {
          "name": "CVE-2026-13587 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-13587"
        },
        {
          "name": "Submit #844479 | PcapPlusPlus v25.05 Heap-based Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/844479"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/seladb/PcapPlusPlus/issues/2149"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/user-attachments/files/28207967/poc.zip"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/seladb/PcapPlusPlus/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-06-29T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-06-29T06:30:43.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "seladb PcapPlusPlus LightPcapNg light_pcapng.c parse_by_block_type heap-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-13587",
    "datePublished": "2026-06-29T16:00:11.058Z",
    "dateReserved": "2026-06-29T04:25:24.076Z",
    "dateUpdated": "2026-06-29T17:41:45.157Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

GHSA-94C3-8CQ4-GWWG

CVE-2026-13587 (GCVE-0-2026-13587)

Tags

Sightings

Nomenclature

Related by attack behaviour