Vulnerability-Lookup

CVE-2026-25994 (GCVE-0-2026-25994)

Vulnerability from cvelistv5 – Published: 2026-02-11 20:56 – Updated: 2026-02-12 21:20

Title

PJSIP has a heap buffer overflow in ICE with long username

Summary

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames.

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-12 21:20 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/pjsip/pjproject/security/advis…	x_refsource_CONFIRM
https://github.com/pjsip/pjproject/commit/063b3a1…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
pjsip	pjproject	Affected: <= 2.16	guessed

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-25994",
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      "initial_release_date": "2026-02-11T20:56:47.340000+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "pjsip: PJSIP: heap buffer overflow in ICE with long username",
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      "version": "3"
    },
    "vulnrichment": {
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}

CERTFR-2026-AVI-0538

Vulnerability from certfr_avis - Published: 2026-05-06 - Updated: 2026-05-06

De multiples vulnérabilités ont été découvertes dans Asterisk. Elles permettent à un attaquant de provoquer un déni de service à distance.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Asterisk	Asterisk	asterisk versions 22.8.x antérieures à 22.9.0
Asterisk	Asterisk	asterisk versions 23.2.x antérieures à 23.3.0
Asterisk	Asterisk	certified-asterisk versions 20.x antérieures à 20.7-cert10
Asterisk	Asterisk	asterisk versions 20.18.x antérieures à 20.19.0
Asterisk	Asterisk	asterisk versions 21.12.x antérieures à 21.12.2
Asterisk	Asterisk	certified-asterisk versions 22.x antérieures à 22.8-cert2

References

Title

Publication Time

FKIE_CVE-2026-25994

Vulnerability from fkie_nvd - Published: 2026-02-11 21:16 - Updated: 2026-06-17 10:25

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/pjsip/pjproject/commit/063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0	Patch
	security-advisories@github.com	https://github.com/pjsip/pjproject/security/advisories/GHSA-j29p-pvh2-pvqp	Patch, Vendor Advisory

Impacted products

	Vendor	Product	Version
	pjsip	pjsip	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "pjproject",
          "vendor": "pjsip",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 2.16"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pjsip:pjsip:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3290D5C6-704B-4F73-A5DB-2DB205F3CDBE",
              "versionEndIncluding": "2.16",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames."
    },
    {
      "lang": "es",
      "value": "PJSIP es una librer\u00eda de comunicaci\u00f3n multimedia de c\u00f3digo abierto y gratuita escrita en C. En 2.16 y versiones anteriores, existe una vulnerabilidad de desbordamiento de b\u00fafer en la sesi\u00f3n ICE de PJNATH al procesar credenciales con nombres de usuario excesivamente largos."
    }
  ],
  "id": "CVE-2026-25994",
  "lastModified": "2026-06-17T10:25:33.857",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "UNREPORTED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "options": [
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            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-02-12T21:20:50.808444Z",
          "version": "2.0.3"
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  },
  "published": "2026-02-11T21:16:20.813",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/pjsip/pjproject/commit/063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-j29p-pvh2-pvqp"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

ubuntu-cve-2026-25994

Vulnerability from osv_ubuntu

Published

2026-02-11 21:16

Modified

2026-04-22 07:58

Summary

Details

Severity

8.1 (High)


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

9.8 (Critical)


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

N/A (UNKNOWN)


                    
                      high

References

URL

Type

	https://ubuntu.com/security/CVE-2026-25994	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-25994	REPORT
	https://github.com/pjsip/pjproject/security/advis…	REPORT
	https://github.com/pjsip/pjproject/commit/063b3a1…	REPORT
	https://ubuntu.com/security/notices/USN-8122-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libpj2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjlib-util2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjmedia-audiodev2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjmedia-codec2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjmedia-videodev2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjmedia2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjnath2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjsip-simple2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjsip-ua2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjsip2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjsua2",
            "binary_version": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
          }
        ],
        "priority_reason": "Easily induced buffer overflow by using long username"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "pjproject",
        "purl": "pkg:deb/ubuntu/pjproject@2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.0.0.ast20130823-1",
        "2.1.0.0.ast20130823-1+deb8u1build0.16.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libpj2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjlib-util2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjmedia-audiodev2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjmedia-codec2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjmedia-videodev2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjmedia2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjnath2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjsip-simple2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjsip-ua2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjsip2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjsua2",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpjsua2-2v5",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "python-pjproject",
            "binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
          }
        ],
        "priority_reason": "Easily induced buffer overflow by using long username"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "pjproject",
        "purl": "pkg:deb/ubuntu/pjproject@2.7.2~dfsg-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.2~dfsg-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.6~dfsg-2",
        "2.7~dfsg-1",
        "2.7.1~dfsg-1",
        "2.7.1~dfsg-1build1",
        "2.7.2~dfsg-1"
      ]
    }
  ],
  "aliases": [],
  "details": "PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames.",
  "id": "UBUNTU-CVE-2026-25994",
  "modified": "2026-04-22T07:58:33Z",
  "published": "2026-02-11T21:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-25994"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-25994"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-j29p-pvh2-pvqp"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pjsip/pjproject/commit/063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8122-1"
    }
  ],
  "related": [
    "USN-8122-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "high",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-25994"
  ]
}

WID-SEC-W-2026-1378

Vulnerability from csaf_certbund - Published: 2026-05-05 22:00 - Updated: 2026-06-16 22:00

Summary

Asterisk (pjproject): Mehrere Schwachstellen

Severity

Mittel

Scope

4 vulnerabilities in this advisory, including CVE-2026-25994.

CVE-2026-25994

Known affected: 7 products

Open the full advisory

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.

Detection rules are retrieved from Rulezet.

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

CVE-2026-25994 (GCVE-0-2026-25994)

CERTFR-2026-AVI-0538

Solutions

FKIE_CVE-2026-25994

ubuntu-cve-2026-25994

Vulnerability from osv_ubuntu

WID-SEC-W-2026-1378

Tags

Sightings

Nomenclature

Related by attack behaviour