CVE-2026-58268

Description

SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parser_stream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is enforced. An unauthenticated peer can send a stream-transport message over TCP, TLS, WS, or WSS with an oversized declared length, causing excessive memory allocation and denial of service before the body is read. This issue is fixed in version 1.4.1.

Overview

State: PUBLISHED
Assigner (CNA): GitHub_M
CVSS severity: HIGH
CVSS score: 7.5 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Effective score: 7.5 / 10 HIGH source: CNA overview
CWE(s): CWE-789
Reserved: 2026-06-29
Published: 2026-09-22 19:49 UTC
Last updated: 2026-09-22 19:49 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/58xxx/CVE-2026-58268.json
Linked Threat: CVE-2026-58268 — SIPGO: DoS via unvalidated Content-Length in the stream parser

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-09-22 20:17:03 UTC
NVD last modified: 2026-09-22 20:17:03 UTC
NVD CVSS v3.1: 7.5 / 10 HIGH source: security-advisories@github.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability subscore: 3.9 / 10
Impact subscore: 3.6 / 10

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-84817
Assigner: GitHub_M
Published: Sep 22, 2026, 7:49:09 PM
Updated: Sep 23, 2026, 12:38:58 PM
EUVD base score (CVSS 3.1): 7.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EUVD-reported EPSS: 0.0000
Vendors: emiago
Products: sipgo (< 1.4.1)
Aliases: GHSA-pg59-5vwg-4jxq

ENISA description: SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parser_stream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is enforced. An unauthenticated peer can send a stream-transport message over TCP, TLS, WS, or WSS with an oversized declared length, causing excessive memory allocation and denial of service before the body is read. This issue is fixed in version 1.4.1.

EUVD references (3)

Affected products (1)

Vendor	Product	Versions	Platforms
emiago	sipgo	`< 1.4.1` (affected)	—

Vendor references (3)

References embedded in the original CVE record by the assigning CNA.

https://github.com/emiago/sipgo/security/advisories/GHSA-pg59-5vwg-4jxq x_refsource_CONFIRM
https://github.com/emiago/sipgo/commit/a7be60a07f48c06b3cdd5a7d35eb820b3df5736c x_refsource_MISC
https://github.com/emiago/sipgo/releases/tag/v1.4.1 x_refsource_MISC

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (3)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://github.com/emiago/sipgo/commit/a7be60a07f48c06b3cdd5a7d35eb820b3df5736c security-advisories@github.com
https://github.com/emiago/sipgo/releases/tag/v1.4.1 security-advisories@github.com
https://github.com/emiago/sipgo/security/advisories/GHSA-pg59-5vwg-4jxq security-advisories@github.com

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

CISA orders urgent patches for three exploited Linux flaws

web:dataconomy.com

CISA has added three Linux kernel vulnerabilities to its Known Exploited Vulnerabilities catalog and ordered federal agencies to patch them or stop using affected products by Sept. 21. The flaws are CVE -2025-39682, CVE - 2026 -53266 and CVE -2025-39964, with severity scores of 9.8, 8.8 and 7.8, respectively. All three have available patches, and Red Hat said they are being actively exploited. Red ...

2026-09-23 15:18 UTC
August 2026 cumulative update - .NET Framework | Microsoft Learn

web:learn.microsoft.com

This update installs the complete .NET Framework 3.5 product for Windows 11, version 26H1 (build version 28000) and newer. Unlike traditional cumulative updates that patch individual components, this update delivers the full .NET Framework 3.5 product as a standalone installer. It replaces any previously installed version.

2026-09-23 15:18 UTC
Cisco Advance Notification for Publication of September 16, 2026 ...

web:sec.cloudapps.cisco.com

On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...

2026-09-23 15:18 UTC
Microsoft Patch Tracker (September 2026): Exploit-Ranked | Senserva

web:senserva.com

Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.

2026-09-23 15:18 UTC
Description of the security update for Office 2016: August 11, 2026 ...

web:support.microsoft.com

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...

2026-09-23 15:18 UTC
August 2026 CVE Advisory Notification - Security

web:support.servicenow.com

Due to additional analysis provided by the security researcher who discovered CVE - 2026 -6876, we have upgraded the severity rating of CVE - 2026 -6876 from High to Critical. This change affects only the severity

2026-09-23 15:18 UTC
Microsoft August 2026 Patch Tuesday: 421 CVEs Fixed

web:tech-insider.org

Microsoft patches 421 CVEs in August 2026 Patch Tuesday, including WinSock zero-day CVE - 2026 -68820 under active attack. Full breakdown here.

2026-09-23 15:18 UTC
CISA Puts Three Linux Kernel Flaws on KEV, Federal Agencies Get Two ...

web:threat-intelligence.redeyesecurity.com

CISA added three actively exploited Linux kernel vulnerabilities to the KEV catalog on September 19, 2026 , with a federal patch deadline of September 21. Red Hat confirmed public exploit code exists for all three. The bugs hit the kTLS receive path, the ebtables SNAT ARP rewrite path, and AF_ALG crypto sockets.

2026-09-23 15:18 UTC
Critical Patches Issued for Microsoft Products, August 11, 2026

web:www.cisecurity.org

<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

2026-09-23 15:18 UTC
Oracle Critical Patch Update Advisory - July 2026

web:www.oracle.com

This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.

2026-09-23 15:18 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-58268.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "sipgo",
          "vendor": "emiago",
          "versions": [
            {
              "status": "affected",
              "version": "< 1.4.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parser_stream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is enforced. An unauthenticated peer can send a stream-transport message over TCP, TLS, WS, or WSS with an oversized declared length, causing excessive memory allocation and denial of service before the body is read. This issue is fixed in version 1.4.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-789",
              "description": "CWE-789: Memory Allocation with Excessive Size Value",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-22T19:49:09.625Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/emiago/sipgo/security/advisories/GHSA-pg59-5vwg-4jxq",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/emiago/sipgo/security/advisories/GHSA-pg59-5vwg-4jxq"
        },
        {
          "name": "https://github.com/emiago/sipgo/commit/a7be60a07f48c06b3cdd5a7d35eb820b3df5736c",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/emiago/sipgo/commit/a7be60a07f48c06b3cdd5a7d35eb820b3df5736c"
        },
        {
          "name": "https://github.com/emiago/sipgo/releases/tag/v1.4.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/emiago/sipgo/releases/tag/v1.4.1"
        }
      ],
      "source": {
        "advisory": "GHSA-pg59-5vwg-4jxq",
        "discovery": "UNKNOWN"
      },
      "title": "SIPGO: DoS via unvalidated Content-Length in the stream parser"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-58268",
    "datePublished": "2026-09-22T19:49:09.625Z",
    "dateReserved": "2026-06-29T21:54:30.331Z",
    "dateUpdated": "2026-09-22T19:49:09.625Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}