Vulnerability-Lookup

GHSA-5PX8-3QCF-QPM5

Vulnerability from github – Published: 2026-05-26 13:30 – Updated: 2026-06-05 18:31

Details

In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.

Severity

7.5 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-48829"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-24T04:16:39Z",
    "severity": "HIGH"
  },
  "details": "In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.",
  "id": "GHSA-5px8-3qcf-qpm5",
  "modified": "2026-06-05T18:31:31Z",
  "published": "2026-05-26T13:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48829"
    },
    {
      "type": "WEB",
      "url": "https://codeberg.org/gsasl/gsasl/commit/da9b5ae2962b014879e4a406c3b38f25aa70e97a"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2026/06/msg00007.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-security-announce/2026/msg00182.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00000.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-48829 (GCVE-0-2026-48829)

Vulnerability from cvelistv5 – Published: 2026-05-24 02:22 – Updated: 2026-06-05 16:00

Summary

In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-26 15:07 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2342 records in the last 180 days details

References

5 references

URL	Tags
https://lists.gnu.org/archive/html/help-gsasl/202…
https://codeberg.org/gsasl/gsasl/commit/da9b5ae29…
https://lists.debian.org/debian-security-announce…
https://lists.gnu.org/archive/html/help-gsasl/202…
https://lists.debian.org/debian-lts-announce/2026…

Impacted products

1 product

Vendor	Product	Version
GNU	GNU SASL	Affected: 0 , < 2.2.3 (semver) cpe:2.3:a:gnu:gnu_sasl::::::::

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JSON

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                "id": "CVE-2026-48829",
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                  },
                  {
                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-05-26T15:07:48.596630Z",
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        "providerMetadata": {
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    "datePublished": "2026-05-24T02:22:04.403Z",
    "dateReserved": "2026-05-24T02:22:03.024Z",
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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

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