Vulnerability-Lookup

OPENSUSE-SU-2026:21526-1

Vulnerability from csaf_opensuse - Published: 2026-08-04 15:38 - Updated: 2026-09-17 17:41

Summary

Security update for python-httplib2

Severity

Important

Notes

Title of the patch: Security update for python-httplib2

Description of the patch: This update for python-httplib2 fixes the following issue - CVE-2026-59939: Fixed a vulnerability where a malicious or compromised HTTP server could return a small compressed payload that expands to an arbitrarily large size in memory and causes MemoryError or OOM-kill in the client process (bsc#1271095).

Patchnames: openSUSE-Leap-16.0-1429

CVE-2026-59939

7.5 (High)


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

Affected products

Recommended 1 product

Product	Identifier	Version	Remediation
Unresolved product id: openSUSE Leap 16.0:python313-httplib2-0:0.22.0-160000.3.1.noarch		—	Vendor Fix

Threats

Impact important

References

6 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://bugzilla.suse.com/1271095	self
https://www.suse.com/security/cve/CVE-2026-59939/	self
https://www.suse.com/security/cve/CVE-2026-59939	external
https://bugzilla.suse.com/1271095	external

JSON

To clipboard

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}

CVE-2026-59939 (GCVE-0-2026-59939)

Vulnerability from cvelistv5 – Published: 2026-07-08 19:34 – Updated: 2026-08-20 21:08

Title

httplib2: Decompression Bomb Denial of Service via Unbounded gzip/deflate Response Handling

Summary

httplib2 is a comprehensive HTTP client library for Python. Prior to 0.32.0, httplib2 performs unbounded decompression of HTTP response bodies encoded with Content-Encoding: gzip or deflate in _decompressContent in httplib2/init.py, allowing a malicious or compromised HTTP server to return a small compressed payload that expands to an arbitrarily large size in memory and causes MemoryError or OOM-kill in the client process. This issue is fixed in version 0.32.0.

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: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-10 14:55 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

Assigner

GitHub_M mitre root Scorecard

References

4 references

URL	Tags
https://github.com/httplib2/httplib2/security/adv…	x_refsource_CONFIRM
https://github.com/httplib2/httplib2/commit/87581…	x_refsource_MISC
https://github.com/httplib2/httplib2/releases/tag…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2026…

Impacted products

1 product

Vendor	Product	Version
httplib2	httplib2	Affected: < 0.32.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-59939",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-10T14:55:00.644314Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-10T14:55:12.554Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/httplib2/httplib2/security/advisories/GHSA-j5g9-f88f-gfj3"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-08-20T21:08:26.043Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2026/08/msg00039.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "httplib2",
          "vendor": "httplib2",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.32.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "httplib2 is a comprehensive HTTP client library for Python. Prior to 0.32.0, httplib2 performs unbounded decompression of HTTP response bodies encoded with Content-Encoding: gzip or deflate in _decompressContent in httplib2/init.py, allowing a malicious or compromised HTTP server to return a small compressed payload that expands to an arbitrarily large size in memory and causes MemoryError or OOM-kill in the client process. This issue is fixed in version 0.32.0."
        }
      ],
      "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",
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          }
        }
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        },
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          "tags": [
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          "url": "https://github.com/httplib2/httplib2/releases/tag/v0.32.0"
        }
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      "source": {
        "advisory": "GHSA-j5g9-f88f-gfj3",
        "discovery": "UNKNOWN"
      },
      "title": "httplib2: Decompression Bomb Denial of Service via Unbounded gzip/deflate Response Handling"
    }
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  "cveMetadata": {
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    "datePublished": "2026-07-08T19:34:05.150Z",
    "dateReserved": "2026-07-07T18:20:06.127Z",
    "dateUpdated": "2026-08-20T21:08:26.043Z",
    "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

OPENSUSE-SU-2026:21526-1

CVE-2026-59939 (GCVE-0-2026-59939)

Tags

Sightings

Nomenclature

Related by attack behaviour