Vulnerability-Lookup

OPENSUSE-SU-2026:12306-1

Vulnerability from csaf_opensuse - Published: 2026-10-27 00:00 - Updated: 2026-10-28 11:19

Summary

python313-pypdf-6.21.2-1.1 on GA media

Severity

Moderate

Notes

Title of the patch: python313-pypdf-6.21.2-1.1 on GA media

Description of the patch: These are all security issues fixed in the python313-pypdf-6.21.2-1.1 package on the GA media of openSUSE Tumbleweed.

Patchnames: openSUSE-Tumbleweed-2026-12306

CVE-2026-113786

Affected products

Recommended 8 products

Product	Version	Remediation
Unresolved product id: openSUSE Tumbleweed:python313-pypdf-0:6.21.2-1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:python313-pypdf-0:6.21.2-1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:python313-pypdf-0:6.21.2-1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:python313-pypdf-0:6.21.2-1.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:python314-pypdf-0:6.21.2-1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:python314-pypdf-0:6.21.2-1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:python314-pypdf-0:6.21.2-1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:python314-pypdf-0:6.21.2-1.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2026-113789

Affected products

Recommended 8 products, the same list as for CVE-2026-113786

Threats

Impact moderate

CVE-2026-113792

Affected products

Recommended 8 products, the same list as for CVE-2026-113786

Threats

Impact moderate

CVE-2026-113795

Affected products

Recommended 8 products, the same list as for CVE-2026-113786

Threats

Impact moderate

References

14 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://www.suse.com/security/cve/CVE-2026-113786/	self
https://www.suse.com/security/cve/CVE-2026-113789/	self
https://www.suse.com/security/cve/CVE-2026-113792/	self
https://www.suse.com/security/cve/CVE-2026-113795/	self
https://www.suse.com/security/cve/CVE-2026-113786	external
https://bugzilla.suse.com/1286632	external
https://www.suse.com/security/cve/CVE-2026-113789	external
https://bugzilla.suse.com/1286633	external
https://www.suse.com/security/cve/CVE-2026-113792	external
https://bugzilla.suse.com/1286636	external
https://www.suse.com/security/cve/CVE-2026-113795	external
https://bugzilla.suse.com/1286639	external

JSON

To clipboard

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          "summary": "CVE-2026-113792",
          "url": "https://www.suse.com/security/cve/CVE-2026-113792"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1286636 for CVE-2026-113792",
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          "details": "moderate"
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          "text": "pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, accessing a crafted PDF stream with a large number of filters or multiple filters that pass around large amounts of data can cause large memory consumption. This issue is fixed in version 6.20.0.",
          "title": "CVE description"
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          "openSUSE Tumbleweed:python314-pypdf-0:6.21.2-1.1.x86_64"
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      },
      "references": [
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          "category": "external",
          "summary": "CVE-2026-113795",
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          "category": "external",
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        }
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          "category": "impact",
          "date": "2026-10-27T00:00:00Z",
          "details": "moderate"
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      ],
      "title": "CVE-2026-113795"
    }
  ]
}

CVE-2026-113786 (GCVE-0-2026-113786)

Vulnerability from cvelistv5 – Published: 2026-10-21 14:38 – Updated: 2026-10-27 22:18

Title

pypdf: Unvalidated JPEG image data loading

Summary

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.1, an attacker can craft a PDF containing image data labeled with the /DCTDecode filter that causes Pillow to select and invoke an unintended image parser when the image is loaded. Environments without the optional Pillow dependency are not affected. This issue is fixed in version 6.21.1.

Severity

2.3 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-27 22:18 UTC

CWE

CWE-20 - Improper Input Validation
CWE-183 - Permissive List of Allowed Inputs

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7926 records in the last 180 days details

References

4 references

URL	Tags
https://github.com/py-pdf/pypdf/security/advisori…	x_refsource_CONFIRM
https://github.com/py-pdf/pypdf/pull/4222	x_refsource_MISC
https://github.com/py-pdf/pypdf/commit/512d8eb94e…	x_refsource_MISC
https://github.com/py-pdf/pypdf/releases/tag/6.21.1	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
py-pdf	pypdf	Affected: < 6.21.1

Show details on NVD website

JSON

To clipboard

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CVE-2026-113789 (GCVE-0-2026-113789)

Vulnerability from cvelistv5 – Published: 2026-10-21 15:33 – Updated: 2026-10-28 16:42

Title

pypdf: Possible long runtimes/large memory usage when retrieving form fields

Summary

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF that causes large memory usage or long runtimes when an application retrieves the document's form fields. This issue is fixed in version 6.21.0.

Severity

6 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-28 16:42 UTC

CWE

CWE-400 - Uncontrolled Resource Consumption
CWE-407 - Inefficient Algorithmic Complexity

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7926 records in the last 180 days details

References

4 references

URL	Tags
https://github.com/py-pdf/pypdf/security/advisori…	x_refsource_CONFIRM
https://github.com/py-pdf/pypdf/pull/4219	x_refsource_MISC
https://github.com/py-pdf/pypdf/commit/5ef728f0e1…	x_refsource_MISC
https://github.com/py-pdf/pypdf/releases/tag/6.21.0	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
py-pdf	pypdf	Affected: < 6.21.0

Show details on NVD website

JSON

To clipboard

{
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      {
        "metrics": [
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      "metrics": [
        {
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CVE-2026-113792 (GCVE-0-2026-113792)

Vulnerability from cvelistv5 – Published: 2026-10-21 15:55 – Updated: 2026-10-23 15:12

Title

pypdf: Possible infinite loop in PdfWriter.find_outline_item

Summary

pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, calling PdfWriter.find_outline_item on a crafted PDF with a cyclic outline hierarchy can enter an infinite loop and block the current process. This issue is fixed in version 6.20.1.

Severity

6 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-23 14:47 UTC

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7926 records in the last 180 days details

References

4 references

URL	Tags
https://github.com/py-pdf/pypdf/security/advisori…	x_refsource_CONFIRM
https://github.com/py-pdf/pypdf/pull/4188	x_refsource_MISC
https://github.com/py-pdf/pypdf/commit/c9c35b4471…	x_refsource_MISC
https://github.com/py-pdf/pypdf/releases/tag/6.20.1	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
py-pdf	pypdf	Affected: < 6.20.1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "metrics": [
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        "discovery": "UNKNOWN"
      },
      "title": "pypdf: Possible infinite loop in PdfWriter.find_outline_item"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-113792",
    "datePublished": "2026-10-21T15:55:55.976Z",
    "dateReserved": "2026-10-20T17:39:41.373Z",
    "dateUpdated": "2026-10-23T15:12:47.568Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-113795 (GCVE-0-2026-113795)

Vulnerability from cvelistv5 – Published: 2026-10-21 16:01 – Updated: 2026-10-21 16:01

Title

pypdf: Possible large memory usage for streams with multiple filters

Summary

pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, accessing a crafted PDF stream with a large number of filters or multiple filters that pass around large amounts of data can cause large memory consumption. This issue is fixed in version 6.20.0.

Severity

6 (Medium)


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

CWE

CWE-400 - Uncontrolled Resource Consumption
CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7926 records in the last 180 days details

References

4 references

URL	Tags
https://github.com/py-pdf/pypdf/security/advisori…	x_refsource_CONFIRM
https://github.com/py-pdf/pypdf/pull/4173	x_refsource_MISC
https://github.com/py-pdf/pypdf/commit/80a84d4be6…	x_refsource_MISC
https://github.com/py-pdf/pypdf/releases/tag/6.20.0	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
py-pdf	pypdf	Affected: < 6.20.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "pypdf",
          "vendor": "py-pdf",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 6.20.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, accessing a crafted PDF stream with a large number of filters or multiple filters that pass around large amounts of data can cause large memory consumption. This issue is fixed in version 6.20.0."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 6,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-21T16:01:22.314Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/py-pdf/pypdf/security/advisories/GHSA-7mh2-4gg2-979f",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/py-pdf/pypdf/security/advisories/GHSA-7mh2-4gg2-979f"
        },
        {
          "name": "https://github.com/py-pdf/pypdf/pull/4173",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/py-pdf/pypdf/pull/4173"
        },
        {
          "name": "https://github.com/py-pdf/pypdf/commit/80a84d4be6022d910874ccb0d2365400f3f0e185",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/py-pdf/pypdf/commit/80a84d4be6022d910874ccb0d2365400f3f0e185"
        },
        {
          "name": "https://github.com/py-pdf/pypdf/releases/tag/6.20.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/py-pdf/pypdf/releases/tag/6.20.0"
        }
      ],
      "source": {
        "advisory": "GHSA-7mh2-4gg2-979f",
        "discovery": "UNKNOWN"
      },
      "title": "pypdf: Possible large memory usage for streams with multiple filters"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-113795",
    "datePublished": "2026-10-21T16:01:22.314Z",
    "dateReserved": "2026-10-20T17:39:41.373Z",
    "dateUpdated": "2026-10-21T16:01:22.314Z",
    "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.

Vulnerability timeline

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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.

Action not permitted

OPENSUSE-SU-2026:12306-1

CVE-2026-113786 (GCVE-0-2026-113786)

CVE-2026-113789 (GCVE-0-2026-113789)

CVE-2026-113792 (GCVE-0-2026-113792)

CVE-2026-113795 (GCVE-0-2026-113795)

Tags

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Nomenclature

Vulnerability timeline

Related by attack behaviour