Vulnerability-Lookup

OPENSUSE-RU-2026:22002-1

Vulnerability from csaf_opensuse - Published: 2026-09-29 16:55 - Updated: 2026-10-01 16:37

Summary

Recommended update for tesseract-ocr

Severity

Important

Notes

Title of the patch: Recommended update for tesseract-ocr

Description of the patch: This update for tesseract-ocr fixes the following issues: Changes in tesseract-ocr: - Update tesseract-CVE-2026-88053.patch to null the adaptive template pointer arrays again and the class pruners as upstream does, fixing an abort at exit on every run and invalid frees when a corrupt traineddata is rejected (boo#1282863)

Patchnames: openSUSE-Leap-16.0-packagehub-644

CVE-2026-88053

8.4 (High)


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

Affected products

Recommended 14 products

Product	Version	Remediation
Unresolved product id: openSUSE Leap 16.0:libtesseract5-0:5.5.3-bp160.2.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libtesseract5-0:5.5.3-bp160.2.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libtesseract5-0:5.5.3-bp160.2.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libtesseract5-0:5.5.3-bp160.2.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libtesseract5-x86-64-v3-0:5.5.3-bp160.2.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tesseract-ocr-0:5.5.3-bp160.2.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tesseract-ocr-0:5.5.3-bp160.2.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tesseract-ocr-0:5.5.3-bp160.2.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tesseract-ocr-0:5.5.3-bp160.2.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tesseract-ocr-common-0:5.5.3-bp160.2.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tesseract-ocr-devel-0:5.5.3-bp160.2.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tesseract-ocr-devel-0:5.5.3-bp160.2.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tesseract-ocr-devel-0:5.5.3-bp160.2.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tesseract-ocr-devel-0:5.5.3-bp160.2.1.x86_64	—	Vendor Fix

Threats

Impact important

References

8 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/1282863	self
https://www.suse.com/security/cve/CVE-2026-88053/	self
https://www.suse.com/security/cve/CVE-2026-88053	external
https://bugzilla.suse.com/1280934	external
https://bugzilla.suse.com/1282863	external
https://bugzilla.suse.com/1283868	external

JSON

To clipboard

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CVE-2026-88053 (GCVE-0-2026-88053)

Vulnerability from cvelistv5 – Published: 2026-09-10 17:38 – Updated: 2026-09-11 15:58

Title

Tesseract: Heap out-of-bounds write in Classify::ReadIntTemplates via unvalidated counts in crafted .traineddata

Summary

Tesseract is an open source OCR engine. In version 5.5.3 and earlier, Classify::ReadIntTemplates in src/classify/intproto.cpp reads NumClassPruners, NumClasses, and NumProtoSets from the TESSDATA_INTTEMP component of a crafted .traineddata file and uses those values as loop bounds without validating them against MAX_NUM_CLASS_PRUNERS, MAX_NUM_CLASSES, and MAX_NUM_PROTO_SETS. The loops store heap pointers into fixed-capacity ClassPruners and ProtoSets arrays in INT_TEMPLATES_STRUCT and INT_CLASS_STRUCT, so an oversized count causes heap out-of-bounds pointer writes during legacy-classifier initialization before OCR begins, resulting in heap corruption, a crash, or potentially controlled corruption. No fixed release is available as of this review.

Severity

8.6 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-11 15:57 UTC

CWE

CWE-787 - Out-of-bounds Write

Assigner

GitHub_M mitre root Scorecard

References

2 references

URL	Tags
https://github.com/tesseract-ocr/tesseract/securi…	x_refsource_CONFIRM
https://github.com/tesseract-ocr/tesseract/commit…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
tesseract-ocr	tesseract	Affected: <= 5.5.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-88053",
                "options": [
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                  {
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                  },
                  {
                    "Technical Impact": "total"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-11T15:57:52.566515Z",
                "version": "2.0.3"
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        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "tesseract",
          "vendor": "tesseract-ocr",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 5.5.3"
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            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
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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.

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-RU-2026:22002-1

CVE-2026-88053 (GCVE-0-2026-88053)

Tags

Sightings

Nomenclature

Related by attack behaviour