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TI-2018-05256 Aliases CVE-2018-7247GHSA-29q2-994c-m8hr

An issue was discovered in pixHtmlViewer in prog/htmlviewer.c in Leptonica before 1.75.3.

Priority MEDIUM 47CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

An issue was discovered in pixHtmlViewer in prog/htmlviewer.c in Leptonica before 1.75.3. Unsanitized input (rootname) can overflow a buffer, leading potentially to arbitrary code execution or possibly unspecified other impact.

Why it matters now

EPSS 0.02466 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:leptonica:leptonica:*:*:*:*:*:*:*:*before 1.75.3VulnerableLeptonica
  • cpe:2.3:a:leptonica:leptonica:*:*:*:*:*:*:*:* Versions before 1.75.3 Vulnerable ·Leptonica

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-7247
  2. 2026-10-03 Alias added: GHSA-29q2-994c-m8hr

References

  • TI-2018-05365 An issue was discovered in Leptonica through 1.75.3. CVSS 3.0CRITICAL 9.8
  • TI-2018-05207 Leptonica before 1.75.3 does not limit the number of characters in a %s format argument… CVSS 3.0CRITICAL 9.8
  • TI-2018-05367 An issue was discovered in Leptonica through 1.75.3. CVSS 3.0CRITICAL 9.1
  • TI-2020-18579 Leptonica before 1.80.0 allows a heap-based buffer over-read in pixFewColorsOctcubeQuantMixed in colorquant1.c. CVSS 3.1HIGH 7.5
  • TI-2020-18577 Leptonica before 1.80.0 allows a heap-based buffer over-read in rasteropGeneralLow… CVSS 3.1HIGH 7.5
  • TI-2020-18576 Leptonica before 1.80.0 allows a heap-based buffer over-read in findNextBorderPixel in ccbord.c. CVSS 3.1HIGH 7.5
See all 12 →

Sources