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TI-2019-14252 Aliases CVE-2019-19777GHSA-6rrw-8mq7-2wvv

stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has…

Priority MEDIUM 41CWE-125Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.

Why it matters now

EPSS 0.01392 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 2

CPEVersionsRoleVendor
cpe:2.3:a:nothings:stb_image.h:2.23:*:*:*:*:*:*:*2.23Vulnerablenothings
cpe:2.3:a:saitoha:libsixel:1.8.2:*:*:*:*:*:*:*1.8.2Vulnerablesaitoha
  • cpe:2.3:a:nothings:stb_image.h:2.23:*:*:*:*:*:*:* Versions 2.23 Vulnerable ·nothings
  • cpe:2.3:a:saitoha:libsixel:1.8.2:*:*:*:*:*:*:* Versions 1.8.2 Vulnerable ·saitoha

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-19777
  2. 2026-10-03 Alias added: GHSA-6rrw-8mq7-2wvv

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences