CVE-2019-20205

HIGHNVD 8.88.8—

8.8

libsixel 1.8.4 has an integer overflow in sixel_frame_resize in frame.c.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 62.3%
KEV: Not listed

Published

January 2, 2020

Last Modified

April 24, 2026

Advisory Details (1)

Auto-updated May 2, 2026

No patch confirmed yet.

generic

integer overflow in sixel_frame_resize in frame.c · Issue #127 · saitoha/libsixel · GitHub

https://github.com/saitoha/libsixel/issues/127

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-190Integer Overflow or Wraparound

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
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Frequently asked(5)

What is CVE-2019-20205?

CVE-2019-20205 is a high vulnerability published on January 2, 2020. libsixel 1.8.4 has an integer overflow in sixelframeresize in frame.c.

When was CVE-2019-20205 disclosed?

CVE-2019-20205 was first published in the National Vulnerability Database on January 2, 2020, with the most recent update on April 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-20205 actively exploited?

CVE-2019-20205 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-20205?

CVE-2019-20205 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2019-20205?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-20205, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2019-20205

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

integer overflow in sixel_frame_resize in frame.c · Issue #127 · saitoha/libsixel · GitHub

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-20205?

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Published

Last Modified

Advisory Details (1)

Frequently asked(5)

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