Is CVE-2022-29978 in the CISA KEV catalog?

No. CVE-2022-29978 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-29978?

CVE-2022-29978 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2022-29978?

CVE-2022-29978 has an EPSS score of 0.97% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-29978?

Upgrade libsixel on debian unstable to 1:1.8.7-1 or later.

CVE & CISA-KEV Catalog

CVE-2022-29978

MEDIUM

6.5

CVSS v3

NVD

Description

There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.

CWE-682

How to fix

Remediation Available

libsixelDebian

Fixed in:1:1.8.7-1CVE-2022-29978

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.97%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Exploit1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-24.