Is CVE-2026-50593 in the CISA KEV catalog?

No. CVE-2026-50593 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-50593?

CVE-2026-50593 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2026-50593?

CVE-2026-50593 has an EPSS score of 0.11% (2th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-50593?

Upgrade graphite2 on debian unstable to 1.3.15-2 or later.

CVE & CISA-KEV Catalog

CVE-2026-50593

HIGH

7.3

CVSS v3

NVD

Description

Graphite before 1.3.15 has an integer underflow and resultant out-of-bounds write via Graphite actions, because slotat does not ensure that an offset is within the allowed slot-map range.

CWE-191

How to fix

Remediation Available

graphite2Debian

Fixed in:1.3.15-2CVE-2026-50593

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.11%probability of exploitation in 30 days

2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Other references2

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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 2026-06-05.