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PatchSiren cyber security CVE debrief

CVE-2026-50593 Graphite project CVE debrief

CVE-2026-50593 is a HIGH severity vulnerability in Graphite, a graphics rendering library. The vulnerability is caused by an integer underflow and resultant out-of-bounds write via Graphite actions, specifically in the `slotat` function, which does not ensure that an offset is within the allowed slot-map range. This vulnerability has a CVSS score of 7.3 and can potentially lead to local privilege escalation.

Vendor
Graphite project
Product
Graphite
CVSS
HIGH 7.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-07-23
Advisory published
2026-06-05
Advisory updated
2026-07-23

Who should care

Users of Graphite versions prior to 1.3.15 should be aware of this vulnerability and take steps to upgrade to a patched version.

Technical summary

The vulnerability is caused by an integer underflow and resultant out-of-bounds write via Graphite actions, specifically in the `slotat` function, which does not ensure that an offset is within the allowed slot-map range.

Defensive priority

HIGH

Recommended defensive actions

  • Upgrade to Graphite version 1.3.15 or later.
  • Review and apply patches from the vendor or community.

Evidence notes

The CVE record and NVD detail pages provide additional information about this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50593 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50593

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50593 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50593

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.