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PatchSiren cyber security CVE debrief

CVE-2023-24284 Simon Tatham CVE debrief

A buffer overflow vulnerability was discovered in Portable Puzzle Collection before version 20230116.5782e29 via the is_markable() function. This CVE was published on 2026-09-14T05:16:55.173Z and was last modified on 2026-09-22T20:00:03.713Z. The vulnerability has a low severity score of 2.9 and is classified as a buffer overflow. Defenders should assess exposure and apply patches or updates as needed. The CVE record and NVD entry provide limited information about the vulnerability, and further verification is required.

Vendor
Simon Tatham
Product
Portable Puzzle Collection
CVSS
LOW 2.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-14
Original CVE updated
2026-09-22
Advisory published
2026-09-14
Advisory updated
2026-09-22

Who should care

Defenders responsible for systems or applications using Portable Puzzle Collection should assess exposure and apply patches or updates as needed.

Why it matters

Defenders should be aware of this low-severity buffer overflow vulnerability in Portable Puzzle Collection and prioritize patching or updating vulnerable systems.

  • Potential denial of service due to buffer overflow
  • Verification of patch application and system monitoring required

Technical summary

The Portable Puzzle Collection software contains a buffer overflow vulnerability via the is_markable() function. The vulnerability was discovered in versions before 20230116.5782e29. The vulnerability has a low severity score of 2.9 and is classified as a buffer overflow. The CVE record and NVD entry provide limited information about the vulnerability, and further verification is required.

Defensive priority

Low-priority vulnerability with limited attack surface

Recommended defensive actions

  • Review and apply vendor patches or updates
  • Monitor system logs for potential exploitation attempts
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. The CVE description mentions a buffer overflow via the is_markable() function, but does not provide details on potential exploitation or impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-24284 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-24284

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

  • CVE-2023-24284 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-24284

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

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.