CVE-2023-24284 — Portable Puzzle Collection before 20230116

Portable Puzzle Collection before 20230116.5782e29 was discovered to contain a buffer overflow via the is_markable() function.

01What is this vulnerability?

Portable Puzzle Collection before 20230116.5782e29 was discovered to contain a buffer overflow via the is_markable() function.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-09-14T05:16:55.173
• Last modified: 2026-09-22T20:00:03.713

09References

• bugs.debian.org — https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1028986
• git.tartarus.org — https://git.tartarus.org/?p=simon/puzzles.git;a=commit;h=5279fd24b2f4a51e760bfde…