CVE-2015-2991: Buffer overflow in NScripter before 3.00 allows remote attackers to execute arbitrary code via crafted save da

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MEDIUM 6.8MITIGATE

CVE-2015-2991 is a medium-severity flaw (CVSS 6.8) affecting nscripter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in NScripter before 3.00 allows remote attackers to execute arbitrary code via crafted save data.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-119
Published	2015-09-05
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: nscripter project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-09-05 02:59 UTCPublished CVE record published
2026-06-17 00:25 UTCUpdated Record last modified

nscripter project nscripter MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nscripter || rpm -q nscripter || nscripter --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-2991?

nscripter: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-2991 being exploited?

CVE-2015-2991 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-2991 affect?

CVE-2015-2991 affects nscripter. Severity is medium (CVSS 6.8). Buffer overflow in NScripter before 3.00 allows remote attackers to execute arbitrary code via crafted save data.

How urgent is CVE-2015-2991?

Priority 45/100. No elevated risk signals yet.

References

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