How severe is CVE-1999-1334?

CVE-1999-1334 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-1999-1334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1334?

CVE-1999-1334 affects Elm Development Group Elm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1334?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-1999-1334 published?

CVE-1999-1334 was published on 1999-12-31 and last updated on 2026-06-16.

CVE-1999-1334

CVE-1999-1334 is a high-severity vulnerability in Elm Development Group Elm with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Elm Development Group Elm
Published: 1999-12-31
Last modified: 2026-06-16

Description

Multiple buffer overflows in filter command in Elm 2.4 allows attackers to execute arbitrary commands via (1) long From: headers, (2) long Reply-To: headers, or (3) via a long -f (filterfile) command line argument.

Frequently asked questions

What is CVE-1999-1334?: Multiple buffer overflows in filter command in Elm 2.4 allows attackers to execute arbitrary commands via (1) long From: headers, (2) long Reply-To: headers, or (3) via a long -f (filterfile) command line argument.
How severe is CVE-1999-1334?: CVE-1999-1334 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-1334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1334?: CVE-1999-1334 affects Elm Development Group Elm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1334?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-1334 published?: CVE-1999-1334 was published on 1999-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:elm_development_group:elm:2.4:*:*:*:*:*:*:*

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