CVE-2001-1413

highpriority · track · 32EPSS 0.048 · 92 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.78% (92nd) EPSS

CVSS 7.5 · high

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-28

Stack-based buffer overflow in the comprexx function for ncompress 4.2.4 and earlier, when used in situations that cross security boundaries (such as FTP server), may allow remote attackers to execute arbitrary code via a long filename argument.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedRed Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:536
FixedRed Hat Enterprise Linux ES version 2.1redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:536
FixedRed Hat Enterprise Linux WS version 2.1redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:536
FixedRed Hat Linux Advanced Workstation 2.1redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:536

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-121USLLM-inferred

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
ncompress ncompress≤ 4.2.4nvdUScpe:2.3:a:ncompress:ncompress:*:*:*:*:*:*:*:*
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 all versionsfixedredhat_csafUScpe:/o:redhat:enterprise_linux:2.1::as
Red Hat Enterprise Linux ES version 2.1all versionsfixedredhat_csafUScpe:/o:redhat:enterprise_linux:2.1::es
Red Hat Enterprise Linux WS version 2.1all versionsfixedredhat_csafUScpe:/o:redhat:enterprise_linux:2.1::ws
Red Hat Linux Advanced Workstation 2.1all versionsfixedredhat_csafUScpe:/o:redhat:enterprise_linux:2.1::aw

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2004:536Red Hat Security Advisory: ncompress security update2004-12-13csaf · redhat_csafUS
An updated ncompress package that fixes a buffer overflow and problem in the handling of files larger than 2 GB is now available.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2004-12-23modified 2026-06-16

references (10)

External citations — patches, advisories, analysis.

scry

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