CVE-2004-0947

highpriority · track · 43EPSS 0.074 · 94 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

7.37% (94th) EPSS

CVSS 10 · high

Is it mine?

15 products

Check your exposure

Who says so?

4 sources

enisa_euvd · fstec_bdu · nvd · redhat_csaf

EPSS · scored 2026-10-23

Buffer overflow in unarj before 2.63a-r2 allows remote attackers to execute arbitrary code via an arj archive that contains long filenames.

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-2005:007
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-2005:007
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-2005:007
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-2005:007

cvss

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

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.5–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v2.010criticalAV:N/AC:L/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v2.08.5highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119US

affected products (15)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
ARJ Software Inc. unarj≤ 2.63a-r2fstec_bduRU
Huawei Technologies Co., Ltd. USG6330≤ V100R001C30SPC600fstec_bduRU
arj software inc. unarj= 2.62nvdUScpe:2.3:a:arj_software_inc.:unarj:*:*:*:*:*:*:*:*
arj software inc. unarj= 2.63_anvdUScpe:2.3:a:arj_software_inc.:unarj:*:*:*:*:*:*:*:*
arj software inc. unarj= 2.64nvdUScpe:2.3:a:arj_software_inc.:unarj:*:*:*:*:*:*:*:*
arj software inc. unarj= 2.65nvdUScpe:2.3:a:arj_software_inc.:unarj:*:*:*:*:*:*:*:*
gentoo linuxall versionsnvdUScpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:*
suse suse linux= 9.0nvdUScpe:2.3:o:suse:suse_linux:*:*:*:*:*:*:*:*
suse suse linux= 9.1nvdUScpe:2.3:o:suse:suse_linux:*:*:*:*:*:*:*:*
suse suse linux= 9.2nvdUScpe:2.3:o:suse:suse_linux:*:*:*:*:*:*:*:*
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-2005:007Red Hat Security Advisory: unarj security update2005-01-12csaf · redhat_csafUS
An updated unarj package that fixes a buffer overflow vulnerability and a directory traversal vulnerability is now available.

also known as (8)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd fstec_bdu nvd redhat_csaf NVD CVE.org MITRE

published 2005-02-09modified 2026-06-16

references (12)

External citations — patches, advisories, analysis.

scry

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