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CVE-2017-14122

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib...

9.1 CriticalFix available

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib.c, related to ExtrFile and stricomp.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
High

Exploit likelihood

1.80%Up 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.1

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib.c, related to ExtrFile and stricomp.

Record
CVE-2017-14122
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0
6.4 MediumAV:N/AC:L/Au:N/C:P/I:N/A:P
Weakness
CWE-125
Updated
2026-11-02
CVE List No score

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib.c, related to ExtrFile and stricomp.

Record
CVE-2017-14122
Updated
2026-11-02
EUVDEUVD-2017-5634 No score

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib.c, related to ExtrFile and stricomp.

Record
EUVD-2017-5634
Updated
2026-11-03
GitHub AdvisoriesGHSA-g69v-8jxx-gwpg 9.1

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib...

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib.c, related to ExtrFile and stricomp.

Record
GHSA-g69v-8jxx-gwpg
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
OSV 9.1

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib.c, related to ExtrFile and stricomp.

Record
CVE-2017-14122
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-14122 9.1

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib.c, related to ExtrFile and stricomp.

Record
DEBIAN-CVE-2017-14122
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-14122 9.1

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib.c, related to ExtrFile and stricomp.

Record
UBUNTU-CVE-2017-14122
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
unrar-free
Debian:12
 before 1:0.0.1+cvs20140707-4
1:0.0.1+cvs20140707-4
unrar-free
Debian:13
 before 1:0.0.1+cvs20140707-4
1:0.0.1+cvs20140707-4
unrar-free
Debian:14
 before 1:0.0.1+cvs20140707-4
1:0.0.1+cvs20140707-4
unrar-free
Debian:9
From an advisory covering 3 CVEs
 before 1:0.0.1+cvs20140707-1+deb9u1, plus listed versions
1:0.0.1+cvs20140707-1
1:0.0.1+cvs20140707-1+deb9u1
unrar-free
Ubuntu:Pro:14.04:LTS
 before 1:0.0.1+cvs20071127-2+deb7u1ubuntu0.1~esm1, plus listed versions
1:0.0.1+cvs20071127-21:0.0.1+cvs20071127-2+deb7u1build0.14.04.1
1:0.0.1+cvs20071127-2+deb7u1ubuntu0.1~esm1
unrar-free
Ubuntu:16.04:LTS
 before 1:0.0.1+cvs20140707-4~build0.16.04.1, plus listed versions
1:0.0.1+cvs20140707-1
1:0.0.1+cvs20140707-4~build0.16.04.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-14122 is a critical vulnerability (CVSS 9.1) in Rarlab Unrar, published September 3, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.80%, the 78th percentile. Fixed in unrar-free 1:0.0.1+cvs20140707-4.

References

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