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The vulnerability in the initialization of the archive_read_support_format_rar5.c file in the libarchive library allows a hacker to cause a service failure.

🗓️ 22 Dec 2020 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 4 Views

Vulnerability in libarchive rar five format initialization causes service interruption via malformed RAR five inputs.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
AlpineLinux		CVE-2020-9308
20 Feb 202006:07
–alpinelinux
Cloud Foundry		USN-4293-1: libarchive vulnerabilities | Cloud Foundry
10 Mar 202000:00
–cloudfoundry
CNVD		libarchive RAR5 file decompression vulnerability
21 Feb 202000:00
–cnvd
CVE		CVE-2020-9308
20 Feb 202006:07
–cve
Cvelist		CVE-2020-9308
20 Feb 202006:07
–cvelist
Debian CVE		CVE-2020-9308
20 Feb 202006:07
–debiancve
EUVD		EUVD-2020-30132
7 Oct 202500:30
–euvd
Fedora		[SECURITY] Fedora 32 Update: libarchive-3.4.3-1.fc32
26 May 202003:15
–fedora
Fedora		[SECURITY] Fedora 31 Update: libarchive-3.4.3-1.fc31
7 Jun 202019:47
–fedora
Tenable Nessus		Fedora 32 : libarchive (2020-94211d0a7d)
4 Jun 202000:00
–nessus
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Vulners
Node
fedorafedoraMatch31
OR
canonicalubuntuMatch19.10
OR
fedorafedoraMatch32
SourceLink
peoplewww.people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-9308.html
githubwww.github.com/libarchive/libarchive/pull/1326
githubwww.github.com/libarchive/libarchive/pull/1326/commits/94821008d6eea81e315c5881cdf73920296104
ubuntuwww.ubuntu.com/security/notices/USN-4293-1
listswww.lists.fedoraproject.org/archives/list/[email protected]/message/6OTE7GWASH2ZOVG5H3HEN5PR6B3KF7JB/
listswww.lists.fedoraproject.org/archives/list/[email protected]/message/J76F7VU7HC3GBKG5SAKTRBOFOI3RGO6M/
xn--80ahaefyxhnwww.xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai/bin/view/%D0%9E%D0%A1%D0%BD%D0%BE%D0%B2%D0%B0/%D0%9E%D0%B1%D0%BD%D0%BE%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F/2.4.3/
streletswww.strelets.net/patchi-i-obnovleniya-bezopasnosti
cvewww.cve.omp.ru/bb27514
webwww.web.nvd.nist.gov/view/vuln/detail
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05 Sep 2025 00:00Current
7.6High risk
Vulners AI Score7.6
CVSS 38.8
CVSS 29.3
EPSS0.02196
libarchiverar fiveinput validationservice interruptionvulnerability
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