CVE-2017-12941

libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the Unpa ...

Published 18 Aug 2017Modified 17 Jun 2026CWE 125

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD.

Description

libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the Unpack::Unpack20 function.

Affected packages and fixed versions

Source	Package	Fixed in
debian 11	unrar-nonfree	1:5.5.8-1
debian 12	unrar-nonfree	1:5.5.8-1
debian 13	unrar-nonfree	1:5.5.8-1
debian 14	unrar-nonfree	1:5.5.8-1
debian 7	unrar-nonfree	no fix listed
debian 8	unrar-nonfree	no fix listed
debian 9	unrar-nonfree	no fix listed
echo	unrar-nonfree	1:5.5.8-1
rapidfort fedora 43	unrar, unrar-free	0.3.3-2.fc43
rapidfort Oracle Linux 10	unrar	no fix listed
rapidfort Oracle Linux 9	unrar	no fix listed

Show all 12 entries from 11 sources

Source	Package	Fixed in
debian 11	unrar-nonfree	1:5.5.8-1
debian 12	unrar-nonfree	1:5.5.8-1
debian 13	unrar-nonfree	1:5.5.8-1
debian 14	unrar-nonfree	1:5.5.8-1
debian 7	unrar-nonfree	no fix listed
debian 8	unrar-nonfree	no fix listed
debian 9	unrar-nonfree	no fix listed
echo	unrar-nonfree	1:5.5.8-1
rapidfort fedora 43	unrar	0.3.3-2.fc43
rapidfort fedora 43	unrar-free	0.3.3-2.fc43
rapidfort Oracle Linux 10	unrar	no fix listed
rapidfort Oracle Linux 9	unrar	no fix listed

References

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FindsEvery admitted image is rescanned every 24 hours by default (scan.rescanInterval). When Trivy rates this vulnerability critical for the image's package source, it appears in the image's findings by name. Findings without a fix are left out unless includeUnfixed is on.
Tells youA critical_finding event goes to the channels subscribed to it: e-mail, Slack, Teams, a webhook, Jira, GitLab or GitHub.
RefusesWith a policy that blocks critical findings, a pod with this image is refused at admission, a rollback to it included. Pods already running are not evicted.
RecordsEach decision is recorded with the policy that ran and its hash, then sealed under a signed checkpoint.

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.