Vulnerabilities / CVE-2012-6706

critical

CVE-2012-6706

A VMSF_DELTA memory corruption was discovered in unrar before 5.5.5, a ...

Published Modified CWE 190
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. Rated lower by Amazon (medium), Ubuntu (medium).

Description

A VMSF_DELTA memory corruption was discovered in unrar before 5.5.5, as used in Sophos Anti-Virus Threat Detection Engine before 3.37.2 and other products, that can lead to arbitrary code execution. An integer overflow can be caused in DataSize+CurChannel. The result is a negative value of the "DestPos" variable, which allows the attacker to write out of bounds when setting Mem[DestPos].

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.10clamav0.99.4-r0
alpine 3.11clamav0.99.4-r0
alpine 3.12clamav0.99.4-r0
alpine 3.13clamav0.99.4-r0
alpine 3.14clamav0.99.4-r0
alpine 3.15clamav0.99.4-r0
alpine 3.16clamav0.99.4-r0
alpine 3.17clamav0.99.4-r0
alpine 3.18clamav0.99.4-r0
alpine 3.19clamav0.99.4-r0
alpine 3.20clamav0.99.4-r0
alpine 3.21clamav0.99.4-r0
Show all 64 entries from 38 sources
SourcePackageFixed in
alpine 3.10clamav0.99.4-r0
alpine 3.11clamav0.99.4-r0
alpine 3.12clamav0.99.4-r0
alpine 3.13clamav0.99.4-r0
alpine 3.14clamav0.99.4-r0
alpine 3.15clamav0.99.4-r0
alpine 3.16clamav0.99.4-r0
alpine 3.17clamav0.99.4-r0
alpine 3.18clamav0.99.4-r0
alpine 3.19clamav0.99.4-r0
alpine 3.20clamav0.99.4-r0
alpine 3.21clamav0.99.4-r0
alpine 3.22clamav0.99.4-r0
alpine 3.23clamav0.99.4-r0
alpine 3.24clamav0.99.4-r0
alpine 3.8clamav0.99.4-r0
alpine 3.9clamav0.99.4-r0
alpine edgeclamav0.99.4-r0
amazon linux 1clamav0.99.4-1.29.amzn1
amazon linux 1clamav-data0.99.4-1.29.amzn1
amazon linux 1clamav-data-empty0.99.4-1.29.amzn1
amazon linux 1clamav-db0.99.4-1.29.amzn1
amazon linux 1clamav-debuginfo0.99.4-1.29.amzn1
amazon linux 1clamav-devel0.99.4-1.29.amzn1
amazon linux 1clamav-filesystem0.99.4-1.29.amzn1
amazon linux 1clamav-lib0.99.4-1.29.amzn1
amazon linux 1clamav-milter0.99.4-1.29.amzn1
amazon linux 1clamav-milter-sysvinit0.99.4-1.29.amzn1
amazon linux 1clamav-scanner0.99.4-1.29.amzn1
amazon linux 1clamav-scanner-sysvinit0.99.4-1.29.amzn1
amazon linux 1clamav-server0.99.4-1.29.amzn1
amazon linux 1clamav-server-sysvinit0.99.4-1.29.amzn1
amazon linux 1clamav-update0.99.4-1.29.amzn1
amazon linux 1clamd0.99.4-1.29.amzn1
debian 11libclamunrar0.99-4
debian 11unrar-nonfree1:5.5.5-1
debian 12libclamunrar0.99-4
debian 12unrar-nonfree1:5.5.5-1
debian 13libclamunrar0.99-4
debian 13unrar-nonfree1:5.5.5-1
debian 14libclamunrar0.99-4
debian 14unrar-nonfree1:5.5.5-1
debian 7libclamunrar0.99-0+deb7u2
debian 7unrar-nonfree1:4.1.4-1+deb7u2
debian 8libclamunrar0.99-0+deb8u3
debian 8unrar-nonfree1:5.2.7-0.1+deb8u1
debian 9libclamunrar0.99-3+deb9u1
debian 9unrar-nonfree1:5.3.2-1+deb9u1
echolibclamunrar0.99-4
echounrar-nonfree1:5.5.5-1
rapidfort fedora 43unrar0.3.3-2.fc43
rapidfort fedora 43unrar-free0.3.3-2.fc43
rapidfort Oracle Linux 10unrarno fix listed
rapidfort Oracle Linux 9unrarno fix listed
ubuntu 14.04libclamunrar0.99-0ubuntu0.14.04.2
ubuntu 16.04libclamunrar0.99-1ubuntu0.1
ubuntu 16.04unrar-nonfree1:5.3.2-1+deb9u1build0.16.04.1
ubuntu 16.04-ESMlibclamunrar0.99-1ubuntu0.1
ubuntu 16.04-ESMunrar-nonfree1:5.3.2-1+deb9u1build0.16.04.1
ubuntu 17.10libclamunrar0.99-4ubuntu1
ubuntu 18.04libclamunrar0.99-4ubuntu1
ubuntu 18.04-ESMlibclamunrar0.99-4ubuntu1
ubuntu 18.10libclamunrar0.99-4ubuntu1
ubuntu 19.04libclamunrar0.99-4ubuntu1

References

All 13 references

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.