unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to cause a denial of service (core dump) via a crafted RAR file with a modified vm_codesize value, which triggers a heap-based buffer overflow
Published Jun 7, 2007
5.0
MEDIUMCVSS 2.0
EPSS 2.53%
Description
unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to cause a denial of service (core dump) via a crafted RAR file with a modified vm_codesize value, which triggers a heap-based buffer overflow.
Affected products
No data.
- 0.90
- 0.90.1
- 0.90.2
- 0.90_rc1.1
- 0.90_rc2
- 0.90_rc3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.53% (0.02527) | 84.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.53% (0.02527) | 82.78th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.71% (0.02712) | 84.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 26.17% (0.26166) | 96.91th | v3 (v2023.03.01) |
| Aug 2, 2024 | 26.17% (0.26166) | 96.75th | v3 (v2023.03.01) |
| May 18, 2024 | 22.26% (0.22259) | 96.47th | v3 (v2023.03.01) |
| Apr 10, 2024 | 17.31% (0.17314) | 96.01th | v3 (v2023.03.01) |
| Mar 3, 2024 | 14.62% (0.14616) | 95.59th | v3 (v2023.03.01) |
| Jan 25, 2024 | 14.70% (0.14696) | 95.28th | v3 (v2023.03.01) |
| Nov 9, 2023 | 11.03% (0.11027) | 94.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 12.45% (0.12450) | 94.49th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
No CWE recorded.
References (14)
- http://kolab.org/security/kolab-vendor-notice-15.txt x_refsource_CONFIRM
- http://lurker.clamav.net/message/20070530.224918.5c64abc4.en.html mailing-listx_refsource_MLISTPatch
- http://osvdb.org/35522 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/25523 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25525 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25688 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25796 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200706-05.xml vendor-advisoryx_refsource_GENTOO
- http://svn.clamav.net/svn/clamav-devel/trunk/ChangeLog x_refsource_CONFIRM
- http://www.debian.org/security/2007/dsa-1320 vendor-advisoryx_refsource_DEBIAN
- http://www.novell.com/linux/security/advisories/2007_33_clamav.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/24289 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34778 vdb-entryx_refsource_XF
- https://wwws.clamav.net/bugzilla/show_bug.cgi?id=521 x_refsource_CONFIRMPatch
Change history (0)
No recorded changes yet.