HIGH
Integer signedness error in the (1) cab_unstore and (2) cab_extract functions in libclamav/cab.c in Clam AntiVirus (ClamAV) before 0.90.2 allow remote attackers to execute arbitrary code via a crafted CHM file that contains a negative integer, which passes a signed comparison and leads to a stack-based buffer overflow
Published Apr 16, 2007
7.5
HIGHCVSS 2.0
EPSS 5.41%
Description
Integer signedness error in the (1) cab_unstore and (2) cab_extract functions in libclamav/cab.c in Clam AntiVirus (ClamAV) before 0.90.2 allow remote attackers to execute arbitrary code via a crafted CHM file that contains a negative integer, which passes a signed comparison and leads to a stack-based buffer overflow.
Affected products
No data.
OR
- 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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.41% 0.05412
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05412
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.41% (0.05412) | 92.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.41% (0.05412) | 91.64th | v5 (v2026.06.15) |
| Dec 3, 2025 | 11.86% (0.11858) | 93.50th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.82% (0.10821) | 92.70th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.32% (0.09324) | 87.81th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.82% (0.10821) | 92.83th | v4 (v2025.03.14) |
| Dec 17, 2024 | 15.60% (0.15597) | 95.88th | v3 (v2023.03.01) |
| Mar 27, 2024 | 20.26% (0.20259) | 96.24th | v3 (v2023.03.01) |
| Jan 11, 2024 | 20.58% (0.20580) | 95.93th | v3 (v2023.03.01) |
| Dec 4, 2023 | 20.91% (0.20907) | 95.90th | v3 (v2023.03.01) |
| Sep 18, 2023 | 16.03% (0.16031) | 95.30th | v3 (v2023.03.01) |
| Mar 17, 2023 | 15.82% (0.15816) | 95.02th | v3 (v2023.03.01) |
| Mar 7, 2023 | 15.07% (0.15070) | 94.90th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.25% (0.12248) | 95.30th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.25% (0.12248) | 94.93th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.25% (0.12248) | 89.34th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (23)
- http://docs.info.apple.com/article.html?artnum=307562 x_refsource_CONFIRM
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=513 third-party-advisoryx_refsource_IDEFENSEVendor Advisory
- http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html vendor-advisoryx_refsource_APPLE
- http://secunia.com/advisories/24891 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/24920 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/24946 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/24996 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25022 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25028 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25189 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/29420 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200704-21.xml vendor-advisoryx_refsource_GENTOO
- http://sourceforge.net/project/shownotes.php?release_id=500765 x_refsource_CONFIRMPatch
- http://support.novell.com/techcenter/psdb/50a5cb718f20761dd7e0b6b4e0935c52.html x_refsource_CONFIRM
- http://www.debian.org/security/2007/dsa-1281 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:098 vendor-advisoryx_refsource_MANDRIVA
- http://www.novell.com/linux/security/advisories/2007_26_clamav.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/23473 vdb-entryx_refsource_BIDPatch
- http://www.securitytracker.com/id?1017921 vdb-entryx_refsource_SECTRACK
- http://www.trustix.org/errata/2007/0013/ vendor-advisoryx_refsource_TRUSTIX
- http://www.vupen.com/english/advisories/2007/1378 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/0924/references vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33637 vdb-entryx_refsource_XF
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 16, 2007
Updated Aug 7, 2024
Reserved Apr 12, 2007
Link CVE-2007-1997
CISA Vulnrichment
Updated n/a