CVE-2007-3123
unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to...
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.
Exploit likelihood
What each source reports
NVD Score used
5.0
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.
- Record
CVE-2007-3123- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-3123- Updated
- 2026-11-02
EUVDEUVD-2007-3115 No score
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.
- Record
EUVD-2007-3115- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x4f5-q2qx-hmgg No score
unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to...
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.
- Record
GHSA-x4f5-q2qx-hmgg- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2007-3123- Updated
- 2026-11-02
OSVDEBIAN-CVE-2007-3123 No score
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.
- Record
DEBIAN-CVE-2007-3123- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
clamavDebian:12 |
before 0.90.3-1 | 0.90.3-1 |
clamavDebian:13 |
before 0.90.3-1 | 0.90.3-1 |
clamavDebian:14 |
before 0.90.3-1 | 0.90.3-1 |
clamavDebian:3.1 From an advisory covering 5 CVEs |
before 0.84-2.sarge.17, plus listed versions 0.84-20.84-2.sarge.10.84-2.sarge.100.84-2.sarge.110.84-2.sarge.12 Show 12 moreShow less0.84-2.sarge.130.84-2.sarge.140.84-2.sarge.150.84-2.sarge.160.84-2.sarge.20.84-2.sarge.30.84-2.sarge.40.84-2.sarge.50.84-2.sarge.60.84-2.sarge.70.84-2.sarge.80.84-2.sarge.9 |
0.84-2.sarge.17 |
clamavDebian:4.0 From an advisory covering 5 CVEs |
before 0.90.1-3etch3, plus listed versions 0.90.1-20.90.1-3etch10.90.1-3etch2 |
0.90.1-3etch3 |
clamavDebian:5.0 From an advisory covering 6 CVEs |
before 0.90.1-3.1lenny3 | 0.90.1-3.1lenny3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| affected, aliases, facts, references, title | GitHub Advisories, OSV | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-3123 is a medium vulnerability (CVSS 5.0) in Clam Anti-virus Clamav, published June 7, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.53%, the 84th percentile. Fixed in clamav 0.90.3-1.
References
secunia.com/advisories/25796
securityfocus.com/bid/24289
osvdb.org/35522
novell.com/linux/security/advisories/2007_33_clamav.html
secunia.com/advisories/25525
secunia.com/advisories/25523
Show 11 moreShow less
debian.org/security/2007/dsa-1320
wwws.clamav.net/bugzilla/show_bug.cgi?id=521
kolab.org/security/kolab-vendor-notice-15.txt
secunia.com/advisories/25688
exchange.xforce.ibmcloud.com/vulnerabilities/34778
lurker.clamav.net/message/20070530.224918.5c64abc4.en.html
svn.clamav.net/svn/clamav-devel/trunk/ChangeLog
security.gentoo.org/glsa/glsa-200706-05.xml
nvd.nist.gov/vuln/detail/CVE-2007-3123
github.com/advisories/GHSA-x4f5-q2qx-hmgg
security-tracker.debian.org/tracker/CVE-2007-3123