CVE catalog

CVE-2006-4018

clamav: CVE-2006-4018

Severity: Critical
Published: Aug 8, 2006, 8:04:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 19.40% · Oct 25, 2026

Heap-based buffer overflow in the pefromupx function in libclamav/upx.c in Clam AntiVirus (ClamAV) 0.81 through 0.88.3 allows remote attackers to execute arbitrary code via a crafted UPX packed file containing sections with large rsize values.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	clamav	sid	`1.4.6+dfsg-1`	fixed
Debian	clamav	forky	`1.4.6+dfsg-1`	fixed
Debian	clamav	trixie	`1.4.3+dfsg-1`	fixed
Debian	clamav	bookworm	`1.4.3+dfsg-1~deb12u2`	fixed
Debian	clamav	bookworm-security	`1.4.6+dfsg-0+deb12u1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	clamav	source	sid	`0.88.4-1`	high	Not reported	[382004]
Debian	clamav	source	forky	`0.88.4-1`	high	Not reported	[382004]
Debian	clamav	source	trixie	`0.88.4-1`	high	Not reported	[382004]
Debian	clamav	source	bookworm	`0.88.4-1`	high	Not reported	[382004]

[Debian bug #382004]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[clamav]Fixed
Details (2)
- 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[clamav-base]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · all · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · all · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[clamav-daemon]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[clamav-doc]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · all · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · all · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[clamav-docs]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · all · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · all · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[clamav-freshclam]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[clamav-milter]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[clamav-testfiles]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · all · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · all · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[clamdscan]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[libclamav12]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[libclamav-dev]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

[Debian 13 (Trixie)]

[clamav]Fixed
Details (2)
- 1.4.3+dfsg-1 · amd64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
- 1.4.3+dfsg-1 · arm64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
[clamav-base]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1 · all · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
- 1.4.3+dfsg-1 · all · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
[clamav-daemon]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1 · amd64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
- 1.4.3+dfsg-1 · arm64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
[clamav-doc]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1 · all · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
- 1.4.3+dfsg-1 · all · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
[clamav-docs]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1 · all · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
- 1.4.3+dfsg-1 · all · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
[clamav-freshclam]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1 · amd64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
- 1.4.3+dfsg-1 · arm64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
[clamav-milter]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1 · amd64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
- 1.4.3+dfsg-1 · arm64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
[clamav-testfiles]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1 · all · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
- 1.4.3+dfsg-1 · all · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
[clamdscan]Fixed
Source package: [clamav]
Details (2)
- 1.4.3+dfsg-1 · amd64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13
- 1.4.3+dfsg-1 · arm64 · trixie
  Fixed · Fixed: 0.88.4-1
  dsa · clamav · debian · 13

Next results

Observed: Oct 23, 2026, 5:03:09 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]