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CVE-2011-3627

The bytecode engine in ClamAV before 0.97.3 allows remote attackers to cause a denial of service (crash) via vectors related to "recursion level" and (1) libclamav/bytecode.c and (2) libclamav/bytecode_api.c.

Severity
Medium 4.3
Published
17 Nov 2011
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.6% in the next 30 daysHigher than 85% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-189
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
ClamAVServers and applications · cpe:a:clamav:clamav
  • Version 0.97.1
  • Version 0.97
  • Version 0.97-rc
  • Version 0.96.5
All 43 release lines
  • Every version up to 0.97.2
  • Version 0.9-rc1
  • Version 0.90-rc1
  • Version 0.90-rc1.1
  • Version 0.90-rc2
  • Version 0.90-rc3
  • Version 0.90
  • Version 0.90.1
  • Version 0.90.2
  • Version 0.90.3
  • Version 0.91-rc1
  • Version 0.91-rc2
  • Version 0.91
  • Version 0.91.1
  • Version 0.91.2
  • Version 0.92
  • Version 0.92.1
  • Version 0.93
  • Version 0.93.1
  • Version 0.93.2
  • Version 0.93.3
  • Version 0.94
  • Version 0.94.1
  • Version 0.94.2
  • Version 0.95-rc1
  • Version 0.95-rc2
  • Version 0.95
  • Version 0.95-src1
  • Version 0.95-src2
  • Version 0.95.1
  • Version 0.95.2
  • Version 0.95.3
  • Version 0.96-rc1
  • Version 0.96-rc2
  • Version 0.96
  • Version 0.96.1
  • Version 0.96.2
  • Version 0.96.3
  • Version 0.96.4
  • Version 0.96.5
  • Version 0.97-rc
  • Version 0.97
  • Version 0.97.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-3627
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-3627