UpHeron
All vulnerabilities

Servers and applications

CVE-2013-2021

pdf.c in ClamAV 0.97.1 through 0.97.7 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted length value in an encrypted PDF file.

Severity
Medium 4.3
Published
13 May 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.5% in the next 30 daysHigher than 89% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
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 0.97.7
  • Version 0.97.6
  • Version 0.97.5
  • Version 0.97.4
All 7 release lines
  • Version 0.97.1
  • Version 0.97.2
  • Version 0.97.3
  • Version 0.97.4
  • Version 0.97.5
  • Version 0.97.6
  • Version 0.97.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-2021
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-2021