Unrated severityNVD Advisory· Published Apr 8, 2021· Updated Nov 8, 2024
Clam AntiVirus (ClamAV) PDF Parser Denial of Service Vulnerability
CVE-2021-1405
Description
A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper variable initialization that may result in an NULL pointer read. An attacker could exploit this vulnerability by sending a crafted email to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
33- Range: <=0.103.1
- osv-coords31 versionspkg:rpm/opensuse/clamav&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/clamav&distro=openSUSE%20Tumbleweedpkg:rpm/suse/clamav&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/clamav&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/clamav&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/clamav&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/clamav&distro=SUSE%20Manager%20Server%204.0pkg:rpm/suse/clamav&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/clamav&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/clamav&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/clamav&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 0.103.2-lp152.6.6.1+ 30 more
- (no CPE)range: < 0.103.2-lp152.6.6.1
- (no CPE)range: < 0.103.3-1.4
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-0.20.35.1
- (no CPE)range: < 0.103.2-0.20.35.1
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-3.6.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-3.6.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-3.26.1
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-33.35.1
- (no CPE)range: < 0.103.2-33.35.1
- Range: unspecified
Patches
Vulnerability mechanics
References
3- blog.clamav.net/2021/04/clamav-01032-security-patch-release.htmlmitrevendor-advisoryx_refsource_CISCO
- security.gentoo.org/glsa/202104-07mitrevendor-advisoryx_refsource_GENTOO
- lists.debian.org/debian-lts-announce/2021/04/msg00012.htmlmitremailing-listx_refsource_MLIST
News mentions
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