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Vulnerability details: VCID-uc8g-rngv-aaab
Vulnerability ID VCID-uc8g-rngv-aaab
Aliases CVE-2016-5824
Summary libical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5824.html
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5824.json
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
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epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
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epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
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epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
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epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
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epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.00517 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01315 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01315 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01315 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01315 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
epss 0.01615 https://api.first.org/data/v1/epss?cve=CVE-2016-5824
generic_textual Low https://bugzilla.mozilla.org/attachment.cgi?id=8757553
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1375120
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5824
generic_textual Low http://seclists.org/oss-sec/2016/q2/604
cvssv2 5.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2016-5824
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2016-5824
generic_textual Medium https://ubuntu.com/security/notices/USN-3897-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-3897-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-03
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2019-03/#CVE-2016-5824
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5824.html
https://access.redhat.com/errata/RHSA-2019:0269
https://access.redhat.com/errata/RHSA-2019:0270
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5824.json
https://api.first.org/data/v1/epss?cve=CVE-2016-5824
https://bugzilla.mozilla.org/attachment.cgi?id=8757553
https://bugzilla.mozilla.org/show_bug.cgi?id=1275400
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5824
http://seclists.org/oss-sec/2016/q2/604
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/libical/libical/issues/235
https://github.com/libical/libical/issues/251
https://github.com/libical/libical/issues/286
https://security.gentoo.org/glsa/201904-02
https://security.gentoo.org/glsa/201904-07
https://ubuntu.com/security/notices/USN-3897-1
https://usn.ubuntu.com/3897-1/
https://usn.ubuntu.com/usn/usn-3897-1
https://www.mozilla.org/en-US/security/advisories/mfsa2019-03/#CVE-2016-5824
http://www.openwall.com/lists/oss-security/2016/06/25/4
http://www.openwall.com/lists/oss-security/2017/01/20/16
http://www.securityfocus.com/bid/91459
1375120 https://bugzilla.redhat.com/show_bug.cgi?id=1375120
860451 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=860451
cpe:2.3:a:libical_project:libical:1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libical_project:libical:1.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2016-5824 https://nvd.nist.gov/vuln/detail/CVE-2016-5824
mfsa2019-03 https://www.mozilla.org/en-US/security/advisories/mfsa2019-03
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5824.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-5824
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-5824
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.54464
EPSS Score 0.0032
Published At May 25, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.