libical: Multiple use-after-free vulnerabilities
Published Jan 27, 2017
5.5
MEDIUMCVSS 3.0
EPSS 2.17%
Description
libical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.
Affected products
No data.
Configuration 1
- 1.0
Configuration 2
- 14.04
- 16.04
- 18.04
- 18.10
Configuration 3
- 6.0
- 7.0
- 6.0
- 7.0
- 7.6
- 7.6
- 7.6
- 6.0
- 7.0
No data.
Red Hat Enterprise Linux 6
thunderbird-0:60.5.0-1.el6_10
Fixed · RHSA-2019:0269
Red Hat Enterprise Linux 7
thunderbird-0:60.5.0-1.el7_6
Fixed · RHSA-2019:0270
Red Hat Enterprise Linux 5
thunderbird
Will not fix
Red Hat Enterprise Linux 6
libical
Not affected
Red Hat Enterprise Linux 7
libical
Not affected
Red Hat Enterprise Linux 8
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | thunderbird-0:60.5.0-1.el6_10 | Fixed | RHSA-2019:0269 |
| Red Hat Enterprise Linux 7 | thunderbird-0:60.5.0-1.el7_6 | Fixed | RHSA-2019:0270 |
| Red Hat Enterprise Linux 5 | thunderbird | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | libical | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libical | Not affected | n/a |
| Red Hat Enterprise Linux 8 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.17% (0.02171) | 81.62th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.17% (0.02171) | 81.49th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.49% (0.04487) | 91.06th | v5 (v2026.06.15) |
| Sep 20, 2026 | 2.17% (0.02171) | 81.48th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.11% (0.02106) | 80.53th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.87% (0.03873) | 89.53th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.11% (0.02106) | 80.44th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.87% (0.03873) | 89.47th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.11% (0.02106) | 80.32th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.87% (0.03873) | 89.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.11% (0.02106) | 79.27th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.44% (0.00444) | 61.29th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.62% (0.01615) | 87.97th | v3 (v2023.03.01) |
| Apr 29, 2024 | 1.49% (0.01489) | 86.64th | v3 (v2023.03.01) |
| Feb 9, 2024 | 1.05% (0.01054) | 83.60th | v3 (v2023.03.01) |
| Nov 18, 2023 | 0.90% (0.00898) | 80.86th | v3 (v2023.03.01) |
| Jun 14, 2023 | 0.84% (0.00841) | 79.74th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.59% (0.00594) | 75.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
References (17)
- http://www.openwall.com/lists/oss-security/2016/06/25/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/20/16 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/91459 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0269 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0270 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-5824 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1275400 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1375120 Issue Tracking
- https://github.com/libical/libical/issues/235 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://github.com/libical/libical/issues/251 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/libical/libical/issues/286 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-5824
- https://security.gentoo.org/glsa/201904-02 vendor-advisoryx_refsource_GENTOO
- https://security.gentoo.org/glsa/201904-07 vendor-advisoryx_refsource_GENTOO
- https://usn.ubuntu.com/3897-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-5824
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-03/
Change history (0)
No recorded changes yet.