Description
libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libical3 | 3.0.1-1 | — |
| Debian 13 | libical3 | 3.0.1-1 | — |
| Debian 12 | libical3 | 3.0.1-1 | — |
| Debian 7 | libical | 0.48-2+deb7u1 | DLA-959-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | libical | No fix yet | — |
| Ubuntu 16.04 LTS | libical | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | libical | 1.0.1-16.3.1 | SUSE-SU-2017:1989-1 |
| SLES 12 SP2 | libical | 1.0.1-16.3.1 | SUSE-SU-2017:1989-1 |
| SLES 11 SP4 | libical | 0.43-1.10.6.1 | SUSE-SU-2018:0119-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | libical | 1.0.1-16.3.1 | SUSE-SU-2017:1989-1 |
| SLES for SAP 12 SP2 | libical | 1.0.1-16.3.1 | SUSE-SU-2017:1989-1 |
| SLES for SAP 11 SP4 | libical | 0.43-1.10.6.1 | SUSE-SU-2018:0119-1 |
Advisories 3
- DLA-959-1 libical - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1989-1 Security update for libical SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0119-1 Recommended update for libical SUSE / openSUSE Security Updates · Feb 4, 2026
References
- [oss-security] 20161215 CVE-2016-9584: heap use-after-free on libical mailing-list
- 94948 vdb-entry