Description
Integer overflow in the ISO9660 writer in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via vectors related to verifying filename lengths when writing an ISO9660 archive, which trigger a buffer overflow.
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 | libarchive | 3.2.1-1 | — |
| Debian 13 | libarchive | 3.2.1-1 | — |
| Debian 12 | libarchive | 3.2.1-1 | — |
| Debian 8 | libarchive | 3.1.2-11+deb8u3 | DSA-3677-1 |
| Debian 7 | libarchive | 3.0.4-3+wheezy2 | DLA-554-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libarchive | 3.1.2-11ubuntu0.16.04.3 | USN-3225-1 |
| Ubuntu 14.04 LTS | libarchive | 3.1.2-7ubuntu2.4 | USN-3225-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | bsdtar +3 | 3.1.2-10.el7_2 | RHSA-2016:1844 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | libarchive | 3.1.2-25.1 | SUSE-SU-2016:2911-1 |
| SLES 12 SP1 | libarchive | 3.1.2-25.1 | SUSE-SU-2016:2911-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | libarchive | 3.1.2-25.1 | SUSE-SU-2016:2911-1 |
| SLES for SAP 12 SP1 | libarchive | 3.1.2-25.1 | SUSE-SU-2016:2911-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | bsdtar | 3.2.2-2.1 | openSUSE-SU-2024:10127-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.4 | libarchive | 3.2.1-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | bsdtar +3 | 3.1.2-10.el7_2 | ELSA-2016-1844 |
Advisories 7
- RHSA-2016:1844 Red Hat Security Advisory: libarchive security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-3225-1 libarchive vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-554-1 libarchive - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3677-1 libarchive - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10127-1 bsdtar-3.2.2-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2911-1 Security update for libarchive SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2016-1844 Important: libarchive security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 12, 2016
References
- RHSA-2016:1844 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- 1036431 vdb-entry
- 92036 vdb-entry
- https://github.com/libarchive/libarchive/files/295073/libarchiveOverflow.txt
- [oss-security] 20160720 Buffer overflow in libarchive-3.2.0 mailing-list
- https://github.com/libarchive/libarchive/commit/3014e198
- https://bugzilla.redhat.com/show_bug.cgi?id=1347085
- GLSA-201701-03 vendor-advisory
- [oss-security] 20160721 Re: Buffer overflow in libarchive-3.2.0 mailing-list
- https://github.com/libarchive/libarchive/issues/711