CVE-2011-1778

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service ...

6.8 MediumFix available

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.

Exploit likelihood

4.20%Down 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 6.8

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.

Record: CVE-2011-1778
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.

Record: CVE-2011-1778
Updated: 2026-11-02

EUVDEUVD-2011-1776 No score

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.

Record: EUVD-2011-1776
Updated: 2026-11-03

GitHub AdvisoriesGHSA-j8fm-g3qm-7gm3 No score

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service ...

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.

Record: GHSA-j8fm-g3qm-7gm3
Weakness: CWE-119
Updated: 2026-11-02

OSV No score

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.

Record: CVE-2011-1778
Updated: 2026-11-02

OSVDEBIAN-CVE-2011-1778 No score

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.

Record: DEBIAN-CVE-2011-1778
Updated: 2026-11-02

Affected products

freebsd libarchive

Affected packages

Affected packages
Package	Affected	Fixed
`libarchive` Debian:12	before 2.8.5-5	2.8.5-5
`libarchive` Debian:13	before 2.8.5-5	2.8.5-5
`libarchive` Debian:14	before 2.8.5-5	2.8.5-5
`libarchive` Debian:6.0 From an advisory covering 2 CVEs	before 2.8.4-1+squeeze1, plus listed versions 2.8.4-1	2.8.4-1+squeeze1
`libarchive` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:2.8.3-3.el6_1	0:2.8.3-3.el6_1
`libarchive-debuginfo` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:2.8.3-3.el6_1	0:2.8.3-3.el6_1
`libarchive-devel` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:2.8.3-3.el6_1	0:2.8.3-3.el6_1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-1778 is a medium vulnerability (CVSS 6.8) in Freebsd Libarchive, published February 20, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.20%, the 91st percentile. Fixed in libarchive 2.8.5-5.

References

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