CVE-2016-4809: libarchive Improper Input Validation
CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2016-4809UBUNTU-CVE-2016-4809DEBIAN-CVE-2016-4809
Published 21-09-2016Last modified 06-08-2024
Vulnerability summary
CVE-2016-4809 is a high (CVSS 7.5) Improper Input Validation vulnerability in libarchive. EPSS estimates a 4.77% chance of exploitation in the next 30 days, higher than 91.8% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
4.77%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 8 · Related 4Timeline
- 21-09-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The archive_read_format_cpio_read_header function in archive_read_support_format_cpio.c in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a CPIO archive with a large symlink.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
4.77%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
0.00 pp
From 4.77% on 18-09-2026
18-09-202618-10-2026
EPSS score4.77%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat7 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_hpc_node6.0 | 7.0
- enterprise_linux_hpc_node_eus7.2
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.2
Alpine1 product
- libarchive< 3.2.1-r0
Debian1 product
- libarchive< 3.2.1-1
Libarchive1 product
- libarchive≤ 3.2.0
Oracle1 product
- linuxEOL6 | 7
Ubuntu1 product
- libarchive< 3.1.2-7ubuntu2.3 | < 3.1.2-11ubuntu0.16.04.2
6 vendors · 12 products
References
14 links- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlX Refsource CONFIRMThird Party Advisory
