MEDIUM
CVE-2015-8922
CWE-476Published: September 20, 2016· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
The read_CodersInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted 7z file, related to the _7z_folder struct.
Technical Analysis
CVE-2015-8922 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Vendors & Products
Canonical1 product(s)
ubuntu linux
libarchive1 product(s)
libarchive
novell3 product(s)
suse linux enterprise software development kitsuse linux enterprise desktopsuse linux enterprise server
Oracle1 product(s)
linux
Source: NVD CPE · 9 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (24)
→
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlThird Party Advisory
→
http://www.openwall.com/lists/oss-security/2016/06/17/2Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2016/06/17/5Third Party Advisory
→
→
http://www.ubuntu.com/usn/USN-3033-1Third Party Advisory
→
→
https://www.suse.com/security/cve/CVE-2015-8922.htmlThird Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlThird Party Advisory
Quick Facts
CVE IDCVE-2015-8922
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-476
CISA KEVNo
Affected4 vendor(s)
PublishedSep 20, 2016
Related CVEs (CWE-476)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-8922 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.