CVE-2016-6250

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.

Published: 2016-09-21 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-6250 is rated High Risk (70.4/100): CVSS High severity, with high exploitation likelihood (EPSS 6.25%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.54% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-6250

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.71% 6.25% +3.54%
2 2026-05-27 2.30% 2.71% +0.41%
3 2026-05-23 2.30%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-6250

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.6 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 4.7 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2016-6250

OS Trackers for CVE-2016-6250

vendor priority summary link
debian low CVE-2016-6250 low priority: Debian including 1 source packages (libarchive), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-6250
gentoo normal CVE-2016-6250: 1 GLSA(s) (201701-03), 1 atom(s) (app-arch/libarchive); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-6250
redhat low https://access.redhat.com/security/cve/CVE-2016-6250
suse low CVE-2016-6250 severity low: SUSE including 272 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 295 product×package rows across 48 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Desktop 12 SP1, … (48 product lines)): Known Affected 231, Fixed 64. https://www.suse.com/security/cve/CVE-2016-6250/
ubuntu low CVE-2016-6250 low priority: Ubuntu including 1 source packages (libarchive), 6 status rows across 6 suites (precise, trusty, upstream, wily, xenial, yakkety): released 4, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2016-6250

Affected software / configurations for CVE-2016-6250

Vendor Product Version Raw CPE
oracle linux 7 cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
libarchive libarchive <= 3.2.0 cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*

References for CVE-2016-6250

URL Tags
http://rhn.redhat.com/errata/RHSA-2016-1844.html
http://www.openwall.com/lists/oss-security/2016/07/20/1 Release Notes
http://www.openwall.com/lists/oss-security/2016/07/21/3 Release Notes
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory
http://www.securityfocus.com/bid/92036 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036431 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1347085 Issue Tracking Third Party Advisory
https://github.com/libarchive/libarchive/commit/3014e198 Issue Tracking Patch
https://github.com/libarchive/libarchive/files/295073/libarchiveOverflow.txt Issue Tracking
https://github.com/libarchive/libarchive/issues/711 Issue Tracking Patch
https://security.gentoo.org/glsa/201701-03
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