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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.6 | 3.0 | HIGH |
|
3.9 | 4.7 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| 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 |
| 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:*:*:*:*:*:*:*:* |
| 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 |