Buffer overflow in X.org Libxv
CVE-2016-5407
The (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXv before 1.0.11 allow remote X servers to trigger out-of-bounds memory access operations via vectors involving length specifications in received data.
Vulnerability class: Buffer Overflow
EPSS: 0.045 (90.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- X.org Libxv
- Fedoraproject Fedora — versions 24, 25
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (vendor-advisory, x_refsource_GENTOO)
- secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Issue Tracking)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA)
Frequently asked questions
- What is CVE-2016-5407?
- CVE-2016-5407 is a critical-severity vulnerability in X.org Libxv, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-12-13.
- How severe is CVE-2016-5407?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-5407 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.