Out-of-bounds read in the PixarLogCleanup function in tif_pixarlog.c in libtiff 4.0.6 and earlier allows remote attackers to crash the application by sending a crafted TIFF image to the rgb2ycbcr tool.
Conclusion & alert: CVE-2016-5316 is rated Moderate Risk (55.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.18%). Core evidence: EPSS rose +1.49% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule 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 | 0.68% | 2.18% | +1.49% |
| 2 | 2026-05-29 | 0.86% | 0.68% | -0.18% |
| 3 | 2025-03-30 | — | 0.86% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-5316 not yet assigned priority: Debian including 1 source packages (tiff), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-5316 |
gentoo
|
normal | CVE-2016-5316: 1 GLSA(s) (201701-16), 1 atom(s) (media-libs/tiff); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-5316 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-5316 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2016-5316/ |
ubuntu
|
medium | CVE-2016-5316 medium priority: Ubuntu including 1 source packages (tiff), 8 status rows across 8 suites (artful, precise, trusty, upstream, wily, xenial, yakkety, zesty): not-affected 3, released 3, ignored 2. | https://ubuntu.com/security/CVE-2016-5316 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| libtiff | libtiff | <= 4.0.6 | cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| opensuse_project | leap | 42.1 | cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://lists.opensuse.org/opensuse-updates/2016-07/msg00087.html | Third Party Advisory |
| http://lists.opensuse.org/opensuse-updates/2016-09/msg00060.html | Third Party Advisory |
| http://lists.opensuse.org/opensuse-updates/2016-09/msg00090.html | Third Party Advisory |
| http://www.debian.org/security/2017/dsa-3762 | |
| http://www.openwall.com/lists/oss-security/2016/06/15/3 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/91203 | |
| https://security.gentoo.org/glsa/201701-16 |