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Fencer Intel
high 7.8

CVE-2017-12596 json

In OpenEXR 2.2.0, a crafted image causes a heap-based buffer over-read in the hufDecode function in IlmImf/ImfHuf.cpp during exrmaketiled e…

published 2017-08-07 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-4167

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

In OpenEXR 2.2.0, a crafted image causes a heap-based buffer over-read in the hufDecode function in IlmImf/ImfHuf.cpp during exrmaketiled execution; it may result in denial of service or possibly unspecified other impact.

Patch / fix

  • openexr Debian 14, Debian 13, Debian 12 2.2.0-11.1

debian advisories DEBIAN-CVE-2017-12596

  • openexr Ubuntu 16.04 LTS 2.2.0-10ubuntu2.1

ubuntu advisories UBUNTU-CVE-2017-12596

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • openexr SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +8 more 2.1.0-6.3.1
  • OpenEXR SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.6.1-83.17.3.1

suse advisories SUSE-SU-2018:0585-1SUSE-SU-2018:0587-1

  • openexr Alpine 3.24, Alpine 3.23, Alpine 3.22 +7 more 2.4.0-r0

alpine advisories ALPINE-CVE-2017-12596

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-12596 updated cvss 3.3

OpenEXR: heap-based buffer over-read in hufDecode function

  • Red Hat Enterprise Linux 6 OpenEXR, OpenEXR-libs Red Hat Enterprise Linux 7 OpenEXR, OpenEXR-libs
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 9 OpenEXR
    affected: no fix available

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.87% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/xiaoqx/pocs/blob/master/openexr.md referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/openexr/openexr/issues/238 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.