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Fencer Vulns
medium 5.3

CVE-2016-9118 json

Heap Buffer Overflow (WRITE of size 4) in function pnmtoimage of convert.c:1719 in OpenJPEG 2.1.2.

published 2016-10-30 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9939

cvss
5.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Heap Buffer Overflow (WRITE of size 4) in function pnmtoimage of convert.c:1719 in OpenJPEG 2.1.2.

Patch / fix

  • openjpeg2 Debian 14, Debian 13, Debian 12 2.1.2-1.2

debian advisories DEBIAN-CVE-2016-9118

  • openjpeg2 Ubuntu 16.04 LTS 2.1.2-1.1+deb9u2build0.1

ubuntu advisories UBUNTU-CVE-2016-9118

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

  • openjpeg2 SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 2.1.0-3.1

suse advisories SUSE-SU-2016:3270-1

  • openjpeg2 Package Hub 12 SP1, Package Hub 12 2.1.0-6.1

opensuse advisories openSUSE-SU-2017:2567-1

  • openjpeg2 Arch Linux 2.2.0-1

arch linux advisories AVG-54

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-2016-9118 updated cvss 5.6

openjpeg2: Multiple security issues

  • Red Hat Enterprise Linux 6 openjpeg, openjpeg-libs Red Hat Enterprise Linux 7 openjpeg, openjpeg-libs
    not affected: vulnerable code not present

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

3.12% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/uclouvain/openjpeg/issues/861 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns 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.