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Fencer Vulns
high 7.5

CVE-2018-12648 json

The WEBP::GetLE32 function in XMPFiles/source/FormatSupport/WEBP_Support.hpp in Exempi 2.4.5 has a NULL pointer dereference.

published 2018-06-22 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4603

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

The WEBP::GetLE32 function in XMPFiles/source/FormatSupport/WEBP_Support.hpp in Exempi 2.4.5 has a NULL pointer dereference.

Patch / fix

  • exempi Debian 14, Debian 13, Debian 12 2.5.0-2

debian advisories DEBIAN-CVE-2018-12648

  • exempi Ubuntu 18.04 LTS 2.4.5-2ubuntu0.1

ubuntu advisories UBUNTU-CVE-2018-12648

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

  • exempi SLE Module for Desktop Applications 15 SP1, SLE Module for Desktop Applications 15 2.4.5-3.3.2

suse advisories SUSE-SU-2019:1603-1

  • exempi openSUSE Tumbleweed 2.5.2-1.3
  • exempi openSUSE Leap 15.1 2.4.5-lp151.3.3.1
  • exempi openSUSE Leap 15.0 2.4.5-lp150.2.3.1

opensuse advisories openSUSE-SU-2024:10745-1openSUSE-SU-2019:1657-1openSUSE-SU-2019:1649-1

  • exempi Alpine 3.24, Alpine 3.23, Alpine 3.22 +12 more 2.5.1-r0

alpine advisories ALPINE-CVE-2018-12648

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-2018-12648 updated cvss 3.3

exempi: NULL pointer dereference in WEBP_Support.hpp:WEBP::GetLE32() allows for denial of service

  • Red Hat Enterprise Linux 6 exempi Red Hat Enterprise Linux 7 exempi Red Hat Enterprise Linux 8 exempi
    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

2.24% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.freedesktop.org https://bugs.freedesktop.org/show_bug.cgi?id=106981 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

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.