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Fencer Intel
medium 4.3

CVE-2024-56378 json

libpoppler.so in Poppler through 24.12.0 has an out-of-bounds read vulnerability within the JBIG2Bitmap::combine function in JBIG2Stream.cc.

published last yr. modified 3mo ago also EUVD-2024-53136 , JLSEC-2026-83

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

libpoppler.so in Poppler through 24.12.0 has an out-of-bounds read vulnerability within the JBIG2Bitmap::combine function in JBIG2Stream.cc.

Patch / fix

  • julia Poppler_jll 25.10.0+0
  • freedesktop poppler 25.01.0
  • poppler Debian 12 22.12.0-2+deb12u1
  • poppler Debian 14, Debian 13 24.08.0-4

debian advisories DEBIAN-CVE-2024-56378

  • poppler Ubuntu 20.04 LTS 0.86.1-0ubuntu1.5
  • poppler Ubuntu 22.04 LTS 22.02.0-2ubuntu0.6
  • poppler Ubuntu 24.04 LTS 24.02.0-1ubuntu9.2
  • poppler Ubuntu Pro 16.04 LTS 0.41.0-0ubuntu1.16+esm5
  • poppler Ubuntu Pro 18.04 LTS 0.62.0-2ubuntu2.14+esm4

ubuntu advisories UBUNTU-CVE-2024-56378

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

  • poppler SLE Module for Package Hub 15 SP6, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 24.03.0-150600.3.5.1
  • poppler-qt5 SLE Module for Package Hub 15 SP6, openSUSE Leap 15.6 24.03.0-150600.3.5.1
  • poppler-qt6 SLE Module for Package Hub 15 SP6, openSUSE Leap 15.6 24.03.0-150600.3.5.1
  • poppler SLE Module for Basesystem 15 SP6 0.79.0-150200.3.35.1
  • poppler openSUSE Leap 15.5 23.01.0-150500.3.14.1
  • poppler-qt5 openSUSE Leap 15.5 23.01.0-150500.3.14.1
  • poppler-qt6 openSUSE Leap 15.5 23.01.0-150500.3.14.1
  • poppler SLES LTSS Extended Security 12 SP5 0.43.0-16.52.1

suse advisories SUSE-SU-2024:4435-1SUSE-SU-2024:4432-1SUSE-SU-2024:4423-1SUSE-SU-2024:4422-1

  • poppler openSUSE Tumbleweed 24.12.0-1.1

opensuse advisories openSUSE-SU-2025:14616-1

Is CVE-2024-56378 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2024-56378 updated cvss 4.4

Poppler: out-of-bounds read

  • Red Hat Enterprise Linux 6 poppler, poppler-qt, poppler-qt4, poppler-glib, poppler-utils Red Hat Enterprise Linux 7 poppler, poppler-qt, poppler-cpp, poppler-glib, poppler-demos, poppler-utils, +4 more Red Hat Enterprise Linux 8 poppler, poppler-cpp, poppler-qt5, poppler-glib, poppler-utils
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 9 poppler, poppler-cpp, poppler-qt5, poppler-glib, poppler-utils
    affected: no fix planned “Will not fix”

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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • gitlab.freedesktop.org https://gitlab.freedesktop.org/poppler/poppler/-/issues/1553 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
OSV 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
julia Poppler_jll
<25.10.0+0
25.10.0+0

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.