Is CVE-2024-56378 in the CISA KEV catalog?

No. CVE-2024-56378 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-56378?

CVE-2024-56378 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2024-56378?

CVE-2024-56378 has an EPSS score of 0.62% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-56378?

Upgrade poppler on debian 11 to 20.09.0-3.1+deb11u2 or later. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2024-56378

MEDIUM

4.3

CVSS v3

NVD

Description

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

CWE-125Out-of-bounds Read

How to fix

Remediation Available

popplerDebian

Fixed in:20.09.0-3.1+deb11u2CVE-2024-56378

Fixed in:22.12.0-2+deb12u1CVE-2024-56378

Fixed in:24.08.0-4CVE-2024-56378

libpoppler118Ubuntu

Fixed in:22.02.0-2ubuntu0.6USN-7213-1

libpoppler134Ubuntu

Fixed in:24.02.0-1ubuntu9.2USN-7213-1

libpoppler58Ubuntu

Fixed in:0.41.0-0ubuntu1.16+esm5USN-7213-1

libpoppler73Ubuntu

Fixed in:0.62.0-2ubuntu2.14+esm4USN-7213-1

libpoppler97Ubuntu

Fixed in:0.86.1-0ubuntu1.5USN-7213-1

popplerUbuntu

Fixed in:0.41.0-0ubuntu1.16+esm5USN-7213-1

Fixed in:0.62.0-2ubuntu2.14+esm4USN-7213-1

Fixed in:0.86.1-0ubuntu1.5USN-7213-1

Fixed in:22.02.0-2ubuntu0.6USN-7213-1

Fixed in:24.02.0-1ubuntu9.2USN-7213-1

poppler-utilsUbuntu

Fixed in:0.41.0-0ubuntu1.16+esm5USN-7213-1

Fixed in:0.62.0-2ubuntu2.14+esm4USN-7213-1

Fixed in:0.86.1-0ubuntu1.5USN-7213-1

Fixed in:22.02.0-2ubuntu0.6USN-7213-1

Fixed in:24.02.0-1ubuntu9.2USN-7213-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.62%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Patch1

gitlab.freedesktop.org

Exploit1

gitlab.freedesktop.org

Product1

gitlab.freedesktop.org

Other references1

lists.debian.org

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.