CVE-2020-25725

mediumpriority · track · 22EPSS 0.010 · 63 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.00% (63rd) EPSS

CVSS 4.3 · medium

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.15mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · secalert@redhat.com USexploitability 1.3 · impact 3.6

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416US

affected products (6)

Products and version ranges known to be affected.

Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Open Source xpdf 4.02all versionscert_bundDEcpe:/a:foolabs:xpdf:4.02
Glyph & Cog Xpdf≤ 4.02enisa_euvdEU
fedoraproject fedora= 32nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 33nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
xpdfreader xpdf= 4.02nvdUScpe:2.3:a:xpdfreader:xpdf:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-1036xpdf: Schwachstelle ermöglicht Denial of ServiceDeutsch2020-11-22csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in xpdf ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2020-11-21modified 2026-06-17

references (16)

External citations — patches, advisories, analysis.

scry

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