CVE-2026-27628

highpriority · track · 30EPSS 0.004 · 34 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.40% (34th) EPSS
CVSS 7.5 · high
Is it mine?
17 products
Check your exposure
Who says so?
7 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.2, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. This has been fixed in pypdf 6.7.2. As a workaround, one may apply the patch manually.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedpython311-PyPDF2-0:2.11.1-5.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedpython311-PyPDF2-0:2.11.1-5.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedpython311-PyPDF2-0:2.11.1-5.1.s390x as component of openSUSE Tumbleweedsuse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedpython311-PyPDF2-0:2.11.1-5.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedpython313-PyPDF2-0:2.11.1-5.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedpython313-PyPDF2-0:2.11.1-5.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedpython313-PyPDF2-0:2.11.1-5.1.s390x as component of openSUSE Tumbleweedsuse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedpython313-PyPDF2-0:2.11.1-5.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedpython313-PyPDF2-2.11.1-bp160.2.1.noarch as component of openSUSE Leap 16.0suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

02

cvss

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

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 1.2–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.14.3mediumAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · SUSE Product Security
v4.01.2lowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:Usecondary · ENISA EU
v4.01.2lowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · security-advisories@github.com
v4.01.2lowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-835USCWE-835USCWE-835US
05

affected products (17)

Products and version ranges known to be affected.

06

advisories (5)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-1730Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2026-05-28csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

  • openSUSE-SU-2026:10284-1python311-PyPDF2-2.11.1-5.1 on GA media2026-03-04csaf · suse_csafDE

    python311-PyPDF2-2.11.1-5.1 on GA media

  • openSUSE-SU-2026:20333-1Security update for python-PyPDF22026-03-06csaf · suse_csafDE

    Security update for python-PyPDF2

  • GHSA-2rw7-x74f-jg35pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams2026-02-25ghsa · osvUS

    ### Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. ### Patches This has been fixed in [pypdf==6.7.2](https://github.com/py-pdf/pypdf/releases/tag/6.7.2). ### Workarounds If users cannot upgrade yet, consider applying the changes from PR [#3655](https://github.com/py-pdf/pypdf/pull/3655).

  • PYSEC-2026-3005pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams2026-07-13vendor · osvUS

    ### Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. ### Patches This has been fixed in [pypdf==6.7.2](https://github.com/py-pdf/pypdf/releases/tag/6.7.2). ### Workarounds If users cannot upgrade yet, consider applying the changes from PR [#3655](https://github.com/py-pdf/pypdf/pull/3655).

07

also known as (7)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundnvdsuse_csafNVDCVE.orgMITRE
published 2026-02-25modified 2026-09-01
09

references (10)

External citations — patches, advisories, analysis.

scry

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