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CVE-2023-32700

HIGH
7.8
CVSS Score
Published: May 20, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:59 AM UTC
3 products affected across 3 vendorsTex LiveLuatexMiktex

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Severity
HIGH7.8
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

LuaTeX before 1.17.0 allows execution of arbitrary shell commands when compiling a TeX file obtained from an untrusted source. This occurs because luatex-core.lua lets the original io.popen be accessed. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Luatex· Luatex Project
95%
1.04 ≤ v < 1.16.2
Affected range stops below 1.16.2, so it looks safe — our inference, not a vendor statement
Miktex· Miktex
95%
2.9.6300 ≤ v < 23.5
Affected range stops below 23.5, so it looks safe — our inference, not a vendor statement
Tex Live· Tug
95%
2017 ≤ v < 2023
Affected range stops below 2023, so it looks safe — our inference, not a vendor statement

References (6)

Release Notes
Source: [email protected]
https://github.com/TeX-Live/texlive-source/releases/tag/build-svn66984
Release Notes
Source: [email protected]
https://gitlab.lisn.upsaclay.fr/texlive/luatex/-/tags/1.17.0
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLY43MIRONJSJVNBDFQHQ26MP3JIOB3H/
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TF6YXUUFRGBIXIIIEV5SGBJXXT2SMUK5/
Release Notes
Source: [email protected]
https://tug.org/pipermail/tex-live/2023-May/049188.html
PatchVendor Advisory
Source: [email protected]
https://tug.org/~mseven/luatex.html

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-OtherCWE-77

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