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CVE-2023-32668

LuaTeX before 1.17.0 enables the socket library by default.

5.5 MediumFix available

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.37%Up 0.3 points since May 11, 2023
90%50%10%1%

What each source reports

NVD Score used 5.5

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Record
CVE-2023-32668
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-02
CVE List 5.5

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Record
CVE-2023-32668
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-02
EUVDEUVD-2023-36911 5.5

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Record
EUVD-2023-36911
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-hm67-jh95-48xh 9.8

LuaTeX before 1.17.0 enables the socket library by default.

LuaTeX before 1.17.0 enables the socket library by default.

Record
GHSA-hm67-jh95-48xh
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 5.5

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Record
CVE-2023-32668
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-03
OSVDEBIAN-CVE-2023-32668 5.5

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Record
DEBIAN-CVE-2023-32668
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-02
Show 5 moreShow less
OSVOESA-2025-2694 5.5

texlive-base security update

The TeX Live software distribution offers a complete TeX system for a variety of Unix, Macintosh, Windows and other platforms. It encompasses programs for editing, typesetting, previewing and printing of TeX documents in many different languages, and a large collection of TeX macros and font libraries.

Security Fix(es):

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.(CVE-2023-32668)

Record
OESA-2025-2694
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2023-32668 5.5

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Record
UBUNTU-CVE-2023-32668
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVMGASA-2024-0108 No score

Updated texlive-20220321 packages fix security vulnerabilities

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5. (CVE-2023-32668) texlive-bin commit c515e was discovered to contain heap buffer overflow via the function ttfLoadHDMX:ttfdump. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted TTF file. (CVE-2024-25262)

Record
MGASA-2024-0108
Updated
2026-11-02
OSVopenSUSE-SU-2024:12936-1 No score

libkpathsea6-6.3.5-90.1 on GA media

These are all security issues fixed in the libkpathsea6-6.3.5-90.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12936-1
Updated
2026-11-02
OSVUSN-6695-1 No score

texlive-bin vulnerabilities

It was discovered that TeX Live incorrectly handled certain memory operations in the embedded axodraw2 tool. An attacker could possibly use this issue to cause TeX Live to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2019-18604)

It was discovered that TeX Live allowed documents to make arbitrary network requests. If a user or automated system were tricked into opening a specially crafted document, a remote attacker could possibly use this issue to exfiltrate sensitive information, or perform other network-related attacks. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2023-32668)

It was discovered that TeX Live incorrectly handled certain TrueType fonts. If a user or automated system were tricked into opening a specially crafted TrueType font, a remote attacker could use this issue to cause TeX Live to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2024-25262)

Record
USN-6695-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
texlive-bin
Debian:12
 before 2022.20220321.62855-5.1+deb12u1, plus listed versions
2022.20220321.62855-5.1
2022.20220321.62855-5.1+deb12u1
texlive-bin
Debian:13
 before 2022.20220321.62855-6
2022.20220321.62855-6
texlive-bin
Debian:14
 before 2022.20220321.62855-6
2022.20220321.62855-6
texlive-bin
Debian:11
From an advisory covering 2 CVEs
 before 2020.20200327.54578-7+deb11u2, plus listed versions
2020.20200327.54578-72020.20200327.54578-7+deb11u1
2020.20200327.54578-7+deb11u2
texlive
Mageia:9
From an advisory covering 2 CVEs
 before 20220321-7.1.mga9
20220321-7.1.mga9
texlive-base
openEuler:24.03-LTS-SP2
 before 20210325-12.oe2403sp2
20210325-12.oe2403sp2
texlive-base
openEuler:20.03-LTS-SP4
 before 20180414-34.oe2003sp4
20180414-34.oe2003sp4
texlive-base
openEuler:22.03-LTS-SP3
 before 20180414-39.oe2203sp3
20180414-39.oe2203sp3
texlive-base
openEuler:22.03-LTS-SP4
 before 20180414-39.oe2203sp4
20180414-39.oe2203sp4
texlive-base
openEuler:24.03-LTS
 before 20210325-12.oe2403sp1
20210325-12.oe2403sp1
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Affected packages
PackageAffectedFixed
texlive-base
openEuler:24.03-LTS-SP1
 before 20210325-12.oe2403sp1
20210325-12.oe2403sp1
texlive-bin
Ubuntu:Pro:16.04:LTS
 before 2015.20160222.37495-1ubuntu0.1+esm1, plus listed versions
2015.20150524.37493-5build12015.20150524.37493-72015.20150524.37493-7build12015.20150524.37493-7build42015.20160222.37495-12015.20160222.37495-1ubuntu0.1
2015.20160222.37495-1ubuntu0.1+esm1
texlive-bin
Ubuntu:Pro:18.04:LTS
 before 2017.20170613.44572-8ubuntu0.2+esm1, plus listed versions
2017.20170613.44572-5build12017.20170613.44572-5build22017.20170613.44572-62017.20170613.44572-6build12017.20170613.44572-6ubuntu12017.20170613.44572-8build12017.20170613.44572-8ubuntu0.12017.20170613.44572-8ubuntu0.2
2017.20170613.44572-8ubuntu0.2+esm1
texlive-bin
Ubuntu:20.04:LTS
 before 2019.20190605.51237-3ubuntu0.2, plus listed versions
2019.20190605.51237-2build12019.20190605.51237-32019.20190605.51237-3build12019.20190605.51237-3build22019.20190605.51237-3ubuntu0.1
2019.20190605.51237-3ubuntu0.2
texlive-bin
Ubuntu:22.04:LTS
 before 2021.20210626.59705-1ubuntu0.2, plus listed versions
2020.20200327.54578-72020.20200327.54578-7build12021.20210626.59705-12021.20210626.59705-1build12021.20210626.59705-1ubuntu0.1
2021.20210626.59705-1ubuntu0.2
texlive-bin
Ubuntu:20.04:LTS
From an advisory covering 3 CVEs
 before 2019.20190605.51237-3ubuntu0.2, plus listed versions
2019.20190605.51237-2build12019.20190605.51237-32019.20190605.51237-3build12019.20190605.51237-3build22019.20190605.51237-3ubuntu0.1
2019.20190605.51237-3ubuntu0.2
texlive-bin
Ubuntu:22.04:LTS
From an advisory covering 3 CVEs
 before 2021.20210626.59705-1ubuntu0.2, plus listed versions
2020.20200327.54578-72020.20200327.54578-7build12021.20210626.59705-12021.20210626.59705-1build12021.20210626.59705-1ubuntu0.1
2021.20210626.59705-1ubuntu0.2
texlive
openSUSE:Tumbleweed
From an advisory covering 2 CVEs
 before 2023.20230311.svn34398-90.1
2023.20230311.svn34398-90.1

History

History
RecordedChangedSources
affected, factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-32668 is a medium vulnerability (CVSS 5.5) in Luatex Project Luatex, published May 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. Fixed in texlive-bin 2022.20220321.62855-5.1+deb12u1.

References

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