CVE-2022-33099

HIGHNVD 7.57.5—

7.5

An issue in the component luaG_runerror of Lua v5.4.4 and below leads to a heap-buffer overflow when a recursive error occurs.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 53.7%
KEV: Not listed

Published

July 1, 2022

Last Modified

November 21, 2024

References (14)

cve@mitrehttps://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
cve@mitrehttps://lua-users.org/lists/lua-l/2022-05/msg00035.html
cve@mitrehttps://lua-users.org/lists/lua-l/2022-05/msg00042.html
cve@mitrehttps://lua-users.org/lists/lua-l/2022-05/msg00073.html
cve@mitrehttps://www.lua.org/bugs.html#Lua-stack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error:~:text=Lua-stack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error
af854a3a-2127-422b-91ae-364da2661108https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
af854a3a-2127-422b-91ae-364da2661108https://lua-users.org/lists/lua-l/2022-05/msg00035.html
af854a3a-2127-422b-91ae-364da2661108https://lua-users.org/lists/lua-l/2022-05/msg00042.html
af854a3a-2127-422b-91ae-364da2661108https://lua-users.org/lists/lua-l/2022-05/msg00073.html
af854a3a-2127-422b-91ae-364da2661108https://www.lua.org/bugs.html#Lua-stack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error:~:text=Lua-stack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error

Vendor Advisories for CVE-2022-33099(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

CVE-2022-33099
Microsoft Security Response Center (MSRC)
CVE-2022-33099

Patch Availability(2)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	lua5.4 (5.4.4-1ubuntu0.1~esm1) @ jammy	2026-05-25	ubuntu
redhat	lua-0:5.4.2-4.el9_0.3	2022-11-02	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-787Out-of-bounds Write

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore

Frequently asked(5)

What is CVE-2022-33099?

CVE-2022-33099 is a high vulnerability published on July 1, 2022. An issue in the component luaG_runerror of Lua v5.4.4 and below leads to a heap-buffer overflow when a recursive error occurs.

When was CVE-2022-33099 disclosed?

CVE-2022-33099 was first published in the National Vulnerability Database on July 1, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-33099 actively exploited?

CVE-2022-33099 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-33099?

CVE-2022-33099 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2022-33099?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-33099, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-33099

Published

Last Modified

References (14)

Vendor Advisories for CVE-2022-33099(1)

Patch Availability(2)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-33099?

Same vendor

Same CWE

CVE-2022-33099

📅 Published

🔄 Last Modified

🔗 References (14)

📣 Vendor Advisories for CVE-2022-33099(1)

Patch Availability(2)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-33099?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (14)

Vendor Advisories for CVE-2022-33099(1)

Frequently asked(5)

Related CVEs(same vendor + same CWE)