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    CVE-2022-28805

    singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.

    Published:Apr 8, 2022
    Last Modified:Nov 21, 2024
    EPS:Apr 8, 2022
    EPSS Score:0.00186
    CVSS Score:9.1

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Lua
    Product
    Lua
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://lua-users.org/lists/lua-l/2022-02/msg00001.htmlhttps://lua-users.org/lists/lua-l/2022-02/msg00070.htmlhttps://lua-users.org/lists/lua-l/2022-04/msg00009.htmlhttps://lua-users.org/lists/lua-l/2022-02/msg00001.htmlhttps://lua-users.org/lists/lua-l/2022-02/msg00070.htmlhttps://lua-users.org/lists/lua-l/2022-04/msg00009.html

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-54230 (CVSS 7) — A symlink following vulnerability was found in the ABRT post-create event handler scripts in libreport. Event …
    CVE-2026-35094 (CVSS 3.3) — A flaw was found in libinput. An attacker capable of deploying a Lua plugin file in specific system directorie…
    CVE-2026-35093 (CVSS 8.8) — A flaw was found in libinput. A local attacker who can place a specially crafted Lua bytecode file in certain …
    CVE-2024-3056 (CVSS 7.7) — A flaw was found in Podman. This issue may allow an attacker to create a specially crafted container that, whe…
    CVE-2024-6293 (CVSS 8.8) — Use after free in Dawn in Google Chrome prior to 126.0.6478.126 allowed a remote attacker to potentially explo…
    CVE-2024-6292 (CVSS 8.8) — Use after free in Dawn in Google Chrome prior to 126.0.6478.126 allowed a remote attacker to potentially explo…
    CVE-2024-6291 (CVSS 8.8) — Use after free in Swiftshader in Google Chrome prior to 126.0.6478.126 allowed a remote attacker to potentiall…
    CVE-2024-6290 (CVSS 8.8) — Use after free in Dawn in Google Chrome prior to 126.0.6478.126 allowed a remote attacker to potentially explo…
    CVE-2024-38277 (CVSS 5.4) — A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be…

    References

    https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
    https://lua-users.org/lists/lua-l/2022-02/msg00001.html
    https://lua-users.org/lists/lua-l/2022-02/msg00070.html
    https://lua-users.org/lists/lua-l/2022-04/msg00009.html
    https://security.gentoo.org/glsa/202305-23
    https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
    https://lua-users.org/lists/lua-l/2022-02/msg00001.html
    https://lua-users.org/lists/lua-l/2022-02/msg00070.html
    https://lua-users.org/lists/lua-l/2022-04/msg00009.html
    https://security.gentoo.org/glsa/202305-23

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High