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Welcome to lua-l, a list for discussing the Lua programming language, its uses, and its implementation. For further information, visit this page .

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Martin Eden, … Lars Müller4

Jan 25

[ANN] File-to-image

On 2026-01-24 19:40, 'Lars Müller' via lua-l wrote: > Fun fact: PNG is actually a very

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[ANN] File-to-image

On 2026-01-24 19:40, 'Lars Müller' via lua-l wrote: > Fun fact: PNG is actually a very

Jan 25

Lourival Vieira Neto

Jan 24

[ANN] Lunatik v4.0 released

We're happy to announce the release of Lunatik v4.0. This is a major release that extends the

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[ANN] Lunatik v4.0 released

We're happy to announce the release of Lunatik v4.0. This is a major release that extends the

Jan 24

Cullen Clay (你講話真的很機車), … David Given4

Jan 24

Out-of-Bounds Read in luaO_pushvfstring Due to Unsanitized String Inputs

On Sat, 24 Jan 2026, at 10:18, Philippe Verdy wrote: How would you validate that strings of

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Out-of-Bounds Read in luaO_pushvfstring Due to Unsanitized String Inputs

On Sat, 24 Jan 2026, at 10:18, Philippe Verdy wrote: How would you validate that strings of

Jan 24

Sergey Bronnikov

Jan 23

[ANN] Fuzzing Lua in OSS-Fuzz

Hello, everyone, OSS-Fuzz, Google's open source fuzzing service, now supports fuzzing

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[ANN] Fuzzing Lua in OSS-Fuzz

Hello, everyone, OSS-Fuzz, Google's open source fuzzing service, now supports fuzzing

Jan 23

Eleanor Bartle, … Roberto Ierusalimschy5

Jan 22

__gc/__close ordering

> [...] If neither is true, does that mean the __gc > and __close metamethods must in general

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__gc/__close ordering

> [...] If neither is true, does that mean the __gc > and __close metamethods must in general

Jan 22

Eric Covener, Denis Dos Santos Silva4

Jan 22

regression on zOS between 5.4.8 to 5.5.0 on zOS

Thank you for the detailed explanation. Following up on your comments, I set up a clean sandbox

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regression on zOS between 5.4.8 to 5.5.0 on zOS

Thank you for the detailed explanation. Following up on your comments, I set up a clean sandbox

Jan 22

Cullen Clay (你講話真的很機車), … Javier Guerra Giraldez7

Jan 21

Out-of-Bounds Read in luaL_loadstring Function Due to Lack of Input Validation

i think it's now obvious that the responsible for this slop spam doesn't care enough to read

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Out-of-Bounds Read in luaL_loadstring Function Due to Lack of Input Validation

i think it's now obvious that the responsible for this slop spam doesn't care enough to read

Jan 21

checkmate, mjmouse99992

Jan 20

# CWE-476: NULL Pointer Dereference in Lua Interpreter's handle_script Function

Have you considered telling your LLM that argc and argv actually come from glibc? I've pointed

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# CWE-476: NULL Pointer Dereference in Lua Interpreter's handle_script Function

Have you considered telling your LLM that argc and argv actually come from glibc? I've pointed

Jan 20

checkmate, … Martin Eden3

Jan 20

# CWE-476: NULL Pointer Dereference in Lua's `checkcontrol` Function

On 2026-01-20 19:30, 'Sainan' via lua-l wrote: > Hooray to AI-generated spam. > > --

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# CWE-476: NULL Pointer Dereference in Lua's `checkcontrol` Function

On 2026-01-20 19:30, 'Sainan' via lua-l wrote: > Hooray to AI-generated spam. > > --

Jan 20

Jan 20

# CWE-476: NULL Pointer Dereference in luaL_loadstring Function

Summary The luaL_loadstring function in the Lua library (lauxlib.c) contains a vulnerability that

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# CWE-476: NULL Pointer Dereference in luaL_loadstring Function

Summary The luaL_loadstring function in the Lua library (lauxlib.c) contains a vulnerability that

Jan 20

Jan 20

# CWE-476: NULL Pointer Dereference in warnf Function

Description The warnf function in ltests.c has a potential vulnerability due to a NULL pointer

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# CWE-476: NULL Pointer Dereference in warnf Function

Description The warnf function in ltests.c has a potential vulnerability due to a NULL pointer

Jan 20

Cheese, … dev1 dev230

Jan 20

Why set the control variable of this for loop to read-only in Lua5.5?

Thank you, looking forward to it. On Friday, January 16, 2026 at 8:24:43 PM UTC+1 Roberto

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Why set the control variable of this for loop to read-only in Lua5.5?

Thank you, looking forward to it. On Friday, January 16, 2026 at 8:24:43 PM UTC+1 Roberto

Jan 20

Kritzel Kratzel

Jan 19

[ANN] OneLuaPro 5.4.8.2 is available

Please forgive me for this cheeky advertisement, but after almost 6 months it was time for a new

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[ANN] OneLuaPro 5.4.8.2 is available

Please forgive me for this cheeky advertisement, but after almost 6 months it was time for a new

Jan 19

Scott Morgan, Thijs Schreijer4

Jan 17

On Fri, 16 Jan 2026, at 14:35, 'Scott Morgan' via lua-l wrote: > Another issue that just

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On Fri, 16 Jan 2026, at 14:35, 'Scott Morgan' via lua-l wrote: > Another issue that just

Jan 17

João Pedro Gusatti, Luther Thompson2

Jan 17

Lua 5.5.0 - "global" as a identifier

On 1/17/26 09:00, João Pedro Gusatti wrote: > global = 1 > print(global) --> 1 > > The

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Lua 5.5.0 - "global" as a identifier

On 1/17/26 09:00, João Pedro Gusatti wrote: > global = 1 > print(global) --> 1 > > The

Jan 17

Yan, Roberto Ierusalimschy2

Jan 15

luaK_exp2anyregup in buildglobal (lparser.c) appears unnecessary

> In the `buildglobal` function, after singlevaraux returns: > > ``` > // buildglobal

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luaK_exp2anyregup in buildglobal (lparser.c) appears unnecessary

> In the `buildglobal` function, after singlevaraux returns: > > ``` > // buildglobal

Jan 15

Jan 12

Introducing civstack: the educational tech stack in the public domain, written in pure Lua!

https://civboot.github.io/index.html I'm writing an educational tech stack in pure Lua and I'

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Introducing civstack: the educational tech stack in the public domain, written in pure Lua!

https://civboot.github.io/index.html I'm writing an educational tech stack in pure Lua and I'

Jan 12

Biniam Fisseha Demissie, Xmilia Hermit3

Jan 12

Out-of-Bounds Read in kname() via Unchecked Constant Table Index

> Can this also be reproduced using non-binary chunks? Unlikely. Only affects applications that

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Out-of-Bounds Read in kname() via Unchecked Constant Table Index

> Can this also be reproduced using non-binary chunks? Unlikely. Only affects applications that

Jan 12

Stefano Cossu, … Luiz Henrique de Figueiredo4

Jan 7

My first 6 months with Lua

> Therefore, I can say quite confidently that Lua is an excellent fit for > my project, and

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My first 6 months with Lua

> Therefore, I can say quite confidently that Lua is an excellent fit for > my project, and

Jan 7

Luiz Henrique de Figueiredo, … Matěj Cepl40

Jan 7

[ANN] Lua 5.5.0 (rc1) now available

On Tue Jan 6, 2026 at 1:56 PM CET, Roberto Ierusalimschy wrote: > One bug was real (but did not

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[ANN] Lua 5.5.0 (rc1) now available

On Tue Jan 6, 2026 at 1:56 PM CET, Roberto Ierusalimschy wrote: > One bug was real (but did not

Jan 7

John Bit, … Xmilia Hermit5

Jan 6

Lua 5.4.4+ for loop stack overflow inside deep recursive function call

John Bit: > local function f(n) > if n == 0 then return end > for _ in pairs({1}) do return

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Lua 5.4.4+ for loop stack overflow inside deep recursive function call

John Bit: > local function f(n) > if n == 0 then return end > for _ in pairs({1}) do return

Jan 6

Jan 6

Documentary about Lua

Hello everyone, I wanted to share that we're currently in production on a documentary about Lua

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Documentary about Lua

Hello everyone, I wanted to share that we're currently in production on a documentary about Lua

Jan 6

Usman, … Denis Dos Santos Silva3

Jan 4

Makefile platform detection fails with modern MinGW64 (MINGW64_NT-10.0-26200)

try $make generic Em terça-feira, 23 de dezembro de 2025 às 18:24:43 UTC-3, Augusto Goulart escreveu:

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Makefile platform detection fails with modern MinGW64 (MINGW64_NT-10.0-26200)

try $make generic Em terça-feira, 23 de dezembro de 2025 às 18:24:43 UTC-3, Augusto Goulart escreveu:

Jan 4

Roberto Ierusalimschy, … Marc Balmer13

Jan 3

es guets neuis! Am 03.01.2026 um 05:51 schrieb ryug...@gmail.com: Modu saehae bok mani badeuseyo! (

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es guets neuis! Am 03.01.2026 um 05:51 schrieb ryug...@gmail.com: Modu saehae bok mani badeuseyo! (

Jan 3

Stefano Cossu, … Sewbacca8

12/31/25

Singleton in C API

Well, not quite. I was storing the string pointer value instead of the string itself as an index.

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Singleton in C API

Well, not quite. I was storing the string pointer value instead of the string itself as an index.

12/31/25

12/31/25

[PATCH] Allow external definition of Lua library paths in luaconf.h

Currently, `LUA_LDIR` and `LUA_CDIR` are hardcoded in `luaconf.h` to `share/lua/` and `lib/lua/`

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[PATCH] Allow external definition of Lua library paths in luaconf.h

Currently, `LUA_LDIR` and `LUA_CDIR` are hardcoded in `luaconf.h` to `share/lua/` and `lib/lua/`

12/31/25

Eleanor Bartle, … Philippe Verdy7

12/30/25

SQL has been already extended as a programming language, within many engines that can handle stored

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SQL has been already extended as a programming language, within many engines that can handle stored

12/30/25

Jasper Klein, … Luiz Henrique de Figueiredo14

12/29/25

Error when loading a C submodule from dll

Op maandag 29 december 2025 om 01:52:03 UTC+1 schreef Sewbacca: Okay so compilation is okay, there

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Error when loading a C submodule from dll

Op maandag 29 december 2025 om 01:52:03 UTC+1 schreef Sewbacca: Okay so compilation is okay, there

12/29/25

Sainan, Roberto Ierusalimschy2

12/29/25

Outdated comment

> Hi, in ltm.h, this comment seems to be outdated with respect to the removal of BITRAS in Lua 5.5

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Outdated comment

> Hi, in ltm.h, this comment seems to be outdated with respect to the removal of BITRAS in Lua 5.5

12/29/25

Hisham, Pierre Chapuis2

12/29/25

[ANN] LuaRocks 3.13.0

Hello, thanks for the release, however there is a problem with the rockspec inside the release

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[ANN] LuaRocks 3.13.0

Hello, thanks for the release, however there is a problem with the rockspec inside the release

12/29/25

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