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Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.
5 affected packages
lua5.1, lua5.2, lua5.3, lua5.4, lua50
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| lua5.1 | — | — | Not affected | Not affected | Not affected |
| lua5.2 | — | — | Not affected | Not affected | Not affected |
| lua5.3 | — | — | Not affected | Not affected | Not affected |
| lua5.4 | — | — | Not affected | Not in release | Not in release |
| lua50 | — | — | Not in release | Not affected | Not affected |
Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.
5 affected packages
lua5.1, lua5.2, lua5.3, lua5.4, lua50
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| lua5.1 | — | — | Not affected | Not affected | Not affected |
| lua5.2 | — | — | Not affected | Not affected | Not affected |
| lua5.3 | — | — | Not affected | Not affected | Not affected |
| lua5.4 | — | — | Not affected | Not in release | Not in release |
| lua50 | — | — | Not in release | Not affected | Not affected |
Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.
5 affected packages
lua5.1, lua5.2, lua5.3, lua5.4, lua50
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| lua5.1 | — | — | — | Not affected | Not affected |
| lua5.2 | — | — | — | Not affected | Not affected |
| lua5.3 | — | — | — | Not affected | Not affected |
| lua5.4 | — | — | — | Not in release | Not in release |
| lua50 | — | — | — | Not affected | Not affected |
Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.
5 affected packages
lua5.1, lua5.2, lua5.3, lua5.4, lua50
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| lua5.1 | — | — | Not affected | Not affected | Not affected |
| lua5.2 | — | — | Not affected | Not affected | Not affected |
| lua5.3 | — | — | Not affected | Not affected | Not affected |
| lua5.4 | — | — | Not affected | Not in release | Not in release |
| lua50 | — | — | Not in release | Not affected | Not affected |
Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might be achieved by an attacker who is able to trigger a debug.upvaluejoin call in which the arguments have certain relationships.
4 affected packages
lua5.1, lua5.2, lua5.3, lua50
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| lua5.1 | — | — | — | — | Not affected |
| lua5.2 | — | — | — | — | Not affected |
| lua5.3 | — | — | — | — | Fixed |
| lua50 | — | — | — | — | Not affected |
Some fixes available 9 of 16
Buffer overflow in the vararg functions in ldo.c in Lua 5.1 through 5.2.x before 5.2.3 allows context-dependent attackers to cause a denial of service (crash) via a small number of arguments to a function with a large number of...
3 affected packages
lua5.1, lua5.2, lua50
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| lua5.1 | — | — | — | — | — |
| lua5.2 | — | — | — | — | — |
| lua50 | — | — | — | — | — |