Files:
[tmp_line.scr.gz](https://github.com/LibreDWG/libredwg/files/10347712/tmp_line.scr.gz)
[tmp_line.dxf.gz](https://github.com/LibreDWG/libredwg/files/10347713/tmp_line.dxf.gz)
[tmp_line.dwg.gz](https://github.com/LibreDWG/libredwg/files/10347714/tmp_line.dwg.gz)

There is tmp line entity actually:
```
type: 129 [RCd]
Add entity LINE [11] Decode entity LINE
===========================
Entity number: 11, Type: 129, Addr: 512
flag_r11: 0x4 [RC 0]
          HAS_ELEVATION (4)
size: 40 [RS]
layer: 0 [H(RSd) 8]
opts_r11: 0x0 [RSx 0]
elevation_r11: 6.000000 [RD 38]
start: (1.000000, 7.000000) [2RD 10]
end: (2.000000, 0.000000) [2RD 11]
ERROR: offset -8
```
Type: 129 → bad usage of elevation
issue with tmp line entity
This is a GitHub Issue
repo:libredwg
owner:LibreDWG
Title : issue with tmp line entity
Issue date:

--- start body ---
Files:
[tmp_line.scr.gz](https://github.com/LibreDWG/libredwg/files/10347712/tmp_line.scr.gz)
[tmp_line.dxf.gz](https://github.com/LibreDWG/libredwg/files/10347713/tmp_line.dxf.gz)
[tmp_line.dwg.gz](https://github.com/LibreDWG/libredwg/files/10347714/tmp_line.dwg.gz)

There is tmp line entity actually:
```
type: 129 [RCd]
Add entity LINE [11] Decode entity LINE
===========================
Entity number: 11, Type: 129, Addr: 512
flag_r11: 0x4 [RC 0]
          HAS_ELEVATION (4)
size: 40 [RS]
layer: 0 [H(RSd) 8]
opts_r11: 0x0 [RSx 0]
elevation_r11: 6.000000 [RD 38]
start: (1.000000, 7.000000) [2RD 10]
end: (2.000000, 0.000000) [2RD 11]
ERROR: offset -8
```
Type: 129 → bad usage of elevation
--- end body ---

The issue describes a problem with the handling of a temporary line entity in the LibreDWG library, specifically related to the elevation attribute of the line entity. However, it does not indicate a security vulnerability, but rather a functionality issue with the parsing of certain DWG files.