#2775 avm1 invalid ConstantPool entries cause no code output

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List of issues

Author:

Randomno

Date created: 10/31/2026, 1:40:15 pm

Type: bug

Visibility: Everybody

Assigned to:

Labels: AS1/2 Obfuscated

State: upgraded Help

> What steps will reproduce the problem? Open any DoAction of attached SWF. > What is the expected output? What do you see instead? Code output, instead both P-Code and ActionScript source are blank with no error logs. > What version of the product are you using? Is it "nightly build"? Which operating system do you have? 26.2.0 > Please provide any additional information below. If the problem is related to a SWF file, attach it here, otherwise we can't help you. See https://github.com/ruffle-rs/ruffle/issues/9785

troyis_chess.swf (253 KiB)

System

10/31/2026, 6:52:12 pm

GitHub commit - fix: handle invalid count of items in ActionConstantPool (#2775)

System

10/31/2026, 6:52:12 pm

Upcoming nightly version: 3610

System

10/31/2026, 7:08:09 pm

Nightly version 3610 released.

System

10/31/2026, 8:16:58 pm

GitHub commit - fix(as1/2): handle too short ActionTry (#2775)

System

10/31/2026, 8:16:58 pm

GitHub commit - fix(as1/2 deobfuscation): include ActionInitObject and ActionInitArray (#2775)

System

10/31/2026, 8:16:58 pm

Upcoming nightly version: 3611

System

10/31/2026, 8:34:41 pm

Nightly version 3611 released.

JPEXS

10/31/2026, 10:01:52 pm

It is fixed in nightly 3611.

State: new→upgraded