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Bug#1034845: marked as done (lua5.1: CVE-2021-43519)



Your message dated Tue, 27 Jun 2023 12:35:11 +0200
with message-id <ZJq7Xz6/BwoWF2pe@debian.org>
and subject line Re: Bug#1034847: lua5.3: CVE-2021-43519
has caused the Debian Bug report #1034845,
regarding lua5.1: CVE-2021-43519
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
1034845: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1034845
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Source: lua5.1
X-Debbugs-CC: team@security.debian.org
Severity: important
Tags: security

Hi,

The following vulnerability was published for lua5.1.

CVE-2021-43519[0]:
| Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4
| allows attackers to perform a Denial of Service via a crafted script
| file.

http://lua-users.org/lists/lua-l/2021-10/msg00123.html
http://lua-users.org/lists/lua-l/2021-11/msg00015.html
Fixed by: https://github.com/lua/lua/commit/74d99057a5146755e737c479850f87fd0e3b6868


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-43519
    https://www.cve.org/CVERecord?id=CVE-2021-43519

Please adjust the affected versions in the BTS as needed.

--- End Message ---
--- Begin Message ---
Hi,

On Fri, 23 Jun 2023 at 21:49:21 +0200, Salvatore Bonaccorso wrote:
> Your analysis at first glance seems to make sense, but to be on safe
> side, unless jmm seems it to fit, I would rather go with the still
> affected, but ignored for stable and older suites.
>
> If you can prod upstream to double-check with them if you have indeed
> found the introducing commit, then we can update the CVE entry
> accordingly.

Closing #103484[567] per upstream reply at http://lua-users.org/lists/lua-l/2023-06/msg00063.html
and https://salsa.debian.org/security-tracker-team/security-tracker/-/commit/3b6a9341 .

-- 
Guilhem.

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