bugGNU troff - Bugs: bug #46470, Global out of bounds read in troff...


bug #46470: Global out of bounds read in troff in function make_glyph_node

Submitted by:  Hanno Boeck <hanno>
Submitted on:  Wed 18 Nov 2015 09:34:42 AM UTC  
Category:  Core Severity:  3 - Normal
Item Group:  Incorrect behaviour Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open Planned Release:  None

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Wed 18 Nov 2015 09:34:42 AM UTC, original submission:

The attached file will cause a global out of bounds read in the troff tool. This can be seen with address sanitizer (-fsanitize=address in cflags).

The file consists just of two bytes ("\("). This was found with american fuzzy lop.

I'll also attach the full address sanitizer stack trace.

Hanno Boeck <hanno>


(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach Files:

Attached Files
file #35490:  troff-global-oob added by hanno (2B - application/octet-stream)
file #35491:  troff-asan-error.txt added by hanno (3KiB - text/plain)


Depends on the following items: None found

Items that depend on this one: None found


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  • -email is unavailable- added by bgarrigues (Updated the item)
  • -email is unavailable- added by hanno (Submitted the item)

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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-09-01 bgarrigues CategoryNone => Core
        Item GroupNone => Incorrect behaviour
    2015-11-18 hanno Attached File- => Added troff-global-oob, #35490
        Attached File- => Added troff-asan-error.txt, #35491

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