Bug 2233934 (CVE-2020-19726) - CVE-2020-19726 binutils: heap-based buffer overflow in bfd_getl32() in bfd/libbfd.c
Summary: CVE-2020-19726 binutils: heap-based buffer overflow in bfd_getl32() in bfd/li...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-19726
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2233938 2233939 2233940 2234059 2234060 2234061 2234062 2234063 2234064 2234065 2234066 2234067 2234068 2234069 2234070 2234071 2234072 2234073
Blocks: 2233947
TreeView+ depends on / blocked
 
Reported: 2023-08-23 19:06 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-11-14 11:21 UTC (History)
30 users (show)

Fixed In Version:
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Doc Text:
A heap-based buffer overflow was found in binutils in the bfd_getl32() function, relating to the auxiliary symbol data. This flaw allows an attacker to read or write to system memory or cause a denial of service.
Clone Of:
Environment:
Last Closed: 2023-11-09 09:15:04 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2023-08-23 19:06:36 UTC 
An issue was discovered in binutils libbfd.c 2.36 relating to the auxiliary symbol data allows attackers to read or write to system memory or cause a denial of service.

References:
https://sourceware.org/bugzilla/show_bug.cgi?id=26241
https://sourceware.org/bugzilla/show_bug.cgi?id=26240
Comment 1 Guilherme de Almeida Suckevicz 2023-08-23 19:10:58 UTC 
Created binutils tracking bugs for this issue:

Affects: fedora-all [bug 2233938]


Created gdb tracking bugs for this issue:

Affects: fedora-all [bug 2233939]


Created mingw-binutils tracking bugs for this issue:

Affects: fedora-all [bug 2233940]
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