CVE-2020-16593 — NULL Pointer Dereference in Binutils

CWE-476 — NULL Pointer Dereference6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 45.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
GNU Binutils
Timeline
PublishedDec 9
Latest updateMay 24

Description

A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35, in scan_unit_for_symbols, as demonstrated in addr2line, that can cause a denial of service via a crafted file.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶Debiangnu/binutils< 2.35-1+3
▶NVDgnu/binutils2.35

🔴Vulnerability Details

3
GHSA
GHSA-vpwc-qjh8-q22p: A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2↗2022-05-24
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OSV
CVE-2020-16593: A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2↗2020-12-09
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CVEList
CVE-2020-16593: A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2↗2020-12-09
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📋Vendor Advisories

2
Red Hat
binutils: Null Pointer Dereference in scan_unit_for_symbols could result in DoS↗2020-12-10
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Debian
CVE-2020-16593: binutils - A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (B...↗2020
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CVE-2020-16593 — NULL Pointer Dereference in Binutils | cvebase