What’s Vulnerable › Vulnerabilities

CVE-2018-20623

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-31 · updated 2026-06-17
• Weakness: CWE-416

Description

In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.

Affected products

• GNU Binutils: 2.31.1

References

• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
• http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
• http://www.securityfocus.com/bid/106370
• https://sourceware.org/bugzilla/show_bug.cgi?id=24049
• https://support.f5.com/csp/article/K38336243
• https://usn.ubuntu.com/4336-1/
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
• http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
• http://www.securityfocus.com/bid/106370
• https://sourceware.org/bugzilla/show_bug.cgi?id=24049
• https://support.f5.com/csp/article/K38336243
• https://usn.ubuntu.com/4336-1/

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