What’s Vulnerable › Vulnerabilities

CVE-2018-20657

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-01-02 · updated 2026-06-17
• Weakness: CWE-772

Description

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string, leading to a denial of service (memory consumption), as demonstrated by cxxfilt, a related issue to CVE-2018-12698.

Affected products

• F5 Traffix SDC: from 5.0.0 through 5.1.0; 4.4.0
• GNU Binutils: 2.31.1

References

• http://www.securityfocus.com/bid/106444
• https://access.redhat.com/errata/RHSA-2019:3352
• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539
• https://support.f5.com/csp/article/K62602089
• http://www.securityfocus.com/bid/106444
• https://access.redhat.com/errata/RHSA-2019:3352
• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539
• https://support.f5.com/csp/article/K62602089

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