CVE-2018-20657
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.00% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-772
- Affected
- gnu/binutils · f5/traffix signaling delivery controller
- Source
- cve@mitre.org
EPSS 4.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/106444Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:3352
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539Exploit, Issue Tracking, Third Party Advisory
- https://support.f5.com/csp/article/K62602089Third Party Advisory
- http://www.securityfocus.com/bid/106444Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:3352
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539Exploit, Issue Tracking, Third Party Advisory
- https://support.f5.com/csp/article/K62602089Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.