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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…
High7.5EPSS 4.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 4.0% · top 9.4% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (4)
- 106444 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.f5.com/csp/article/K62602089 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2019:3352 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-20657)Record last updated .