7.5

CVE-2018-20657: f5 traffix_signaling_delivery_controller

CVSS: 7.5v3.0HighModified
AliasesRHSA-2019:3352UBUNTU-CVE-2018-20657
Published 02-01-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-20657 is a high (CVSS 7.5) vulnerability in f5 traffix_signaling_delivery_controller. EPSS estimates a 4.00% chance of exploitation in the next 30 days, higher than 90.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
4.00%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 02-01-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.00%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

-0.03 pp

From 4.04% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.00%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gcc.gnu.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Redhat6 products
  • gdb< 0:8.2-6.el8
  • gdb-debuginfo< 0:8.2-6.el8
  • gdb-debugsource< 0:8.2-6.el8
  • gdb-doc< 0:8.2-6.el8
  • gdb-gdbserver< 0:8.2-6.el8
F51 product
Gnu1 product
Ubuntu1 product
  • binutilsAll versions (No fix recorded)

4 vendors · 9 products

References

12 links
Show all 12 references