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Fencer Vulns
critical 9.8

CVE-2016-8606 json

The REPL server (--listen) in GNU Guile 2.0.12 allows an attacker to execute arbitrary code via an HTTP inter-protocol attack.

published 2017-01-12 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9453

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.2%
EPSS 4.2% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

The REPL server (--listen) in GNU Guile 2.0.12 allows an attacker to execute arbitrary code via an HTTP inter-protocol attack.

Patch / fix

  • guile openSUSE Tumbleweed 2.0.13-2.1

opensuse advisories openSUSE-SU-2024:10389-1

  • guile Alpine 3.4 2.0.11-r3

alpine advisories ALPINE-CVE-2016-8606

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • guile Arch Linux 2.0.13-1

arch linux advisories AVG-47

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-8606 updated cvss 8.3

guile: REPL server vulnerable to HTTP inter-protocol attacks

  • Red Hat Enterprise Linux 7 guile
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 5 guile Red Hat Enterprise Linux 6 guile
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.22% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.