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Fencer Vulns
critical 9.8

CVE-2017-7555 json

Augeas versions up to and including 1.8.0 are vulnerable to heap-based buffer overflow due to improper handling of escaped strings.

published 2017-08-17 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16563

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Augeas versions up to and including 1.8.0 are vulnerable to heap-based buffer overflow due to improper handling of escaped strings. Attacker could send crafted strings that would cause the application using augeas to copy past the end of a buffer, leading to a crash or possible code execution.

Patch / fix

  • augeas Debian 14, Debian 13, Debian 12 1.8.1-1

debian advisories DEBIAN-CVE-2017-7555

  • augeas Ubuntu 14.04 LTS 1.2.0-0ubuntu1.3
  • augeas Ubuntu 16.04 LTS 1.4.0-0ubuntu1.1

ubuntu advisories UBUNTU-CVE-2017-7555

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • augeas RHEL 7 1.4.0-2.el7_4.1
  • augeas-libs RHEL 7 1.4.0-2.el7_4.1
  • augeas RHEL 7.3 TUS, RHEL 7.3 E4S, RHEL 7.3 AUS 1.4.0-2.el7_3.1
  • augeas-libs RHEL 7.3 TUS, RHEL 7.3 E4S, RHEL 7.3 AUS 1.4.0-2.el7_3.1

red hat advisories RHSA-2019:2403RHSA-2017:2788

  • augeas SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 0.9.0-3.21.3.1
  • augeas SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +2 more 1.2.0-12.3.1
  • augeas SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 1.2.0-17.3.1

suse advisories SUSE-SU-2018:0653-1SUSE-SU-2018:0652-1SUSE-SU-2018:0650-1

  • augeas Alpine 3.3 1.4.0-r5
  • augeas Alpine 3.4 1.5.0-r1
  • augeas Alpine 3.5 1.6.0-r1
  • augeas Alpine 3.6 1.8.1-r0

alpine advisories ALPINE-CVE-2017-7555

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

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-2017-7555 updated cvss 7.8

augeas: Improper handling of escaped strings leading to memory corruption

  • Red Hat Enterprise Linux 6 augeas, augeas-libs
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 rhev-hypervisor
    affected: no fix available
  • Red Hat Enterprise Linux OpenStack Platform 6 (Juno) Installer augeas
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Virtualization 3 rhev-hypervisor6
    affected: no fix planned “Out of support scope”
  • Red Hat Storage 3 augeas, augeas-libs
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) augeas 1.4.0-2.el7_4.1, augeas-libs 1.4.0-2.el7_4.1 Red Hat Enterprise Linux Client Optional (v. 7) augeas-devel 1.4.0-2.el7_4.1, augeas-debuginfo 1.4.0-2.el7_4.1 Red Hat Enterprise Linux ComputeNode (v. 7) augeas 1.4.0-2.el7_4.1, augeas-libs 1.4.0-2.el7_4.1 Red Hat Enterprise Linux ComputeNode Optional (v. 7) augeas-devel 1.4.0-2.el7_4.1, augeas-debuginfo 1.4.0-2.el7_4.1 Red Hat Enterprise Linux Server (v. 7) augeas 1.4.0-2.el7_4.1, augeas-libs 1.4.0-2.el7_4.1
    fixed: vendor fix RHSA-2017:2788
  • Red Hat Enterprise Linux Server AUS (v. 7.3) augeas 1.4.0-2.el7_3.1, augeas-libs 1.4.0-2.el7_3.1 Red Hat Enterprise Linux Server E4S (v. 7.3) augeas 1.4.0-2.el7_3.1, augeas-libs 1.4.0-2.el7_3.1
    fixed: vendor fix RHSA-2019:2403
  • Red Hat Enterprise Linux Server Optional (v. 7) augeas-devel 1.4.0-2.el7_4.1, augeas-debuginfo 1.4.0-2.el7_4.1
    fixed: vendor fix RHSA-2017:2788
show 2 more
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.3) augeas-devel 1.4.0-2.el7_3.1, augeas-debuginfo 1.4.0-2.el7_3.1 Red Hat Enterprise Linux Server Optional E4S (v. 7.3) augeas-devel 1.4.0-2.el7_3.1, augeas-debuginfo 1.4.0-2.el7_3.1 Red Hat Enterprise Linux Server Optional TUS (v. 7.3) augeas-devel 1.4.0-2.el7_3.1, augeas-debuginfo 1.4.0-2.el7_3.1 Red Hat Enterprise Linux Server TUS (v. 7.3) augeas 1.4.0-2.el7_3.1, augeas-libs 1.4.0-2.el7_3.1
    fixed: vendor fix RHSA-2019:2403
  • Red Hat Enterprise Linux Workstation (v. 7) augeas 1.4.0-2.el7_4.1, augeas-libs 1.4.0-2.el7_4.1 Red Hat Enterprise Linux Workstation Optional (v. 7) augeas-devel 1.4.0-2.el7_4.1, augeas-debuginfo 1.4.0-2.el7_4.1
    fixed: vendor fix RHSA-2017:2788

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

5.20% chance of exploitation in the next 30 days, higher than 92% 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

Affected products

  • Red Hat, Inc. augeas

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.