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Fencer Vulns
low 3.3

CVE-2025-2588 json

Hercules Augeas fa.c re_case_expand null pointer dereference

published 2025-03-21 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-7258

cvss
3.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits
0
none known

Summary

A vulnerability has been found in Hercules Augeas 1.14.1 and classified as problematic. This vulnerability affects the function re_case_expand of the file src/fa.c. The manipulation of the argument re leads to null pointer dereference. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Patch / fix

  • augeas Debian 12 1.14.0-1+deb12u1
  • augeas Debian 13 1.14.1-1.1~deb13u1
  • augeas Debian 14 1.14.1-1.1

debian advisories DEBIAN-CVE-2025-2588

  • augeas Linux Micro 6.1 1.14.1-slfo.1.1_2.1
  • augeas SLE Module for Basesystem 15 SP7, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 1.14.1-150600.3.3.1
  • augeas SLE Micro 5.2, SLE Micro 5.1 1.10.1-150000.3.15.1
  • augeas Linux Micro 6.0 1.14.1-2.1
  • augeas SLE Micro 5.5, SLE Micro 5.4, SLE Micro 5.3 1.12.0-150400.3.8.1
  • augeas SLES LTSS Extended Security 12 SP5 1.10.1-4.6.1

suse advisories SUSE-SU-2025:20415-1SUSE-SU-2025:01534-1SUSE-SU-2025:01763-1SUSE-SU-2025:01754-1SUSE-SU-2025:20345-1SUSE-SU-2025:1534-1

  • augeas openSUSE Tumbleweed 1.14.1-2.1

opensuse advisories openSUSE-SU-2025:15021-1

  • augeas CBL-Mariner 2.0, Azure Linux 3.0 1.12.0-6

azure linux advisories AZL-58945AZL-58951

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2025-2588 updated cvss 3.3

augeas: Hercules Augeas fa.c re_case_expand null pointer dereference

  • Red Hat Enterprise Linux 10 augeas
    affected: workaround, no fix available “Fix deferred”

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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/hercules-team/augeas/issues/852#issue-2905999609 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/hercules-team/augeas/issues/852 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA 2.0 1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected products

  • Hercules Augeas

Classification

Weakness
  • CWE-476 NULL Pointer Dereference
  • CWE-404 Improper Resource Shutdown or Release

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.