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Fencer Vulns
high 8.6

CVE-2022-4904 json

A flaw was found in the c-ares package.

published 2023-03-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52159

cvss
8.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

A flaw was found in the c-ares package. The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact on confidentiality and integrity.

Patch / fix

  • c-ares_project c-ares 1.19.0
  • c-ares Debian 14, Debian 13, Debian 12 1.18.1-2

debian advisories DEBIAN-CVE-2022-4904

  • c-ares Ubuntu 18.04 LTS 1.14.0-1ubuntu0.2
  • c-ares Ubuntu 20.04 LTS 1.15.0-1ubuntu0.2
  • c-ares Ubuntu 22.04 LTS 1.18.1-1ubuntu0.22.04.1
  • c-ares Ubuntu Pro 16.04 LTS 1.10.0-3ubuntu0.2+esm4

ubuntu advisories UBUNTU-CVE-2022-4904

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

  • npm RHEL 9 1:9.5.0-1.18.14.2.2.module+el9.2.0.z+18497+a402347c
  • nodejs RHEL 9 1:18.14.2-2.module+el9.2.0.z+18497+a402347c
  • nodejs-nodemon RHEL 9 2.0.20-2.module+el9.2.0.z+18497+a402347c
  • nodejs-full-i18n RHEL 9 1:18.14.2-2.module+el9.2.0.z+18497+a402347c
  • nodejs-packaging RHEL 9 2021.06-4.module+el9.1.0+15718+e52ec601
  • nodejs-packaging-bundler RHEL 9 2021.06-4.module+el9.1.0+15718+e52ec601
  • npm RHEL 8 1:8.19.3-1.16.19.1.1.module+el8.7.0+18373+704f5cef
  • nodejs RHEL 8 1:16.19.1-1.module+el8.7.0+18373+704f5cef

red hat advisories RHSA-2023:2654RHSA-2023:1582RHSA-2023:1743RHSA-2023:1742RHSA-2023:1533RHSA-2023:1744

  • libcares2 SLES for SAP 12 SP5, SLES 12 SP5, SLE Workstation Extension 12 SP5 +1 more 1.9.1-9.15.1
  • c-ares SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES for SAP 15 SP1 +18 more 1.19.0-150000.3.20.1

suse advisories SUSE-SU-2023:3420-1SUSE-SU-2023:0486-1

  • c-ares openSUSE Tumbleweed 1.19.0-2.1

opensuse advisories openSUSE-SU-2024:12674-1

  • c-ares AlmaLinux 8 1.13.0-8.el8
  • c-ares AlmaLinux 9 1.19.1-1.el9
  • npm AlmaLinux 8 1:9.5.0-1.18.14.2.3.module_el8.8.0+3587+ee652244
  • nodejs AlmaLinux 8 1:18.14.2-3.module_el8.8.0+3587+ee652244
  • nodejs-nodemon AlmaLinux 8 2.0.20-2.module_el8.8.0+3587+ee652244
  • nodejs-full-i18n AlmaLinux 8 1:18.14.2-3.module_el8.8.0+3587+ee652244
  • nodejs-packaging AlmaLinux 8 2021.06-4.module_el8.7.0+3343+ea2b7901
  • nodejs-packaging-bundler AlmaLinux 8 2021.06-4.module_el8.7.0+3343+ea2b7901

almalinux advisories ALSA-2023:7116ALSA-2023:6635ALSA-2023:4035ALSA-2023:2654ALSA-2023:2655ALSA-2023:1743

  • nodejs-packaging Rocky Linux 9 2021.06-4.module+el9.7.0+40025+0e0cf6b2
  • nodejs-packaging Rocky Linux 9 2021.06-4.module+el9.7.0+40017+f0db1785
  • nodejs-packaging Rocky Linux 9 2021.06-4.module+el9.7.0+40018+a011993d
  • nodejs-packaging Rocky Linux 9 2021.06-4.module+el9.7.0+40022+9ecc286c
  • nodejs Rocky Linux 8 1:18.14.2-3.module+el8.8.0+1337+7ea46b57
  • nodejs-nodemon Rocky Linux 8 2.0.20-2.module+el8.7.0+1177+510ae886
  • nodejs-packaging Rocky Linux 8 2021.06-4.module+el8.7.0+1072+5b168780
  • nodejs Rocky Linux 9 1:16.19.1-1.el9_2

rocky linux advisories RLSA-2023:2654RLSA-2023:4035RLSA-2023:2655RLSA-2023:1743RLSA-2023:1582

  • c-ares CBL-Mariner 2.0 1.19.0-1
  • nodejs CBL-Mariner 2.0 16.20.1-2
  • python-gevent CBL-Mariner 2.0 21.1.2-3
  • grpc Azure Linux 3.0 1.62.0-2

azure linux advisories AZL-13817AZL-13827AZL-13828AZL-34775

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-2022-4904 updated cvss 8.6

c-ares: buffer overflow in config_sortlist() due to missing string length check

  • Red Hat Enterprise Linux 6 c-ares
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 c-ares
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux AppStream (v. 8) nodejs 14.21.3-1.module+el8.7.0+18531+81d21ca6, nodejs 16.19.1-1.module+el8.7.0+18373+704f5cef, nodejs 18.14.2-3.module+el8.8.0+19021+4b8b11cc, nodejs-packaging 23-3.module+el8.3.0+6519+9f98ed83, nodejs-packaging 25-1.module+el8.5.0+10992+fac5fe06, npm 9.5.0-1.18.14.2.3.module+el8.8.0+19021+4b8b11cc, +10 more
    fixed: vendor fix RHSA-2023:1743
  • Red Hat Enterprise Linux AppStream (v. 9) nodejs 16.19.1-1.el9_2, nodejs-libs 16.19.1-1.el9_2, npm 8.19.3-1.16.19.1.1.el9_2, nodejs-full-i18n 16.19.1-1.el9_2, nodejs 18.14.2-2.module+el9.2.0.z+18497+a402347c, npm 9.5.0-1.18.14.2.2.module+el9.2.0.z+18497+a402347c, +4 more
    fixed: vendor fix RHSA-2023:2655
  • Red Hat Enterprise Linux AppStream EUS (v.8.4) nodejs 14.21.3-1.module+el8.4.0+18317+43f5ac16, nodejs-packaging 23-3.module+el8.3.0+6519+9f98ed83, nodejs-nodemon 2.0.20-3.module+el8.4.0+18317+43f5ac16, npm 6.14.18-1.14.21.3.1.module+el8.4.0+18317+43f5ac16, nodejs-full-i18n 14.21.3-1.module+el8.4.0+18317+43f5ac16
    fixed: vendor fix RHSA-2023:1533
  • Red Hat Enterprise Linux AppStream EUS (v.8.6) nodejs 14.21.3-1.module+el8.6.0+18532+cbe6f646, nodejs-packaging 23-3.module+el8.3.0+6519+9f98ed83, nodejs-nodemon 2.0.20-3.module+el8.6.0+18532+cbe6f646, npm 6.14.18-1.14.21.3.1.module+el8.6.0+18532+cbe6f646, nodejs-full-i18n 14.21.3-1.module+el8.6.0+18532+cbe6f646
    fixed: vendor fix RHSA-2023:1742
  • Red Hat Enterprise Linux AppStream EUS (v.9.0) nodejs 16.20.2-1.el9_0, nodejs-libs 16.20.2-1.el9_0, npm 8.19.4-1.16.20.2.1.el9_0, nodejs-full-i18n 16.20.2-1.el9_0
    fixed: vendor fix RHSA-2023:6291
  • Red Hat Enterprise Linux AppStream EUS (v.9.2) c-ares-devel 1.17.1-5.el9_2.2, c-ares-debuginfo 1.17.1-5.el9_2.2, c-ares-debugsource 1.17.1-5.el9_2.2
    fixed: vendor fix RHSA-2023:7368
show 7 more
  • Red Hat Enterprise Linux BaseOS (v. 8) c-ares 1.13.0-8.el8
    fixed: vendor fix RHSA-2023:7116
  • Red Hat Enterprise Linux BaseOS (v. 9) c-ares 1.19.1-1.el9
    fixed: vendor fix RHSA-2023:6635
  • Red Hat Enterprise Linux BaseOS EUS (v.8.8) c-ares 1.13.0-6.el8_8.3
    fixed: vendor fix RHSA-2023:7543
  • Red Hat Enterprise Linux BaseOS EUS (v.9.0) c-ares 1.17.1-5.el9_0.2
    fixed: vendor fix RHSA-2023:6291
  • Red Hat Enterprise Linux BaseOS EUS (v.9.2) c-ares 1.17.1-5.el9_2.2
    fixed: vendor fix RHSA-2023:7368
  • Red Hat Software Collections for RHEL Workstation(v. 7) rh-nodejs14 3.6-2.el7, rh-nodejs14-runtime 3.6-2.el7, rh-nodejs14-scldevel 3.6-2.el7, rh-nodejs14-nodejs 14.21.3-2.el7, rh-nodejs14-npm 6.14.18-14.21.3.2.el7, rh-nodejs14-nodejs-full-i18n 14.21.3-2.el7 Red Hat Software Collections for RHEL(v. 7) rh-nodejs14 3.6-2.el7, rh-nodejs14-runtime 3.6-2.el7, rh-nodejs14-scldevel 3.6-2.el7, rh-nodejs14-nodejs 14.21.3-2.el7, rh-nodejs14-npm 6.14.18-14.21.3.2.el7, rh-nodejs14-nodejs-full-i18n 14.21.3-2.el7
    fixed: vendor fix RHSA-2023:1744
  • Red Hat Enterprise Linux AppStream (v. 9) nodejs-nodemon 2.0.20-3.el9_2
    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

cisa ICSA-24-046-11 updated cvss 8.6

Siemens SCALANCE XCM-/XRM-300

  • Siemens SCALANCE XCH328 (6GK5328-4TS01-2EC2) <V2.4 Siemens SCALANCE XCM324 (6GK5324-8TS01-2AC2) <V2.4 Siemens SCALANCE XCM328 (6GK5328-4TS01-2AC2) <V2.4 Siemens SCALANCE XCM332 (6GK5332-0GA01-2AC2) <V2.4 Siemens SCALANCE XRH334 (24 V DC, 8xFO, CC) (6GK5334-2TS01-2ER3) <V2.4 Siemens SCALANCE XRM334 (2x230 V AC, 8xFO) (6GK5334-2TS01-4AR3) <V2.4
    +5 more products
    Siemens SCALANCE XRM334 (2x230 V AC, 12xFO) (6GK5334-3TS01-4AR3) <V2.4 Siemens SCALANCE XRM334 (24 V DC, 8xFO) (6GK5334-2TS01-2AR3) <V2.4 Siemens SCALANCE XRM334 (24 V DC, 12xFO) (6GK5334-3TS01-2AR3) <V2.4 Siemens SCALANCE XRM334 (230 V AC, 8xFO) (6GK5334-2TS01-3AR3) <V2.4 Siemens SCALANCE XRM334 (230 V AC, 12xFO) (6GK5334-3TS01-3AR3) <V2.4
    affected: fixed in V2.4 support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
11 mo ago

Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/c-ares/c-ares/issues/496 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
NVD 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CNA 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected products

  • n/a c-ares

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-1284 Improper Validation of Specified Quantity in Input

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.