CVE-2024-47855

JSON-lib mishandles an unbalanced comment string

5.3 MediumFix available

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: Low

Exploit likelihood

17.6%Up 17.5 points since Oct 5, 2024

What each source reports

CVE List Score used 5.3

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.

Record: CVE-2024-47855
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

EUVDEUVD-2024-3157 5.3

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.

Record: EUVD-2024-3157
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-wwcp-26wc-3fxm 6.9

JSON-lib mishandles an unbalanced comment string

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.

Record: GHSA-wwcp-26wc-3fxm
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

NVD 5.3

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.

Record: CVE-2024-47855
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSV 5.3

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.

Record: CVE-2024-47855
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVDEBIAN-CVE-2024-47855 5.3

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.

Record: DEBIAN-CVE-2024-47855
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

Show 10 moreShow less

OSVGHSA-wwcp-26wc-3fxm 6.9

JSON-lib mishandles an unbalanced comment string

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.

Record: GHSA-wwcp-26wc-3fxm
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVOESA-2024-2228 4.0

json-lib security update

JSON-lib is a java library for transforming beans, maps, collections, java arrays and XML to JSON and back again to beans and DynaBeans.

Security Fix(es):

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.(CVE-2024-47855)

Record: OESA-2024-2228
CVSS 3.1: 4.0 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVRHSA-2025:2218 8.0

Red Hat Security Advisory: Red Hat Product OCP Tools 4.17 Openshift Jenkins security update

Record: RHSA-2025:2218
CVSS 3.1: 8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2025:2219 8.0

Red Hat Security Advisory: Red Hat Product OCP Tools 4.16 Openshift Jenkins security update

Record: RHSA-2025:2219
CVSS 3.1: 8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2025:2220 8.0

Red Hat Security Advisory: Red Hat Product OCP Tools 4.15 Openshift Jenkins security update

Record: RHSA-2025:2220
CVSS 3.1: 8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2025:2221 8.0

Red Hat Security Advisory: Red Hat Product OCP Tools 4.14 Openshift Jenkins security update

Record: RHSA-2025:2221
CVSS 3.1: 8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2025:2222 8.0

Red Hat Security Advisory: Red Hat Product OCP Tools 4.13 Openshift Jenkins security update

Record: RHSA-2025:2222
CVSS 3.1: 8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2025:2223 8.0

Red Hat Security Advisory: Red Hat Product OCP Tools 4.12 Openshift Jenkins security update

Record: RHSA-2025:2223
CVSS 3.1: 8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2024-47855 5.3

util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.

Record: UBUNTU-CVE-2024-47855
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVSUSE-SU-2024:3543-1 No score

Security update for json-lib

This update for json-lib fixes the following issues:

CVE-2024-47855: Fixed mishandled unbalanced comment string (bsc#1231295)

Record: SUSE-SU-2024:3543-1
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`org.kordamp.json:json-lib-core` Maven	before 3.1.0	3.1.0
`net.sf.json-lib:json-lib` Maven	through 2.4	None known
`libjson-java` Debian:12	All versions, plus listed versions 2.4-3.13.1.0+dfsg-13.1.0+dfsg-23.2.0+dfsg-13.2.0+dfsg-23.2.0+dfsg-3	None known
`libjson-java` Debian:13	before 3.1.0+dfsg-1	3.1.0+dfsg-1
`libjson-java` Debian:14	before 3.1.0+dfsg-1	3.1.0+dfsg-1
`org.kordamp.json:json-lib-core` Maven	before 3.1.0, plus listed versions 3.0.13.0.23.0.3	3.1.0
`net.sf.json-lib:json-lib` Maven	through 2.4, plus listed versions 0.7.10.80.91.01.0.1 Show 8 moreShow less 1.12.02.12.22.2.12.2.22.2.32.3	None known
`json-lib` openEuler:22.03-LTS-SP3	before 2.4-23.oe2203sp3	2.4-23.oe2203sp3
`json-lib` openEuler:20.03-LTS-SP4	before 2.4-21.oe2003sp4	2.4-21.oe2003sp4
`json-lib` openEuler:22.03-LTS-SP1	before 2.4-23.oe2203sp1	2.4-23.oe2203sp1

Show 24 moreShow less

Affected packages
Package	Affected	Fixed
`json-lib` openEuler:24.03-LTS	before 2.4-23.oe2403	2.4-23.oe2403
`json-lib` openEuler:22.03-LTS-SP4	before 2.4-23.oe2203sp4	2.4-23.oe2203sp4
`jenkins` Red Hat:ocp_tools:4.17::el9 From an advisory covering 5 CVEs	before 0:2.479.3.1739859586-3.el9	0:2.479.3.1739859586-3.el9
`jenkins-2-plugins` Red Hat:ocp_tools:4.17::el9 From an advisory covering 5 CVEs	before 0:4.17.1739859908-1.el9	0:4.17.1739859908-1.el9
`jenkins` Red Hat:ocp_tools:4.16::el9 From an advisory covering 5 CVEs	before 0:2.479.3.1739896390-3.el9	0:2.479.3.1739896390-3.el9
`jenkins-2-plugins` Red Hat:ocp_tools:4.16::el9 From an advisory covering 5 CVEs	before 0:4.16.1739896683-1.el9	0:4.16.1739896683-1.el9
`jenkins` Red Hat:ocp_tools:4.15::el8 From an advisory covering 5 CVEs	before 0:2.479.3.1740051993-3.el8	0:2.479.3.1740051993-3.el8
`jenkins-2-plugins` Red Hat:ocp_tools:4.15::el8 From an advisory covering 5 CVEs	before 0:4.15.1740052174-1.el8	0:4.15.1740052174-1.el8
`jenkins` Red Hat:ocp_tools:4.14::el8 From an advisory covering 5 CVEs	before 0:2.479.3.1740109575-3.el8	0:2.479.3.1740109575-3.el8
`jenkins-2-plugins` Red Hat:ocp_tools:4.14::el8 From an advisory covering 5 CVEs	before 0:4.14.1740109868-1.el8	0:4.14.1740109868-1.el8
`jenkins` Red Hat:ocp_tools:4.13::el8 From an advisory covering 5 CVEs	before 0:2.479.3.1740464433-3.el8	0:2.479.3.1740464433-3.el8
`jenkins-2-plugins` Red Hat:ocp_tools:4.13::el8 From an advisory covering 5 CVEs	before 0:4.13.1740464698-1.el8	0:4.13.1740464698-1.el8
`jenkins` Red Hat:ocp_tools:4.12::el8 From an advisory covering 6 CVEs	before 0:2.479.3.1740464431-3.el8	0:2.479.3.1740464431-3.el8
`jenkins-2-plugins` Red Hat:ocp_tools:4.12::el8 From an advisory covering 6 CVEs	before 0:4.12.1740464689-1.el8	0:4.12.1740464689-1.el8
`json-lib` openSUSE:Leap 15.5	before 2.4-150200.3.7.1	2.4-150200.3.7.1
`json-lib` openSUSE:Leap 15.6	before 2.4-150200.3.7.1	2.4-150200.3.7.1
`libjson-java` Ubuntu:16.04:LTS	All versions, plus listed versions 2.3-32.4-12.4-2	None known
`libjson-java` Ubuntu:18.04:LTS	All versions, plus listed versions 2.4-3	None known
`libjson-java` Ubuntu:20.04:LTS	All versions, plus listed versions 2.4-3	None known
`libjson-java` Ubuntu:22.04:LTS	All versions, plus listed versions 2.4-3.1	None known
`libjson-java` Ubuntu:24.04:LTS	All versions, plus listed versions 2.4-3.1	None known
`libjson-java` Ubuntu:25.10	All versions, plus listed versions 3.1.0+dfsg-2	None known
`libjson-java` Ubuntu:26.10	All versions, plus listed versions 3.2.0+dfsg-2	None known
`libjson-java` Ubuntu:26.04:LTS	All versions, plus listed versions 3.1.0+dfsg-23.2.0+dfsg-2	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-47855 is a medium vulnerability (CVSS 5.3) in json-lib, published October 4, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 17.6%, the 97th percentile. Fixed in org.kordamp.json:json-lib-core 3.1.0.

References

Show 53 moreShow less