CVE-2024-31755: cjson_project cjson NULL Pointer Dereference
CVSS: 7.6v3.1HighAnalyzed
AliasesMGASA-2024-0324RHSA-2025:9022RHSA-2025:9203UBUNTU-CVE-2024-31755DEBIAN-CVE-2024-31755openSUSE-SU-2024:14021-1
Published 26-04-2024Last modified 02-08-2024
Vulnerability summary
CVE-2024-31755 is a high (CVSS 7.6) NULL Pointer Dereference vulnerability in cjson_project cjson. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.6/10
010
High · v3.1 (CVE.org)EPSS score
0.65%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 26-04-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
cJSON v1.7.17 was discovered to contain a segmentation violation, which can trigger through the second parameter of function cJSON_SetValuestring at cJSON.c.
CVSS metrics
5 scores · 5 sources · 1 versionHigh 7.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:HSources5 sources · 7.5–7.6
- OSV · Red hatEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.6HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
- OSV · DebianEcosystem advisory · calculated7.6HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
- NVDNIST7.6HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
EPSS trend
Probability
0.65%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.64% on 20-09-2026
20-09-202620-10-2026
EPSS score0.65%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCjson
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Redhat3 products
- cjson< 0:1.7.18-1.el9sat | < 0:1.7.18-1.el8sat
- cjson-debuginfo< 0:1.7.18-1.el9sat | < 0:1.7.18-1.el8sat
- cjson-debugsource< 0:1.7.18-1.el9sat | < 0:1.7.18-1.el8sat
Cjson_project1 product
- cjson1.7.17
Debian1 product
- cjson< 1.7.15-1+deb12u2 | < 1.7.18-1
Mageia1 product
- cjson< 1.7.15-2.2.mga9
Opensuse1 product
- cJSON&distro=openSUSE Tumbleweed< 1.7.18-1.1
Ubuntu1 product
- cjson< 1.7.15-1ubuntu0.1~esm2 | < 1.7.17-1ubuntu0.1~esm2
6 vendors · 8 products
