CVE-2023-50472: davegamble cjson NULL Pointer Dereference
CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2023-50472UBUNTU-CVE-2023-50472DEBIAN-CVE-2023-50472
Published 14-12-2023Last modified 28-08-2024
Vulnerability summary
CVE-2023-50472 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in davegamble cjson. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.97%
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 5 · Related 3Timeline
- 14-12-2023PublishedVulnerability first disclosed.
- 28-08-2024Last modifiedVulnerability information updated.
Description
cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_SetValuestring at cJSON.c.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.97%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.97% on 19-09-2026
19-09-202619-10-2026
EPSS score0.97%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCjson
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- cjson< 1.7.17-r0
Davegamble1 product
- cjson1.7.16
Debian1 product
- cjson< 1.7.15-1+deb12u1 | < 1.7.17-1
Ubuntu1 product
- cjson< 1.7.15-1ubuntu0.1~esm2
4 vendors · 4 products
