CVE-2019-11834: davegamble cjson Out-of-bounds Read
CVSS: 9.8v3.1CriticalModified
AliasesDEBIAN-CVE-2019-11834
Published 09-05-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-11834 is a critical (CVSS 9.8) Out-of-bounds Read vulnerability in davegamble cjson. EPSS estimates a 2.52% chance of exploitation in the next 30 days, higher than 84.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 09-05-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
cJSON before 1.7.11 allows out-of-bounds access, related to \x00 in a string literal.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.52%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.52% on 19-09-2026
19-09-202619-10-2026
EPSS score2.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCjson
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Davegamble1 product
- cjson< 1.7.11
Debian1 product
- cjson< 1.7.10-1.1
Oracle1 product
- timesten_in-memory_database< 18.1.3.1.0
3 vendors · 3 products