CVE-2019-13617: f5 njs Out-of-bounds Read
CVSS: 6.5v3.0MediumModified
Published 16-07-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-13617 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in f5 njs. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
1.31%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 16-07-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
njs through 0.3.3, used in NGINX, has a heap-based buffer over-read in nxt_vsprintf in nxt/nxt_sprintf.c during error handling, as demonstrated by an njs_regexp_literal call that leads to an njs_parser_lexer_error call and then an njs_parser_scope_error call.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.31%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.31% on 18-09-2026
18-09-202618-10-2026
EPSS score1.31%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundNjs
Maturity: poc
Weaknesses
CWE · root causeAffected systems
F51 product
- njs≤ 0.3.3
1 vendor · 1 product
References
2 links- bugs.chromium.org/p/oss-fuzz/issues/detail?id=15093X Refsource MISCPermissions RequiredThird Party Advisory