CVE-2019-13617
CVE-2019-13617 is a medium-severity vulnerability in F5 Njs with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: F5 Njs
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2019-13617?
- 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.
- How severe is CVE-2019-13617?
- CVE-2019-13617 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-13617 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-13617?
- CVE-2019-13617 affects F5 Njs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-13617?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-13617 published?
- CVE-2019-13617 was published on 2019-07-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:f5:njs:*:*:*:*:*:*:*:*
More vulnerabilities in F5 Njs
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