CVE-2019-13067
CVE-2019-13067 is a critical-severity vulnerability in F5 Njs with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (73rd 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 buffer over-read in nxt_utf8_decode in nxt/nxt_utf8.c. This issue occurs after the fix for CVE-2019-12207 is in place.
Frequently asked questions
- What is CVE-2019-13067?
- njs through 0.3.3, used in NGINX, has a buffer over-read in nxt_utf8_decode in nxt/nxt_utf8.c. This issue occurs after the fix for CVE-2019-12207 is in place.
- How severe is CVE-2019-13067?
- CVE-2019-13067 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-13067 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-13067?
- CVE-2019-13067 affects F5 Njs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-13067?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2019-13067 published?
- CVE-2019-13067 was published on 2019-06-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:f5:njs:*:*:*:*:*:*:*:*
More vulnerabilities in F5 Njs
- CVE-2020-19695 — Critical (CVSS 9.8): Buffer Overflow found in Nginx NJS allows a remote attacker to execute arbitrary code via the njs_object_property…
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- CVE-2022-43286 — Critical (CVSS 9.8): Nginx NJS v0.7.2 was discovered to contain a heap-use-after-free bug caused by illegal memory copy in the function…
- CVE-2022-29379 — Critical (CVSS 9.8): Nginx NJS v0.7.3 was discovered to contain a stack overflow in the function njs_default_module_loader at…
- CVE-2022-27007 — Critical (CVSS 9.8): nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a…
- CVE-2022-25139 — Critical (CVSS 9.8): njs through 0.7.0, used in NGINX, was discovered to contain a heap use-after-free in njs_await_fulfilled.
Other CWE-125 (Out-of-bounds Read) vulnerabilities
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- CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
- CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
- CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…