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Products by NGINX Sorted by Most Security Vulnerabilities since 2018

NGINX Njs12 vulnerabilities

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By the Year

In 2021 there have been 0 vulnerabilities in NGINX . Last year NGINX had 5 security vulnerabilities published. Right now, NGINX is on track to have less security vulnerabilities in 2021 than it did last year.

Year Vulnerabilities Average Score
2021 0 0.00
2020 5 5.92
2019 12 8.68
2018 3 7.03

It may take a day or so for new NGINX vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent NGINX Security Vulnerabilities

njs through 0.4.3, used in NGINX, allows control-flow hijack in njs_value_property in njs_value.c

CVE-2020-24349 5.5 - Medium - August 13, 2020

njs through 0.4.3, used in NGINX, allows control-flow hijack in njs_value_property in njs_value.c. NOTE: the vendor considers the issue to be "fluff" in the NGINX use case because there is no remote attack surface.

Improper Input Validation

njs through 0.4.3

CVE-2020-24348 5.5 - Medium - August 13, 2020

njs through 0.4.3, used in NGINX, has an out-of-bounds read in njs_json_stringify_iterator in njs_json.c.

Out-of-bounds Read

njs through 0.4.3

CVE-2020-24347 5.5 - Medium - August 13, 2020

njs through 0.4.3, used in NGINX, has an out-of-bounds read in njs_lvlhsh_level_find in njs_lvlhsh.c.

Out-of-bounds Read

njs through 0.4.3

CVE-2020-24346 7.8 - High - August 13, 2020

njs through 0.4.3, used in NGINX, has a use-after-free in njs_json_parse_iterator_call in njs_json.c.

Dangling pointer

NGINX before 1.17.7, with certain error_page configurations

CVE-2019-20372 5.3 - Medium - January 09, 2020

NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is being fronted by a load balancer.

HTTP Request Smuggling

Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation

CVE-2019-9511 7.5 - High - August 13, 2019

Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.

Allocation of Resources Without Limits or Throttling

Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service

CVE-2019-9513 7.5 - High - August 13, 2019

Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.

Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service

CVE-2019-9516 6.5 - Medium - August 13, 2019

Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. Some implementations allocate memory for these headers and keep the allocation alive until the session dies. This can consume excess memory.

Allocation of Resources Without Limits or Throttling

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

CVE-2019-13617 6.5 - Medium - July 16, 2019

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.

Out-of-bounds Read

njs through 0.3.3, used in NGINX, has a buffer over-read in nxt_utf8_decode in nxt/nxt_utf8.c

CVE-2019-13067 9.8 - Critical - June 30, 2019

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.

Out-of-bounds Read

njs through 0.3.1

CVE-2019-12206 9.8 - Critical - May 20, 2019

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in nxt_utf8_encode in nxt_utf8.c.

Memory Corruption

njs through 0.3.1

CVE-2019-12208 9.8 - Critical - May 20, 2019

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in njs_function_native_call in njs/njs_function.c.

Memory Corruption

njs through 0.3.1

CVE-2019-12207 9.8 - Critical - May 20, 2019

njs through 0.3.1, used in NGINX, has a heap-based buffer over-read in nxt_utf8_decode in nxt/nxt_utf8.c.

Out-of-bounds Read

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c

CVE-2019-11839 9.8 - Critical - May 09, 2019

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c, because of njs_array_expand size mishandling.

Memory Corruption

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.splice after a resize, related to njs_array_prototype_splice in njs/njs_array.c

CVE-2019-11838 9.8 - Critical - May 09, 2019

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.splice after a resize, related to njs_array_prototype_splice in njs/njs_array.c, because of njs_array_expand size mishandling.

Memory Corruption

njs through 0.3.1

CVE-2019-11837 7.5 - High - May 09, 2019

njs through 0.3.1, used in NGINX, has a segmentation fault in String.prototype.toBytes for negative arguments, related to nxt_utf8_next in nxt/nxt_utf8.h and njs_string_offset in njs/njs_string.c.

Numeric Errors

NGINX Unit before 1.7.1 might

CVE-2019-7401 9.8 - Critical - February 08, 2019

NGINX Unit before 1.7.1 might allow an attacker to cause a heap-based buffer overflow in the router process with a specially crafted request. This may result in a denial of service (router process crash) or possibly have unspecified other impact.

Memory Corruption

nginx before versions 1.15.6, 1.14.1 has a vulnerability in the ngx_http_mp4_module, which might

CVE-2018-16845 6.1 - Medium - November 07, 2018

nginx before versions 1.15.6, 1.14.1 has a vulnerability in the ngx_http_mp4_module, which might allow an attacker to cause infinite loop in a worker process, cause a worker process crash, or might result in worker process memory disclosure by using a specially crafted mp4 file. The issue only affects nginx if it is built with the ngx_http_mp4_module (the module is not built by default) and the .mp4. directive is used in the configuration file. Further, the attack is only possible if an attacker is able to trigger processing of a specially crafted mp4 file with the ngx_http_mp4_module.

Infinite Loop

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage

CVE-2018-16844 7.5 - High - November 07, 2018

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.

Resource Exhaustion

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption

CVE-2018-16843 7.5 - High - November 07, 2018

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.

Resource Exhaustion

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