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splunk universal forwarder

61 known vulnerabilities across versions
Vulnerabilities are listed by affected version. Select any CVE for the full briefing and its intelligence graph.
CVE-2025-20298
>= 9.1.0 and < 9.1.9
In Universal Forwarder for Windows versions below 9.4.2, 9.3.4, 9.2.6, and 9.1.9, a new installation of or an upgrade to an affect
8.0HIGH
CVE-2023-27538
>= 8.2.0 and < 8.2.12
An authentication bypass vulnerability exists in libcurl prior to v8.0.0 where it reuses a previously established SSH connection d
5.5MEDIUM
CVE-2023-27537
>= 8.2.0 and < 8.2.12
A double free vulnerability exists in libcurl <8.0.0 when sharing HSTS data between separate "handles". This sharing was introduce
5.9MEDIUM
CVE-2023-27536
>= 8.2.0 and < 8.2.12
An authentication bypass vulnerability exists libcurl <8.0.0 in the connection reuse feature which can reuse previously establishe
5.9MEDIUM
CVE-2023-27535
>= 8.2.0 and < 8.2.12
An authentication bypass vulnerability exists in libcurl <8.0.0 in the FTP connection reuse feature that can result in wrong crede
5.9MEDIUM
CVE-2023-27534
>= 8.2.0 and < 8.2.12
A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly replaced whe
8.8HIGH
CVE-2023-27533
>= 8.2.0 and < 8.2.12
A vulnerability in input validation exists in curl <8.0 during communication using the TELNET protocol may allow an attacker to pa
8.8HIGH
CVE-2023-23916
>= 8.2.0 and < 8.2.12
An allocation of resources without limits or throttling vulnerability exists in curl <v7.88.0 based on the "chained" HTTP compress
6.5MEDIUM
CVE-2023-23915
>= 8.2.0 and < 8.2.12
A cleartext transmission of sensitive information vulnerability exists in curl <v7.88.0 that could cause HSTS functionality to beh
6.5MEDIUM
CVE-2023-23914
>= 8.2.0 and < 8.2.12
A cleartext transmission of sensitive information vulnerability exists in curl <v7.88.0 that could cause HSTS functionality fail w
9.1CRITICAL
CVE-2022-43552
>= 8.2.0 and < 8.2.12
A use after free vulnerability exists in curl <7.87.0. Curl can be asked to tunnel virtually all protocols it supports through a
5.9MEDIUM
CVE-2022-43551
>= 8.2.0 and < 8.2.12
A vulnerability exists in curl <7.87.0 HSTS check that could be bypassed to trick it to keep using HTTP. Using its HSTS support, c
7.5HIGH
CVE-2022-35260
>= 8.2.0 and < 8.2.12
curl can be told to parse a .netrc file for credentials. If that file endsin a line with 4095 consecutive non-white space letter
6.5MEDIUM
CVE-2022-32221
>= 8.2.0 and < 8.2.12
When doing HTTP(S) transfers, libcurl might erroneously use the read callback (CURLOPT_READFUNCTION) to ask for data to send, ev
9.8CRITICAL
CVE-2022-36227
>= 8.2.0 and < 8.2.12
In libarchive before 3.6.2, the software does not check for an error after calling calloc function that can return with a NULL poi
9.8CRITICAL
CVE-2022-42915
>= 8.2.0 and < 8.2.12
curl before 7.86.0 has a double free. If curl is told to use an HTTP proxy for a transfer with a non-HTTP(S) URL, it sets up the c
8.1HIGH
CVE-2022-42916
>= 8.2.0 and < 8.2.12
In curl before 7.86.0, the HSTS check could be bypassed to trick it into staying with HTTP. Using its HSTS support, curl can be in
7.5HIGH
CVE-2022-35252
>= 8.2.0 and < 8.2.12
When curl is used to retrieve and parse cookies from a HTTP(S) server, itaccepts cookies using control codes that when later are s
3.7LOW
CVE-2021-31566
>= 8.2.0 and < 8.2.12
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and
7.8HIGH
CVE-2022-37439
>= 8.1.0 and < 8.1.11
In Splunk Enterprise and Universal Forwarder versions in the following table, indexing a specially crafted ZIP file using the file
5.5MEDIUM
CVE-2022-35737
>= 8.2.0 and < 8.2.12
SQLite 1.0.12 through 3.39.x before 3.39.2 sometimes allows an array-bounds overflow if billions of bytes are used in a string arg
7.5HIGH
CVE-2022-32208
>= 8.2.0 and < 8.2.12
When curl < 7.84.0 does FTP transfers secured by krb5, it handles message verification failures wrongly. This flaw makes it possib
5.9MEDIUM
CVE-2022-32207
>= 8.2.0 and < 8.2.12
When curl < 7.84.0 saves cookies, alt-svc and hsts data to local files, it makes the operation atomic by finalizing the operation
9.8CRITICAL
CVE-2022-32206
>= 8.2.0 and < 8.2.12
curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and p
6.5MEDIUM
CVE-2022-32205
>= 8.2.0 and < 8.2.12
A malicious server can serve excessive amounts of Set-Cookie: headers in a HTTP response to curl and curl < 7.84.0 stores all of
4.3MEDIUM
CVE-2022-32156
< 9.0
In Splunk Enterprise and Universal Forwarder versions before 9.0, the Splunk command-line interface (CLI) did not validate TLS cer
8.1HIGH
CVE-2022-30115
>= 8.2.0 and < 8.2.12
Using its HSTS support, curl can be instructed to use HTTPS directly insteadof using an insecure clear-text HTTP step even when HT
4.3MEDIUM
CVE-2022-27782
>= 8.2.0 and < 8.2.12
libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibi
7.5HIGH
CVE-2022-27781
>= 8.2.0 and < 8.2.12
libcurl provides the CURLOPT_CERTINFO option to allow applications torequest details to be returned about a server's certificate
7.5HIGH
CVE-2022-27780
>= 8.2.0 and < 8.2.12
The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a
7.5HIGH
CVE-2022-27779
>= 8.2.0 and < 8.2.12
libcurl wrongly allows cookies to be set for Top Level Domains (TLDs) if thehost name is provided with a trailing dot.curl can be
5.3MEDIUM
CVE-2022-27778
>= 8.2.0 and < 8.2.12
A use of incorrectly resolved name vulnerability fixed in 7.83.1 might remove the wrong file when --no-clobber is used together
8.1HIGH
CVE-2022-27776
>= 8.2.0 and < 8.2.12
A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header data on HT
6.5MEDIUM
CVE-2022-27775
>= 8.2.0 and < 8.2.12
An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address that was in t
7.5HIGH
CVE-2022-27774
>= 8.2.0 and < 8.2.12
An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are affected that could allow
5.7MEDIUM
CVE-2022-22576
>= 8.2.0 and < 8.2.12
An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticate
8.1HIGH
CVE-2021-22947
>= 8.2.0 and < 8.2.12
When curl >= 7.20.0 and <= 7.78.0 connects to an IMAP or POP3 server to retrieve data using STARTTLS to upgrade to TLS security, t
5.9MEDIUM
CVE-2021-22946
>= 8.2.0 and < 8.2.12
A user can tell curl >= 7.20.0 and <= 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server (
7.5HIGH
CVE-2021-22945
>= 8.2.0 and < 8.2.12
When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an alr
9.1CRITICAL
CVE-2021-22926
>= 8.2.0 and < 8.2.12
libcurl-using applications can ask for a specific client certificate to be used in a transfer. This is done with the `CURLOPT_SSLC
7.5HIGH
CVE-2021-22925
>= 8.2.0 and < 8.2.12
curl supports the -t command line option, known as CURLOPT_TELNETOPTIONSin libcurl. This rarely used option is used to send va
5.3MEDIUM
CVE-2021-22924
>= 8.2.0 and < 8.2.12
libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse, if one of them matches the setup.
3.7LOW
CVE-2021-22923
>= 8.2.0 and < 8.2.12
When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink
5.3MEDIUM
CVE-2021-22922
>= 8.2.0 and < 8.2.12
When curl is instructed to download content using the metalink feature, thecontents is verified against a hash provided in the met
6.5MEDIUM
CVE-2021-30560
>= 8.2.0 and < 8.2.12
Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corrupt
8.8HIGH
CVE-2021-36976
>= 8.2.0 and < 8.2.12
libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).
6.5MEDIUM
CVE-2021-22901
>= 8.2.0 and < 8.2.12
curl 7.75.0 through 7.76.1 suffers from a use-after-free vulnerability resulting in already freed memory being used when a TLS 1.3
8.1HIGH
CVE-2021-22898
>= 8.2.0 and < 8.2.12
curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPT_TELNETOPTIONS
3.1LOW
CVE-2021-22897
>= 8.2.0 and < 8.2.12
curl 7.61.0 through 7.76.1 suffers from exposure of data element to wrong session due to a mistake in the code for CURLOPT_SSL_CIP
5.3MEDIUM
CVE-2021-3520
>= 8.2.0 and < 8.2.12
There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer
9.8CRITICAL
CVE-2021-22890
>= 8.2.0 and < 8.2.12
curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad han
3.7LOW
CVE-2021-22876
>= 8.2.0 and < 8.2.12
curl 7.1.1 to and including 7.75.0 is vulnerable to an "Exposure of Private Personal Information to an Unauthorized Actor" by leak
5.3MEDIUM
CVE-2020-8286
>= 8.2.0 and < 8.2.12
curl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the O
7.5HIGH
CVE-2020-8285
>= 8.2.0 and < 8.2.12
curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match pa
7.5HIGH
CVE-2020-8284
>= 8.2.0 and < 8.2.12
A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and p
3.7LOW
CVE-2020-8231
>= 8.2.0 and < 8.2.12
Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.
7.5HIGH
CVE-2020-8177
>= 8.2.0 and < 8.2.12
curl 7.20.0 through 7.70.0 is vulnerable to improper restriction of names for files and other resources that can lead too overwrit
7.8HIGH
CVE-2020-8169
>= 8.2.0 and < 8.2.12
curl 7.62.0 through 7.70.0 is vulnerable to an information disclosure vulnerability that can lead to a partial password being leak
7.5HIGH
CVE-2020-14155
>= 8.2.0 and < 8.2.12
libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.
5.3MEDIUM
CVE-2019-20838
>= 8.2.0 and < 8.2.12
libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed qu
7.5HIGH
CVE-2019-20454
>= 8.2.0 and < 8.2.12
An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted
7.5HIGH
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