Rsyslog
Rsyslog: vulnerabilidades y CVE
Rsyslog tiene 22 vulnerabilidades publicadas, 5 de ellas en los últimos 12 meses. 4 son críticas y 0 figuran en el catálogo de explotación activa de CISA.
CVE22
Últimos 12 meses5
Críticas4
Explotadas activamente0
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Últimas vulnerabilidades
| CVE | Severidad | EPSS | Explotación activa | Publicada | Descripción |
|---|---|---|---|---|---|
| CVE-2026-85475 | Alta (7.2) | 0.43% | — | 23 sept 2026 | A flaw was found in the Ansible Automation Platform automation controller. The external logging (rsyslog) configuration is generated by interpolating user-controlled settings — LOG_AGGREGATOR_HOST,… |
| CVE-2026-61548 | Alta (8.1) | 0.94% | — | 18 sept 2026 | Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSD_PARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed… |
| CVE-2026-55556 | Alta (8.2) | 0.85% | — | 18 sept 2026 | Rsyslog is a rocket-fast system for log processing. From 8.2110.0 until 8.2604.0, the optional imhttp module's parse_auth_header function in contrib/imhttp/imhttp.c allocates a zero-byte heap buffer with calloc(0, len)… |
| CVE-2026-78002 | Alta (7.5) | 0.71% | — | 27 ago 2026 | A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript `replace()` function by sending specially crafted syslog messages. This vulnerability arises from an… |
| CVE-2026-19654 | Alta (7.5) | 0.47% | — | 12 ago 2026 | A unauthenticated remote peer may lead rsyslogd to crash due to a flaw in the optional imptcp module. A crafted input sequence during oversize-frame recovery can cause an invalid internal message length and terminate… |
| CVE-2022-24903 | Alta (8.1) | 3.9% | — | 6 may 2022 | Rsyslog is a rocket-fast system for log processing. Modules for TCP syslog reception have a potential heap buffer overflow when octet-counted framing is used. This can result in a segfault or some other malfunction. As… |
| CVE-2011-1490 | Media (5.5) | 0.38% | — | 14 nov 2019 | A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A local… |
| CVE-2011-1489 | Media (5.5) | 0.47% | — | 14 nov 2019 | A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages were logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A… |
| CVE-2011-1488 | Media (5.5) | 0.48% | — | 14 nov 2019 | A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when $RepeatedMsgReduction was enabled. A local attacker could use this flaw to cause a denial of the rsyslogd daemon… |
| CVE-2019-17042 | Crítica (9.8) | 3.1% | — | 7 oct 2019 | An issue was discovered in Rsyslog v8.1908.0. contrib/pmcisconames/pmcisconames.c has a heap overflow in the parser for Cisco log messages. The parser tries to locate a log message delimiter (in this case, a space or a… |
| CVE-2019-17041 | Crítica (9.8) | 4.4% | — | 7 oct 2019 | An issue was discovered in Rsyslog v8.1908.0. contrib/pmaixforwardedfrom/pmaixforwardedfrom.c has a heap overflow in the parser for AIX log messages. The parser tries to locate a log message delimiter (in this case, a… |
| CVE-2019-17040 | Crítica (9.8) | 2.4% | — | 30 sept 2019 | contrib/pmdb2diag/pmdb2diag.c in Rsyslog v8.1908.0 allows out-of-bounds access because the level length is mishandled. |
| CVE-2018-16881 | Alta (7.5) | 2.2% | — | 25 ene 2019 | A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are… |
| CVE-2017-12588 | Crítica (9.8) | 2.8% | — | 6 ago 2017 | The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact. |
| CVE-2015-3243 | Media (5.5) | 0.45% | — | 25 jul 2017 | rsyslog uses weak permissions for generating log files, which allows local users to obtain sensitive information by reading files in /var/log/cron. |
| CVE-2014-3683 | Media (5) | 4.6% | — | 2 nov 2014 | Integer overflow in rsyslog before 7.6.7 and 8.x before 8.4.2 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of service (crash) via a large priority (PRI) value. NOTE: this vulnerability exists… |
| CVE-2014-3634 | Alta (7.5) | 7.5% | — | 2 nov 2014 | rsyslog before 7.6.6 and 8.x before 8.4.1 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of service (crash), possibly execute arbitrary code, or have other unspecified impact via a crafted… |
| CVE-2013-4758 | Media (6.8) | 2.3% | — | 4 oct 2013 | Double free vulnerability in the writeDataError function in the ElasticSearch plugin (omelasticsearch) in rsyslog before 7.4.2 and before 7.5.2 devel, when errorfile is set to local logging, allows remote attackers to… |
| CVE-2011-4623 | Baja (2.1) | 0.42% | — | 25 sept 2012 | Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon… |
| CVE-2011-3200 | Media (5) | 21% | — | 6 sept 2011 | Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service… |
| CVE-2008-5618 | Media (5) | 1.2% | — | 17 dic 2008 | imudp in rsyslog 4.x before 4.1.2, 3.21 before 3.21.9 beta, and 3.20 before 3.20.2 generates a message even when it is sent by an unauthorized sender, which allows remote attackers to cause a denial of service (disk… |
| CVE-2008-5617 | Alta (8.5) | 2.2% | — | 17 dic 2008 | The ACL handling in rsyslog 3.12.1 to 3.20.0, 4.1.0, and 4.1.1 does not follow $AllowedSender directive, which allows remote attackers to bypass intended access restrictions and spoof log messages or create a large… |
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