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Red Hat Product Errata RHSA-2025:8837 - Security Advisory
Issued:
2025-06-11
Updated:
2025-06-11

RHSA-2025:8837 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: mod_security security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for mod_security is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

ModSecurity is an open source intrusion detection and prevention engine for web applications.

Security Fix(es):

  • modsecurity: ModSecurity Has Possible DoS Vulnerability (CVE-2025-47947)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux for x86_64 9 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 9.6 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 9 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x
  • Red Hat Enterprise Linux for Power, little endian 9 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le
  • Red Hat Enterprise Linux for ARM 64 9 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x

Fixes

  • BZ - 2367903 - CVE-2025-47947 modsecurity: ModSecurity Has Possible DoS Vulnerability

CVEs

  • CVE-2025-47947

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 9

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
x86_64
mod_security-2.9.6-2.el9_6.x86_64.rpm SHA-256: b79f0497258a380bfcd66ff5eb43924abfd519671f99472690a8e88333bf6b12
mod_security-debuginfo-2.9.6-2.el9_6.x86_64.rpm SHA-256: a9ed039e52c6b5e8d5b435fbfcba26d930011960f83ea8b691302adfd018a915
mod_security-debugsource-2.9.6-2.el9_6.x86_64.rpm SHA-256: a77b9cb4302df0350ad650c4bb318feb180378cd325d29f78b607a9c908a5d1a
mod_security-mlogc-2.9.6-2.el9_6.x86_64.rpm SHA-256: 0e149554c855afdc1297dc91c19e8c6e4197672c04e2ba65d762d1ca44206db3
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.x86_64.rpm SHA-256: d495cae51b5234d9acdcdbdb263db72c1feb194aedfef56b3f1a7a7c266eaf3a

Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
x86_64
mod_security-2.9.6-2.el9_6.x86_64.rpm SHA-256: b79f0497258a380bfcd66ff5eb43924abfd519671f99472690a8e88333bf6b12
mod_security-debuginfo-2.9.6-2.el9_6.x86_64.rpm SHA-256: a9ed039e52c6b5e8d5b435fbfcba26d930011960f83ea8b691302adfd018a915
mod_security-debugsource-2.9.6-2.el9_6.x86_64.rpm SHA-256: a77b9cb4302df0350ad650c4bb318feb180378cd325d29f78b607a9c908a5d1a
mod_security-mlogc-2.9.6-2.el9_6.x86_64.rpm SHA-256: 0e149554c855afdc1297dc91c19e8c6e4197672c04e2ba65d762d1ca44206db3
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.x86_64.rpm SHA-256: d495cae51b5234d9acdcdbdb263db72c1feb194aedfef56b3f1a7a7c266eaf3a

Red Hat Enterprise Linux Server - AUS 9.6

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
x86_64
mod_security-2.9.6-2.el9_6.x86_64.rpm SHA-256: b79f0497258a380bfcd66ff5eb43924abfd519671f99472690a8e88333bf6b12
mod_security-debuginfo-2.9.6-2.el9_6.x86_64.rpm SHA-256: a9ed039e52c6b5e8d5b435fbfcba26d930011960f83ea8b691302adfd018a915
mod_security-debugsource-2.9.6-2.el9_6.x86_64.rpm SHA-256: a77b9cb4302df0350ad650c4bb318feb180378cd325d29f78b607a9c908a5d1a
mod_security-mlogc-2.9.6-2.el9_6.x86_64.rpm SHA-256: 0e149554c855afdc1297dc91c19e8c6e4197672c04e2ba65d762d1ca44206db3
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.x86_64.rpm SHA-256: d495cae51b5234d9acdcdbdb263db72c1feb194aedfef56b3f1a7a7c266eaf3a

Red Hat Enterprise Linux for IBM z Systems 9

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
s390x
mod_security-2.9.6-2.el9_6.s390x.rpm SHA-256: 91b6a972738c7cc4f57d961b1b28db707716152bc1fc392656db2366ccc7796f
mod_security-debuginfo-2.9.6-2.el9_6.s390x.rpm SHA-256: d87632314353f13861aa6ce89eafca17f5a391016f67be1bf7784285d06e35bc
mod_security-debugsource-2.9.6-2.el9_6.s390x.rpm SHA-256: f6460757f2d3dfa7454f997ff242d937bad6b2f47396e1801384bee2042ff70a
mod_security-mlogc-2.9.6-2.el9_6.s390x.rpm SHA-256: abce87e2daf33bb840afe40d0ca691d7a1414eb897c99582ad33a2e877946cdd
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.s390x.rpm SHA-256: 229237d7f0ffc21ace7ae7b293a0a398ed1183d9b8cbb0a61ac34ce0e718600c

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
s390x
mod_security-2.9.6-2.el9_6.s390x.rpm SHA-256: 91b6a972738c7cc4f57d961b1b28db707716152bc1fc392656db2366ccc7796f
mod_security-debuginfo-2.9.6-2.el9_6.s390x.rpm SHA-256: d87632314353f13861aa6ce89eafca17f5a391016f67be1bf7784285d06e35bc
mod_security-debugsource-2.9.6-2.el9_6.s390x.rpm SHA-256: f6460757f2d3dfa7454f997ff242d937bad6b2f47396e1801384bee2042ff70a
mod_security-mlogc-2.9.6-2.el9_6.s390x.rpm SHA-256: abce87e2daf33bb840afe40d0ca691d7a1414eb897c99582ad33a2e877946cdd
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.s390x.rpm SHA-256: 229237d7f0ffc21ace7ae7b293a0a398ed1183d9b8cbb0a61ac34ce0e718600c

Red Hat Enterprise Linux for Power, little endian 9

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
ppc64le
mod_security-2.9.6-2.el9_6.ppc64le.rpm SHA-256: c687350472b12423009d7b4bc15073cfa2bf6eaf5e3840936919b9c0838b8d22
mod_security-debuginfo-2.9.6-2.el9_6.ppc64le.rpm SHA-256: 0a424387bde3cbe2253aa04a7ff287e2d26c71ebda15d02765aa0845fc5cf780
mod_security-debugsource-2.9.6-2.el9_6.ppc64le.rpm SHA-256: 1597225c5961d1fb4eb5c70fd3e2ad7addd65355054f59e12a460944cf6c0e3e
mod_security-mlogc-2.9.6-2.el9_6.ppc64le.rpm SHA-256: 527eed48c19fb17b7dfc9d64991bef39aa2c4136c11c502857077f8bb2d4690e
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.ppc64le.rpm SHA-256: a09f1f93cf3c8a5bdf3824778345ad891901077ad3885fe9d131c2295efc57e1

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
ppc64le
mod_security-2.9.6-2.el9_6.ppc64le.rpm SHA-256: c687350472b12423009d7b4bc15073cfa2bf6eaf5e3840936919b9c0838b8d22
mod_security-debuginfo-2.9.6-2.el9_6.ppc64le.rpm SHA-256: 0a424387bde3cbe2253aa04a7ff287e2d26c71ebda15d02765aa0845fc5cf780
mod_security-debugsource-2.9.6-2.el9_6.ppc64le.rpm SHA-256: 1597225c5961d1fb4eb5c70fd3e2ad7addd65355054f59e12a460944cf6c0e3e
mod_security-mlogc-2.9.6-2.el9_6.ppc64le.rpm SHA-256: 527eed48c19fb17b7dfc9d64991bef39aa2c4136c11c502857077f8bb2d4690e
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.ppc64le.rpm SHA-256: a09f1f93cf3c8a5bdf3824778345ad891901077ad3885fe9d131c2295efc57e1

Red Hat Enterprise Linux for ARM 64 9

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
aarch64
mod_security-2.9.6-2.el9_6.aarch64.rpm SHA-256: 1f5c8d8edd1ea9e3955a8fa0d126a040f86c1fe0cfe096eb19ce937c04cff93a
mod_security-debuginfo-2.9.6-2.el9_6.aarch64.rpm SHA-256: 99492b81a278aff97d1802e3479f5c78642387146a4692abe057739e9b21f7e6
mod_security-debugsource-2.9.6-2.el9_6.aarch64.rpm SHA-256: 9e36b6cfa2237619ab1562ebbd4d8597580cc6d560b6af6e38944ad7e2120dc6
mod_security-mlogc-2.9.6-2.el9_6.aarch64.rpm SHA-256: 9942ddd58a1be9458c12ab2dd7809433fd5d1f1aa795f22c254eef0805d01cd5
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.aarch64.rpm SHA-256: d10cd10bce31745faeb413750fb147a945d90b7c61fca3de244c38061404cb40

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
aarch64
mod_security-2.9.6-2.el9_6.aarch64.rpm SHA-256: 1f5c8d8edd1ea9e3955a8fa0d126a040f86c1fe0cfe096eb19ce937c04cff93a
mod_security-debuginfo-2.9.6-2.el9_6.aarch64.rpm SHA-256: 99492b81a278aff97d1802e3479f5c78642387146a4692abe057739e9b21f7e6
mod_security-debugsource-2.9.6-2.el9_6.aarch64.rpm SHA-256: 9e36b6cfa2237619ab1562ebbd4d8597580cc6d560b6af6e38944ad7e2120dc6
mod_security-mlogc-2.9.6-2.el9_6.aarch64.rpm SHA-256: 9942ddd58a1be9458c12ab2dd7809433fd5d1f1aa795f22c254eef0805d01cd5
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.aarch64.rpm SHA-256: d10cd10bce31745faeb413750fb147a945d90b7c61fca3de244c38061404cb40

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
ppc64le
mod_security-2.9.6-2.el9_6.ppc64le.rpm SHA-256: c687350472b12423009d7b4bc15073cfa2bf6eaf5e3840936919b9c0838b8d22
mod_security-debuginfo-2.9.6-2.el9_6.ppc64le.rpm SHA-256: 0a424387bde3cbe2253aa04a7ff287e2d26c71ebda15d02765aa0845fc5cf780
mod_security-debugsource-2.9.6-2.el9_6.ppc64le.rpm SHA-256: 1597225c5961d1fb4eb5c70fd3e2ad7addd65355054f59e12a460944cf6c0e3e
mod_security-mlogc-2.9.6-2.el9_6.ppc64le.rpm SHA-256: 527eed48c19fb17b7dfc9d64991bef39aa2c4136c11c502857077f8bb2d4690e
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.ppc64le.rpm SHA-256: a09f1f93cf3c8a5bdf3824778345ad891901077ad3885fe9d131c2295efc57e1

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
x86_64
mod_security-2.9.6-2.el9_6.x86_64.rpm SHA-256: b79f0497258a380bfcd66ff5eb43924abfd519671f99472690a8e88333bf6b12
mod_security-debuginfo-2.9.6-2.el9_6.x86_64.rpm SHA-256: a9ed039e52c6b5e8d5b435fbfcba26d930011960f83ea8b691302adfd018a915
mod_security-debugsource-2.9.6-2.el9_6.x86_64.rpm SHA-256: a77b9cb4302df0350ad650c4bb318feb180378cd325d29f78b607a9c908a5d1a
mod_security-mlogc-2.9.6-2.el9_6.x86_64.rpm SHA-256: 0e149554c855afdc1297dc91c19e8c6e4197672c04e2ba65d762d1ca44206db3
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.x86_64.rpm SHA-256: d495cae51b5234d9acdcdbdb263db72c1feb194aedfef56b3f1a7a7c266eaf3a

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
aarch64
mod_security-2.9.6-2.el9_6.aarch64.rpm SHA-256: 1f5c8d8edd1ea9e3955a8fa0d126a040f86c1fe0cfe096eb19ce937c04cff93a
mod_security-debuginfo-2.9.6-2.el9_6.aarch64.rpm SHA-256: 99492b81a278aff97d1802e3479f5c78642387146a4692abe057739e9b21f7e6
mod_security-debugsource-2.9.6-2.el9_6.aarch64.rpm SHA-256: 9e36b6cfa2237619ab1562ebbd4d8597580cc6d560b6af6e38944ad7e2120dc6
mod_security-mlogc-2.9.6-2.el9_6.aarch64.rpm SHA-256: 9942ddd58a1be9458c12ab2dd7809433fd5d1f1aa795f22c254eef0805d01cd5
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.aarch64.rpm SHA-256: d10cd10bce31745faeb413750fb147a945d90b7c61fca3de244c38061404cb40

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6

SRPM
mod_security-2.9.6-2.el9_6.src.rpm SHA-256: d7a944253c450d9074e92a62b163dfc0914abbff7623b79d81740f7067790fae
s390x
mod_security-2.9.6-2.el9_6.s390x.rpm SHA-256: 91b6a972738c7cc4f57d961b1b28db707716152bc1fc392656db2366ccc7796f
mod_security-debuginfo-2.9.6-2.el9_6.s390x.rpm SHA-256: d87632314353f13861aa6ce89eafca17f5a391016f67be1bf7784285d06e35bc
mod_security-debugsource-2.9.6-2.el9_6.s390x.rpm SHA-256: f6460757f2d3dfa7454f997ff242d937bad6b2f47396e1801384bee2042ff70a
mod_security-mlogc-2.9.6-2.el9_6.s390x.rpm SHA-256: abce87e2daf33bb840afe40d0ca691d7a1414eb897c99582ad33a2e877946cdd
mod_security-mlogc-debuginfo-2.9.6-2.el9_6.s390x.rpm SHA-256: 229237d7f0ffc21ace7ae7b293a0a398ed1183d9b8cbb0a61ac34ce0e718600c

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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