Fedora Security Advisories

• roundcubemail-1.7.4-1.fc45

• Use X-Content-Type-Options:nosniff for attachment previews and downloads (#10308)
• zipdownload: Fix attachment filename sanitisation of backslash and control characters (#10325)
• Security: Fix CSS declaration smuggling via un-encoded ampersand emission
• Security: Fix CSS property injection via body background attribute
• Security: Fix email header injection via bare CR in the subject field
• Security: Fix email header injection via C-escape \r in the recipient display name
• Security: Fix email header injection via identity's organization field
• Security: Fix zero-click stored XSS via TNEF MIME tag injection in the attachment URL
• Security: Fix XSS in the HTML editor using text/enriched part content
• Security: Fix cross-user access in contact group membership (add/remove) in the SQL address book
• Security: Fix is_local_url() bypass via trailing-dot FQDN in stylesheet URL
• Security: Fix remote content blocking bypass via CSS escapes in FuncIRI attributes
• Security: Fix remote-content blocker bypass via SVG SMIL src animation
• Security: Fix SSRF bypass in Roundcube CSS proxy via hexadecimal IPv6-mapped IPv4 addresses

• roundcubemail-1.6.19-1.el10_2

• Fix PHP Warning: Undefined variable $tmp_command in .../plugins/markasjunk/drivers/cmd_learn.php (#10294)
• Security: Fix CSS declaration smuggling via un-encoded ampersand emission
• Security: Fix CSS property injection via body background attribute
• Security: Fix email header injection via bare CR in the subject field
• Security: Fix email header injection via C-escape \r in the recipient display name
• Security: Fix email header injection via identity's organization field
• Security: Fix zero-click stored XSS via TNEF MIME tag injection in the attachment URL
• Security: Fix XSS in the HTML editor using text/enriched part content
• Security: Fix cross-user access in contact group membership (add/remove) in the SQL address book
• Security: Fix is_local_url() bypass via trailing-dot FQDN in stylesheet URL
• Security: Fix remote content blocking bypass via CSS escapes in FuncIRI attributes
• Security: Fix remote-content blocker bypass via SVG SMIL src animation
• Security: Fix SSRF bypass in Roundcube CSS proxy via hexadecimal IPv6-mapped IPv4 addresses

• roundcubemail-1.6.19-1.fc43

• Fix PHP Warning: Undefined variable $tmp_command in .../plugins/markasjunk/drivers/cmd_learn.php (#10294)
• Security: Fix CSS declaration smuggling via un-encoded ampersand emission
• Security: Fix CSS property injection via body background attribute
• Security: Fix email header injection via bare CR in the subject field
• Security: Fix email header injection via C-escape \r in the recipient display name
• Security: Fix email header injection via identity's organization field
• Security: Fix zero-click stored XSS via TNEF MIME tag injection in the attachment URL
• Security: Fix XSS in the HTML editor using text/enriched part content
• Security: Fix cross-user access in contact group membership (add/remove) in the SQL address book
• Security: Fix is_local_url() bypass via trailing-dot FQDN in stylesheet URL
• Security: Fix remote content blocking bypass via CSS escapes in FuncIRI attributes
• Security: Fix remote-content blocker bypass via SVG SMIL src animation
• Security: Fix SSRF bypass in Roundcube CSS proxy via hexadecimal IPv6-mapped IPv4 addresses

• roundcubemail-1.6.19-1.el10_4

• Fix PHP Warning: Undefined variable $tmp_command in .../plugins/markasjunk/drivers/cmd_learn.php (#10294)
• Security: Fix CSS declaration smuggling via un-encoded ampersand emission
• Security: Fix CSS property injection via body background attribute
• Security: Fix email header injection via bare CR in the subject field
• Security: Fix email header injection via C-escape \r in the recipient display name
• Security: Fix email header injection via identity's organization field
• Security: Fix zero-click stored XSS via TNEF MIME tag injection in the attachment URL
• Security: Fix XSS in the HTML editor using text/enriched part content
• Security: Fix cross-user access in contact group membership (add/remove) in the SQL address book
• Security: Fix is_local_url() bypass via trailing-dot FQDN in stylesheet URL
• Security: Fix remote content blocking bypass via CSS escapes in FuncIRI attributes
• Security: Fix remote-content blocker bypass via SVG SMIL src animation
• Security: Fix SSRF bypass in Roundcube CSS proxy via hexadecimal IPv6-mapped IPv4 addresses

• roundcubemail-1.6.19-1.el10_3

• Fix PHP Warning: Undefined variable $tmp_command in .../plugins/markasjunk/drivers/cmd_learn.php (#10294)
• Security: Fix CSS declaration smuggling via un-encoded ampersand emission
• Security: Fix CSS property injection via body background attribute
• Security: Fix email header injection via bare CR in the subject field
• Security: Fix email header injection via C-escape \r in the recipient display name
• Security: Fix email header injection via identity's organization field
• Security: Fix zero-click stored XSS via TNEF MIME tag injection in the attachment URL
• Security: Fix XSS in the HTML editor using text/enriched part content
• Security: Fix cross-user access in contact group membership (add/remove) in the SQL address book
• Security: Fix is_local_url() bypass via trailing-dot FQDN in stylesheet URL
• Security: Fix remote content blocking bypass via CSS escapes in FuncIRI attributes
• Security: Fix remote-content blocker bypass via SVG SMIL src animation
• Security: Fix SSRF bypass in Roundcube CSS proxy via hexadecimal IPv6-mapped IPv4 addresses

• kernel-7.2.4-300.fc45
• kernel-headers-7.2.4-300.fc45

The 7.2.4 stable kernel update contains a number of important fixes across the tree.

The 7.2.3 stable kernel update contains a number of important fixes across the tree.

The 7.2.2 stable kernel update contains a single fix for CVE-2026-80590

The 7.2.1 stable kernel update contains a number of important fixes across the tree. We are now specifying all kernel updates as security because upstream will assign CVEs, but we will not know what those are until a bit after this update ships.

• 389-ds-base-3.3.1-1.fc45

• Resolves: rhbz#2492927 CVE-2026-11774 389-ds-base: 389-ds-base: integer overflow in SASL packet length bypasses size limit leading to heap buffer overflow [fedora-all]
• Resolves: rhbz#2497652 CVE-2026-11610 389-ds-base: 389-ds-base: Heap buffer overflow in sasl_io_recv() via padded SASL UNBIND [fedora-all]
• Resolves: rhbz#2511796 CVE-2026-69152 389-ds-base: brace-expansion: Denial of Service via unbounded intermediate arrays [fedora-all]
• Resolves: rhbz#2529450 CVE-2026-76560 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN [fedora-all]
• Resolves: rhbz#2529451 CVE-2026-18453 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search [fedora-all]
• Resolves: rhbz#2529452 CVE-2026-18355 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() [fedora-all]
• Resolves: rhbz#2494775 CVE-2026-11611 389-ds-base: 389-ds-base: Content Sync plugin unbounded queue growth and race conditions [fedora-all]
• Resolves: rhbz#2494825 CVE-2026-11884 389-ds-base: 389-ds-base: heap buffer overflow in schema objectclass serialization due to missing oc_superior in size calculation [fedora-all]
• Resolves: rhbz#2494894 CVE-2026-11790 389-ds-base: 389-ds-base: PBKDF2 password storage plugin unbounded iteration count denial of service [fedora-all]
• Resolves: rhbz#2494895 CVE-2026-11789 389-ds-base: 389-ds-base: SMD5 password storage plugin salt length integer underflow crash [fedora-all]
• Resolves: rhbz#2509729 CVE-2026-11770 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check [fedora-all]
• Resolves: rhbz#2513063 CVE-2026-19404 389-ds-base: 389-ds-base: missing authorization allows anonymous clients to start or abort CleanAllRUV replication maintenance [fedora-all]
• Resolves: rhbz#2494827 CVE-2026-11793 389-ds-base: 389-ds-base: stack buffer overflow in checkPrefix() algorithm ID parsing [fedora-all]
• Resolves: rhbz#2494830 CVE-2026-11792 389-ds-base: 389-ds-base: heap buffer overflow in audit log password masking (create_masked_entry_string) [fedora-all]
• Resolves: rhbz#2498023 CVE-2026-15041 389-ds-base: 389-ds-base: Non-constant-time comparison in PBKDF2-SHA256 password verification [fedora-all]

• 389-ds-base-3.1.5-2.fc43

• Resolves: rhbz#2492927 CVE-2026-11774 389-ds-base: 389-ds-base: integer overflow in SASL packet length bypasses size limit leading to heap buffer overflow [fedora-all]
• Resolves: rhbz#2497652 CVE-2026-11610 389-ds-base: 389-ds-base: Heap buffer overflow in sasl_io_recv() via padded SASL UNBIND [fedora-all]
• Resolves: rhbz#2511796 CVE-2026-69152 389-ds-base: brace-expansion: Denial of Service via unbounded intermediate arrays [fedora-all]
• Resolves: rhbz#2529450 CVE-2026-76560 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN [fedora-all]
• Resolves: rhbz#2529451 CVE-2026-18453 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search [fedora-all]
• Resolves: rhbz#2529452 CVE-2026-18355 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() [fedora-all]
• Resolves: rhbz#2494775 CVE-2026-11611 389-ds-base: 389-ds-base: Content Sync plugin unbounded queue growth and race conditions [fedora-all]
• Resolves: rhbz#2494825 CVE-2026-11884 389-ds-base: 389-ds-base: heap buffer overflow in schema objectclass serialization due to missing oc_superior in size calculation [fedora-all]
• Resolves: rhbz#2494894 CVE-2026-11790 389-ds-base: 389-ds-base: PBKDF2 password storage plugin unbounded iteration count denial of service [fedora-all]
• Resolves: rhbz#2494895 CVE-2026-11789 389-ds-base: 389-ds-base: SMD5 password storage plugin salt length integer underflow crash [fedora-all]
• Resolves: rhbz#2509729 CVE-2026-11770 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check [fedora-all]
• Resolves: rhbz#2513063 CVE-2026-19404 389-ds-base: 389-ds-base: missing authorization allows anonymous clients to start or abort CleanAllRUV replication maintenance [fedora-all]
• Resolves: rhbz#2494827 CVE-2026-11793 389-ds-base: 389-ds-base: stack buffer overflow in checkPrefix() algorithm ID parsing [fedora-all]
• Resolves: rhbz#2494830 CVE-2026-11792 389-ds-base: 389-ds-base: heap buffer overflow in audit log password masking (create_masked_entry_string) [fedora-all]
• Resolves: rhbz#2498023 CVE-2026-15041 389-ds-base: 389-ds-base: Non-constant-time comparison in PBKDF2-SHA256 password verification [fedora-all]

• 389-ds-base-3.2.3-3.fc44

• Resolves: rhbz#2492927 CVE-2026-11774 389-ds-base: 389-ds-base: integer overflow in SASL packet length bypasses size limit leading to heap buffer overflow [fedora-all]
• Resolves: rhbz#2497652 CVE-2026-11610 389-ds-base: 389-ds-base: Heap buffer overflow in sasl_io_recv() via padded SASL UNBIND [fedora-all]
• Resolves: rhbz#2511796 CVE-2026-69152 389-ds-base: brace-expansion: Denial of Service via unbounded intermediate arrays [fedora-all]
• Resolves: rhbz#2529450 CVE-2026-76560 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN [fedora-all]
• Resolves: rhbz#2529451 CVE-2026-18453 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search [fedora-all]
• Resolves: rhbz#2529452 CVE-2026-18355 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() [fedora-all]
• Resolves: rhbz#2494775 CVE-2026-11611 389-ds-base: 389-ds-base: Content Sync plugin unbounded queue growth and race conditions [fedora-all]
• Resolves: rhbz#2494825 CVE-2026-11884 389-ds-base: 389-ds-base: heap buffer overflow in schema objectclass serialization due to missing oc_superior in size calculation [fedora-all]
• Resolves: rhbz#2494894 CVE-2026-11790 389-ds-base: 389-ds-base: PBKDF2 password storage plugin unbounded iteration count denial of service [fedora-all]
• Resolves: rhbz#2494895 CVE-2026-11789 389-ds-base: 389-ds-base: SMD5 password storage plugin salt length integer underflow crash [fedora-all]
• Resolves: rhbz#2509729 CVE-2026-11770 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check [fedora-all]
• Resolves: rhbz#2513063 CVE-2026-19404 389-ds-base: 389-ds-base: missing authorization allows anonymous clients to start or abort CleanAllRUV replication maintenance [fedora-all]
• Resolves: rhbz#2494827 CVE-2026-11793 389-ds-base: 389-ds-base: stack buffer overflow in checkPrefix() algorithm ID parsing [fedora-all]
• Resolves: rhbz#2494830 CVE-2026-11792 389-ds-base: 389-ds-base: heap buffer overflow in audit log password masking (create_masked_entry_string) [fedora-all]
• Resolves: rhbz#2498023 CVE-2026-15041 389-ds-base: 389-ds-base: Non-constant-time comparison in PBKDF2-SHA256 password verification [fedora-all]

• erlang-26.2.5.21-7.fc43

Backported fixes for CVE-2026-58227 and CVE-2026-59251

Fix for CVE-2026-55953

• erlang-26.2.5.21-7.fc44

Backported fixes for CVE-2026-58227 and CVE-2026-59251

Fix for CVE-2026-55953

• tar-1.35-9.fc44

Fix build with libacl 2.4.0, fix CVE-2026-5704, CVE-2026-18508, CVE-2026-18477, and a regression in the fix for CVE-2025-45582.

• environment-modules-5.6.2-1.fc45

Update to 5.6.2 (fix CVE-2026-85013)

• libevent-2.1.13-1.fc43

The following security vulnerabilites are fixed in this update:

• GHSA-fj29-64w6-73h6 CVE-2026-63383 https://github.com/libevent/libevent/security/advisories/GHSA-fj29-64w6-73h6
• GHSA-45c6-qx49-89m8 CVE-2026-63384 https://github.com/libevent/libevent/security/advisories/GHSA-45c6-qx49-89m8
• GHSA-cvq5-vrvr-j338 CVE-2026-63388 https://github.com/libevent/libevent/security/advisories/GHSA-cvq5-vrvr-j338
• GHSA-58rx-7448-jw47 CVE-2026-63387 https://github.com/libevent/libevent/security/advisories/GHSA-58rx-7448-jw47
• GHSA-2gmv-p5m7-98p6 CVE-2026-63379 https://github.com/libevent/libevent/security/advisories/GHSA-2gmv-p5m7-98p6
• GHSA-c2pj-cg4r-88c8 CVE-2026-63381 https://github.com/libevent/libevent/security/advisories/GHSA-c2pj-cg4r-88c8
• GHSA-q39v-w2g7-gr8j CVE-2026-63382 https://github.com/libevent/libevent/security/advisories/GHSA-q39v-w2g7-gr8j
• GHSA-jcwh-pvf2-73p2 CVE-2026-63385 https://github.com/libevent/libevent/security/advisories/GHSA-jcwh-pvf2-73p2

• erlang-26.2.5.21-6.fc44

Fix for CVE-2026-55953

• erlang-26.2.5.21-6.fc43

Fix for CVE-2026-55953

• libevent-2.1.13-1.fc44

The following security vulnerabilites are fixed in this update:

• GHSA-fj29-64w6-73h6 CVE-2026-63383 https://github.com/libevent/libevent/security/advisories/GHSA-fj29-64w6-73h6
• GHSA-45c6-qx49-89m8 CVE-2026-63384 https://github.com/libevent/libevent/security/advisories/GHSA-45c6-qx49-89m8
• GHSA-cvq5-vrvr-j338 CVE-2026-63388 https://github.com/libevent/libevent/security/advisories/GHSA-cvq5-vrvr-j338
• GHSA-58rx-7448-jw47 CVE-2026-63387 https://github.com/libevent/libevent/security/advisories/GHSA-58rx-7448-jw47
• GHSA-2gmv-p5m7-98p6 CVE-2026-63379 https://github.com/libevent/libevent/security/advisories/GHSA-2gmv-p5m7-98p6
• GHSA-c2pj-cg4r-88c8 CVE-2026-63381 https://github.com/libevent/libevent/security/advisories/GHSA-c2pj-cg4r-88c8
• GHSA-q39v-w2g7-gr8j CVE-2026-63382 https://github.com/libevent/libevent/security/advisories/GHSA-q39v-w2g7-gr8j
• GHSA-jcwh-pvf2-73p2 CVE-2026-63385 https://github.com/libevent/libevent/security/advisories/GHSA-jcwh-pvf2-73p2

• libevent-2.1.13-1.fc45

The following security vulnerabilites are fixed in this update:

• GHSA-fj29-64w6-73h6 CVE-2026-63383 https://github.com/libevent/libevent/security/advisories/GHSA-fj29-64w6-73h6
• GHSA-45c6-qx49-89m8 CVE-2026-63384 https://github.com/libevent/libevent/security/advisories/GHSA-45c6-qx49-89m8
• GHSA-cvq5-vrvr-j338 CVE-2026-63388 https://github.com/libevent/libevent/security/advisories/GHSA-cvq5-vrvr-j338
• GHSA-58rx-7448-jw47 CVE-2026-63387 https://github.com/libevent/libevent/security/advisories/GHSA-58rx-7448-jw47
• GHSA-2gmv-p5m7-98p6 CVE-2026-63379 https://github.com/libevent/libevent/security/advisories/GHSA-2gmv-p5m7-98p6
• GHSA-c2pj-cg4r-88c8 CVE-2026-63381 https://github.com/libevent/libevent/security/advisories/GHSA-c2pj-cg4r-88c8
• GHSA-q39v-w2g7-gr8j CVE-2026-63382 https://github.com/libevent/libevent/security/advisories/GHSA-q39v-w2g7-gr8j
• GHSA-jcwh-pvf2-73p2 CVE-2026-63385 https://github.com/libevent/libevent/security/advisories/GHSA-jcwh-pvf2-73p2

• freeipa-4.13.4-1.2.fc43

FreeIPA 4.13.4 security release

Upstream release notes: https://www.freeipa.org/release-notes/4-13-4.html

• gegl04-0.4.72-1.fc43

This update contains a new upstream release with bugfixes and improvements, notably it fixes an overflow in parsing RGBE/HDR image files.

For more information, please consult the upstream changelog.