The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:41906 advisory.

    The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

    Security Fix(es):

    * httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)

    * Apache HTTP Server: mod_rewrite: Apache HTTP Server: Privilege Escalation via .htaccess file     manipulation (CVE-2026-24072)

    * httpd: mod_auth_digest: timing attack allows a bypass of digest authentication (CVE-2026-33006)

    * httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169)

    * httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)

    * httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server     (CVE-2026-44185)

    * httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631)

    * httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server     (CVE-2026-44186)

    * httpd: Apache httpd mod_dav_fs: Denial of Service due to path handling issue (CVE-2026-42535)

    * httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc     (CVE-2026-42536)

    * httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)

    * httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime (CVE-2026-43951)

    * httpd: Apache HTTP Server: Local .htaccess authors can read files with httpd user privileges     (CVE-2026-44119)

    Bug Fix(es) and Enhancement(s):

    * address Moderate severity issues from httpd 2.4.68 [rhel-9.8.z] (JIRA:RHEL-184520)

    * mod_proxy_html regression in CVE-2026-34355 fix [rhel-9.8.z] (JIRA:RHEL-192752)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2686-1 advisory.

    This update for apache2 fixes the following issues

    - CVE-2026-23918: http2: double free and possible RCE on early reset (bsc#1263957).
    - CVE-2026-24072: mod_rewrite elevation of privileges via ap_expr (bsc#1263935).
    - CVE-2026-28780: heap buffer overflow in `mod_proxy_ajp` via `ajp_msg_check_header()` (bsc#1264163).
    - CVE-2026-29167: mod_ldap per-dir use-after-free (bsc#1267976).
    - CVE-2026-29168: allocation of resources without limits in `mod_md` via OCSP response (bsc#1264150).
    - CVE-2026-29169: NULL pointer dereference in `mod_dav_lock` allows server crash via malicious requests     (bsc#1263956).
    - CVE-2026-29170: mod_proxy_ftp XSS (bsc#1267977).
    - CVE-2026-33006: `mod_auth_digest` timing attack allows bypass of Digest authentication (bsc#1263955).
    - CVE-2026-33007: NULL pointer dereference in `mod_authn_socache` allows unauthenticated remote user to     crash a child       processes (bsc#1263954).
    - CVE-2026-33523: HTTP response splitting forwarding malicious status line (bsc#1263953).
    - CVE-2026-33857: off-by-one OOB reads in AJP getter functions (bsc#1263952).
    - CVE-2026-34032: heap buffer overread in `mod_proxy_ajp` due to missing null-termination check     (bsc#1263951).
    - CVE-2026-34059: heap buffer overread and memory disclosure via `ajp_parse_data()` (bsc#1263950).
    - CVE-2026-34355: mod_proxy_html buffer overflow (bsc#1267978).
    - CVE-2026-34356: malicious backend servers can lead to a heap-based buffer overflow (bsc#1267955).
    - CVE-2026-42535: malicious path manipulation can lead to child process crashes (bsc#1267956).
    - CVE-2026-42536: processing untrusted content can lead to a heap-based buffer overflow (bsc#1267962).
    - CVE-2026-43951: out-of-bound read in `merge_response_headers` can cause crash (bsc#1267963).
    - CVE-2026-44119: improper privilege management can lead to an unauthorized read (bsc#1267965).
    - CVE-2026-44185: Stack Buffer Over-Read in mod_ssl OCSP `send_request` (bsc#1267969).
    - CVE-2026-44186: responses from an attacker-controlled FTP backend can lead to resource exhaustion and a     denial of       service (bsc#1267970).
    - CVE-2026-44631: crafted regular expression can lead to a buffer underwrite (bsc#1267971).
    - CVE-2026-48913: file handle exhaustion during request processing in mod_http2 can lead to a use-after-     free       (bsc#1267972).
    - CVE-2026-49975: Fix cookie header accounting against LimitRequestFields (bsc#1267503).

    Non security issue:

    - Update to 2.4.66 (jsc#PED-16334).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2735-1 advisory.

    This update for apache2 fixes the following issues

    - CVE-2026-29167: mod_ldap per-dir use-after-free (bsc#1267976).
    - CVE-2026-29170: mod_proxy_ftp XSS (bsc#1267977).
    - CVE-2026-34355: mod_proxy_html buffer overflow (bsc#1267978).
    - CVE-2026-34356: malicious backend servers can lead to a heap-based buffer overflow (bsc#1267955).
    - CVE-2026-42535: malicious path manipulation can lead to child process crashes (bsc#1267956).
    - CVE-2026-42536: processing untrusted content can lead to a heap-based buffer overflow (bsc#1267962).
    - CVE-2026-43951: out-of-bound read in `merge_response_headers` can cause crash (bsc#1267963).
    - CVE-2026-44119: improper privilege management can lead to an unauthorized read (bsc#1267965).
    - CVE-2026-44185: Stack Buffer Over-Read in mod_ssl OCSP `send_request` (bsc#1267969).
    - CVE-2026-44186: responses from an attacker-controlled FTP backend can lead to resource exhaustion and a     denial of       service (bsc#1267970).
    - CVE-2026-44631: crafted regular expression can lead to a buffer underwrite (bsc#1267971).
    - CVE-2026-48913: file handle exhaustion during request processing in mod_http2 can lead to a use-after-     free       (bsc#1267972).
    - CVE-2026-49975: Fix cookie header accounting against LimitRequestFields (bsc#1267503).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47046 advisory.

    The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

    Security Fix(es):

    * httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)

    * httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data()     (CVE-2026-34059)

    * httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032)

    * httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857)

    * httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169)

    * httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash (CVE-2026-33007)

    * Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-     based buffer overflow (CVE-2026-28780)

    * httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)

    * httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server     (CVE-2026-44185)

    * httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631)

    * httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc     (CVE-2026-42536)

    * httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:34109 advisory.

    The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

    Security Fix(es):

    * httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)

    * httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169)

    * httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)

    * httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server     (CVE-2026-44185)

    * httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631)

    * httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc     (CVE-2026-42536)

    * httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)

    Bug Fix(es) and Enhancement(s):

    * address Moderate severity issues from httpd 2.4.68 [rhel-10.2.z] (JIRA:RHEL-184518)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an     untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue.
    (CVE-2026-34355)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42828 advisory.

    * httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)
      * httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169)
      * httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)
      * httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server     (CVE-2026-44185)
      * httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631)
      * httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server     (CVE-2026-44186)
      * httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc     (CVE-2026-42536)
      * httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)
      * httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime (CVE-2026-43951)


    Bug Fix(es) and Enhancement(s):

      * mod_proxy_html regression in CVE-2026-34355 fix [almalinux-8.10.z] (JIRA:AlmaLinux-192751)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:41906 advisory.

    * httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)

    * Apache HTTP Server: mod_rewrite: Apache HTTP Server: Privilege Escalation via .htaccess file     manipulation (CVE-2026-24072)

    * httpd: mod_auth_digest: timing attack allows a bypass of digest authentication (CVE-2026-33006)

    * httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169)

    * httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)

    * httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server     (CVE-2026-44185)

    * httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631)

    * httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server     (CVE-2026-44186)

    * httpd: Apache httpd mod_dav_fs: Denial of Service due to path handling issue (CVE-2026-42535)

    * httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc     (CVE-2026-42536)

    * httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)

    * httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime (CVE-2026-43951)

    * httpd: Apache HTTP Server: Local .htaccess authors can read files with httpd user privileges     (CVE-2026-44119)

    Bug Fix(es) and Enhancement(s):

    * address Moderate severity issues from httpd 2.4.68 [rhel-9.8.z] (JIRA:Rocky Linux-184520)

    * mod_proxy_html regression in CVE-2026-34355 fix [rhel-9.8.z] (JIRA:Rocky Linux-192752)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-42828 advisory.

    - Resolves: RHEL-173558 - httpd:2.4/httpd: Apache HTTP Server mod_proxy_ajp:
      Arbitrary code execution via heap-based buffer overflow (CVE-2026-28780)
    - Resolves: RHEL-175074 - httpd:2.4/httpd: NULL pointer dereference can       cause a child process crash (CVE-2026-33007)
    - Resolves: RHEL-175088 - httpd:2.4/httpd: off-by-one out-of-bounds reads       in AJP getter functions (CVE-2026-33857)
    - Resolves: RHEL-175620 - httpd:2.4/httpd: NULL pointer dereference via       specially crafted request (CVE-2026-29169)
    - Resolves: RHEL-175055 - httpd: heap-based buffer over-read and memory       disclosure in ajp_parse_data() (CVE-2026-34059)
    - Resolves: RHEL-135054 - httpd: Apache HTTP Server: mod_userdir+suexec bypass       via AllowOverride FileInfo (CVE-2025-66200)
    - Resolves: RHEL-135039 - httpd: Apache HTTP Server: CGI environment variable       override (CVE-2025-65082)
    - Resolves: RHEL-134471 - httpd: Apache HTTP Server: Server Side Includes adds       query string to #exec cmd=... (CVE-2025-58098)
    - Resolves: RHEL-127073 - mod_ssl: allow more fine grained SSL SNI vhost check       to avoid unnecessary 421 errors after CVE-2025-23048 fix
    - Resolves: RHEL-99944 - CVE-2025-49812 httpd: HTTP Session Hijack via a TLS upgrade
    - Resolves: RHEL-99969 - CVE-2024-47252 httpd: insufficient escaping of       user-supplied data in mod_ssl
    - Resolves: RHEL-99961 - CVE-2025-23048 httpd: access control bypass by trusted       clients is possible using TLS 1.3 session resumption
    - Resolves: RHEL-46040 - httpd:2.4/httpd: Security issues via backend       applications whose response headers are malicious or exploitable (CVE-2024-38476)
    - Resolves: RHEL-53022 - Regression introduced by CVE-2024-38474 fix
    - Resolves: RHEL-45812 - httpd:2.4/httpd: Substitution encoding issue       in mod_rewrite (CVE-2024-38474)
    - Resolves: RHEL-45785 - httpd:2.4/httpd: Encoding problem in       mod_proxy (CVE-2024-38473)
    - Resolves: RHEL-45777 - httpd:2.4/httpd: Improper escaping of output       in mod_rewrite (CVE-2024-38475)
    - Resolves: RHEL-45758 - httpd:2.4/httpd: null pointer dereference       in mod_proxy (CVE-2024-38477)
    - Resolves: RHEL-45743 - httpd:2.4/httpd: Potential SSRF       in mod_rewrite (CVE-2024-39573)
    - Resolves: RHEL-31857 - httpd:2.4/httpd: HTTP response       splitting (CVE-2023-38709)

    mod_http2
    - Resolves: RHEL-191279 - mod_http2: Apache HTTP Server: Out-of-bounds       Read in mod_headers and mod_mime (CVE-2026-43951)
    - Resolves: RHEL-182418 - mod_http2: HTTP/2: Remote Denial of Service via       compression bomb and Slowloris-style attack (CVE-2026-49975)
    - Resolves: RHEL-166277 - httpd:2.4/httpd: Apache HTTP Server: HTTP/2 DoS by       Memory Increase (CVE-2025-53020)
    - Resolves: RHEL-105186 - httpd:2.4/httpd: untrusted input from a client causes       an assertion to fail in the Apache mod_proxy_http2 module (CVE-2025-49630)
    - Resolves: RHEL-58454 - mod_proxy_http2 failures after CVE-2024-38477 fix
    - Resolves: RHEL-29817 - httpd:2.4/mod_http2: httpd: CONTINUATION frames       DoS (CVE-2024-27316)
    - Resolves: RHEL-13367 - httpd:2.4/mod_http2: reset requests exhaust memory       (incomplete fix of CVE-2023-44487)(CVE-2023-45802)
    - Resolves: #2177748 - CVE-2023-25690 httpd:2.4/httpd: HTTP request splitting       with mod_rewrite and mod_proxy

    mod_md
    - Resolves: RHEL-134487 - httpd:2.4/httpd: Apache HTTP Server: mod_md (ACME),       unintended retry intervals (CVE-2025-55753)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
327970	RHEL 9 : httpd (RHSA-2026:41906)	Nessus	Red Hat Local Security Checks	2026/7/20	2026/7/20	critical
324047	SUSE SLES15: apache2 / apache2-devel / apache2-doc / apache2-prefork / etc (SUSE-SU-2026:2686-1)	Nessus	SuSE Local Security Checks	2026/7/1	2026/7/1	high
325031	SUSE SLES15: apache2 / apache2-devel / apache2-manual / apache2-prefork / etc (SUSE-SU-2026:2735-1)	Nessus	SuSE Local Security Checks	2026/7/3	2026/7/3	high
330344	RHEL 10 : httpd (RHSA-2026:47046)	Nessus	Red Hat Local Security Checks	2026/7/28	2026/7/28	critical
324571	RHEL 10 : httpd (RHSA-2026:34109)	Nessus	Red Hat Local Security Checks	2026/7/1	2026/7/8	critical
319917	Linux Distros Unpatched Vulnerability : CVE-2026-34355	Nessus	Misc.	2026/6/9	2026/7/25	high
328975	AlmaLinux 8 : httpd:2.4 (ALSA-2026:42828)	Nessus	Alma Linux Local Security Checks	2026/7/22	2026/7/22	critical
329047	RockyLinux 9 : httpd (RLSA-2026:41906)	Nessus	Rocky Linux Local Security Checks	2026/7/22	2026/7/23	critical
329258	Oracle Linux 8 : httpd:2.4 (ELSA-2026-42828)	Nessus	Oracle Linux Local Security Checks	2026/7/23	2026/7/23	critical

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