CVE-2026-75834

Grav CMS before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss() function (system/src/Grav/Common/Security.php). All XSS detection patterns use the PCRE /u (UTF-8) modifier, so a single invalid UTF-8 byte anywhere in page content causes preg_match() to retu...

EUVD-2026-60598

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

CVE-2026-75834 Grav before 2.0.14 Stored XSS via Invalid UTF-8 Byte

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

Amazon Linux 2 : docker, --advisory ALAS2DOCKER-2026-138 (ALASDOCKER-2026-138)

The version of docker installed on the remote host is prior to 25.0.16-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2DOCKER-2026-138 advisory. A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Tenable has extract...

Amazon Linux 2 : containerd, --advisory ALAS2NITRO-ENCLAVES-2026-117 (ALASNITRO-ENCLAVES-2026-117)

The version of containerd installed on the remote host is prior to 2.1.9-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2NITRO-ENCLAVES-2026-117 advisory. A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Tenable h...

Amazon Linux 2023 : containerd, containerd-stress (ALAS2023-2026-2063)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2063 advisory. A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Tenable has extracted the preceding description block directly from the tested product security...

PT-2026-77173

MyBB is free and open source forum software. Prior to 1.8.40, the Admin CP UTF-8 Conversion module does not validate certain requests correctly, allowing same-site attackers to alter table encoding and deny service with a specially crafted URL. The do=all control flow in admin/modules/tools/syste...

Amazon Linux 2 : containerd, --advisory ALAS2DOCKER-2026-139 (ALASDOCKER-2026-139)

The version of containerd installed on the remote host is prior to 2.1.9-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2DOCKER-2026-139 advisory. A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Tenable has...

Amazon Linux 2023 : docker (ALAS2023-2026-2062)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2062 advisory. A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Tenable has extracted the preceding description block directly from the tested product security...

Amazon Linux 2 : docker, --advisory ALAS2NITRO-ENCLAVES-2026-116 (ALASNITRO-ENCLAVES-2026-116)

The version of docker installed on the remote host is prior to 25.0.16-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2NITRO-ENCLAVES-2026-116 advisory. A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Tenable has...

Important: docker

Issue Overview: A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Affected Packages: docker Note: This advisory is applicable to Amazon Linux 2 - Docker Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and this FAQ sectio...

Important: containerd

Issue Overview: A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Affected Packages: containerd Note: This advisory is applicable to Amazon Linux 2 - Docker Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and this FAQ...

Important: containerd

Issue Overview: A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Affected Packages: containerd Issue Correction: Run dnf update containerd --releasever 2023.12.20260817 or dnf update --advisory ALAS2023-2026-2063 --releasever 2023.12.202608...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: mozjs78 (UTSA-2024-003380)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2024-003380 advisory. xmltokimpl.c in Expat aka libexpat before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context...

Important: containerd

Issue Overview: A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Affected Packages: containerd Note: This advisory is applicable to Amazon Linux 2 - Nitro-enclaves Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and thi...

Important: docker

Issue Overview: A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Affected Packages: docker Issue Correction: Run dnf update docker --releasever 2023.12.20260817 or dnf update --advisory ALAS2023-2026-2062 --releasever 2023.12.20260817 to...

Important: docker

Issue Overview: A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Affected Packages: docker Note: This advisory is applicable to Amazon Linux 2 - Nitro-enclaves Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and this FA...

golang.org/x/text: golang.org/x/text: Denial of Service via invalid UTF-8 input

A flaw was found in golang.org/x/text. The norm.Iter component can enter an infinite loop when processing input that contains invalid UTF-8 Unicode Transformation Format - 8-bit bytes. A remote attacker could exploit this vulnerability by providing specially crafted input, leading to a Denial of...

golang.org/x/text: golang.org/x/text: Denial of Service via invalid UTF-8 input

A flaw was found in golang.org/x/text. The norm.Iter component can enter an infinite loop when processing input that contains invalid UTF-8 Unicode Transformation Format - 8-bit bytes. A remote attacker could exploit this vulnerability by providing specially crafted input, leading to a Denial of...

JLSEC-2026-1245 A flaw was found in GLib. A buffer over-read can occur in the g_regex_replace function when used...

A flaw was found in GLib. A buffer over-read can occur in the gregexreplace function when used with the GREGEXRAW compile flag and case-change replacement escapes because the stringappend function processes matched substrings using UTF-8 functions that assume valid UTF-8 input, even when the stri...