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osv_clsa
osv_clsa
β€’added 2026/04/27 3:50 p.m.β€’21 views

CLSA-2026-1777305047 expat: Fix of 3 CVEs

CVE-2017-9233: Fix external entity infinite loop bug - CVE-2018-20843: Fix extraction of namespace prefix from XML name - CVE-2019-15903: Deny internal entities closing the doctype heap overread...

7.8CVSS6.9AI score0.08739EPSS
SaveExploits3References1
Github Security Blog
Github Security Blog
β€’added 2026/04/01 12:30 a.m.β€’33 views

SiYuan vulnerable to reflected XSS via SVG namespace prefix bypass in SanitizeSVG (getDynamicIcon, unauthenticated)

Summary The SanitizeSVG function introduced in v3.6.0 to fix XSS in the unauthenticated /api/icon/getDynamicIcon endpoint can be bypassed by using namespace-prefixed element names such as . The Go HTML5 parser records the element's tag as "x:script" rather than "script", so the tag check passes i...

8.6CVSS8.4AI score0.00602EPSS
SaveExploits2References5Affected Software1
EUVD
EUVD
β€’added 2026/04/01 12:30 a.m.β€’40 views

EUVD-2026-17687

SiYuan vulnerable to reflected XSS via SVG namespace prefix bypass in SanitizeSVG getDynamicIcon, unauthenticated...

8.6CVSS8.5AI score0.00602EPSS
SaveExploits2References3
NVD
NVD
β€’added 2026/03/31 10:16 p.m.β€’27 views

CVE-2026-34605

SiYuan is a personal knowledge management system. From version 3.6.0 to before version 3.6.2, the SanitizeSVG function introduced in version 3.6.0 to fix XSS in the unauthenticated /api/icon/getDynamicIcon endpoint can be bypassed by using namespace-prefixed element names such as . The Go HTML5...

8.6CVSS0.00602EPSS
SaveExploits2References3
CVE
CVE
β€’added 2026/03/31 9:50 p.m.β€’67 views

CVE-2026-34605

SiYuan 3.6.0–3.6.1 suffer a bypass of the SanitizeSVG XSS fix on the unauthenticated /api/icon/getDynamicIcon endpoint. The Go HTML5 parser records namespace-prefixed SVG tags as x:script, allowing the tag to bypass the numeric sprite check; when served as image/svg+xml without a CSP, the browser...

8.6CVSS8AI score0.00602EPSS
SaveExploits2References3Affected Software1
Vulnrichment
Vulnrichment
β€’added 2026/03/31 9:50 p.m.β€’13 views

CVE-2026-34605 SiYuan: Reflected XSS via SVG namespace prefix bypass in SanitizeSVG ( getDynamicIcon, unauthenticated )

SiYuan is a personal knowledge management system. From version 3.6.0 to before version 3.6.2, the SanitizeSVG function introduced in version 3.6.0 to fix XSS in the unauthenticated /api/icon/getDynamicIcon endpoint can be bypassed by using namespace-prefixed element names such as . The Go HTML5...

8.6CVSS8AI score0.00602EPSS
SaveExploits2References3
osv_cve
osv_cve
β€’added 2026/03/31 9:50 p.m.β€’46 views

CVE-2026-34605 SiYuan: Reflected XSS via SVG namespace prefix bypass in SanitizeSVG ( getDynamicIcon, unauthenticated )

SiYuan is a personal knowledge management system. From version 3.6.0 to before version 3.6.2, the SanitizeSVG function introduced in version 3.6.0 to fix XSS in the unauthenticated /api/icon/getDynamicIcon endpoint can be bypassed by using namespace-prefixed element names such as . The Go HTML5...

8.6CVSS5.7AI score
SaveExploits0References5
Cvelist
Cvelist
β€’added 2026/03/31 9:50 p.m.β€’77 views

CVE-2026-34605 SiYuan: Reflected XSS via SVG namespace prefix bypass in SanitizeSVG ( getDynamicIcon, unauthenticated )

SiYuan is a personal knowledge management system. From version 3.6.0 to before version 3.6.2, the SanitizeSVG function introduced in version 3.6.0 to fix XSS in the unauthenticated /api/icon/getDynamicIcon endpoint can be bypassed by using namespace-prefixed element names such as . The Go HTML5...

8.6CVSS0.00602EPSS
SaveExploits2References3
osv_clsa
osv_clsa
β€’added 2026/01/14 5:28 p.m.β€’24 views

CLSA-2026-1768411712 php: Fix of 2 CVEs

CVE-2025-1220: fix null byte termination in hostnames - CVE-2025-6491: fix NULL pointer dereference in PHP SOAP extension via large XML namespace prefix...

5.9CVSS6.3AI score0.0099EPSS
SaveExploits2References1
Tenable Nessus
Tenable Nessus
β€’added 2025/08/07 12:00 a.m.β€’11 views

CBL Mariner 2.0 Security Update: php (CVE-2025-6491)

The version of php installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-6491 advisory. - In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 when parsing XML...

5.9CVSS8.1AI score0.0099EPSS
SaveExploits1References2
Microsoft CVE
Microsoft CVE
β€’added 2025/08/06 7:00 a.m.β€’10 views

NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix

...

5.9CVSS7AI score0.0099EPSS
SaveExploits1
SUSE Linux
SUSE Linux
β€’added 2025/07/22 8:41 a.m.β€’48 views

Security update for php8

This update for php8 fixes the following issues: Version update to 8.3.23: CVE-2025-1220: Fixed null byte termination in hostnames bsc1246167 CVE-2025-1735: Fixed pgsql extension does not check for errors during escaping bsc1246146 CVE-2025-6491: Fixed NULL Pointer Dereference in PHP SOAP Extensi...

9.1CVSS7.1AI score0.01EPSS
SaveExploits2References12
osv_bit
osv_bit
β€’added 2025/07/16 8:19 a.m.β€’28 views

BIT-PHP-2025-6491 NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix

In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 when parsing XML data in SOAP extensions, overly large 2Gb XML namespace prefix may lead to null pointer dereference. This may lead to crashes and affect the availability of the target server...

5.9CVSS9.3AI score0.0099EPSS
SaveExploits1References4
osv_cve
osv_cve
β€’added 2025/07/13 10:10 p.m.β€’31 views

CVE-2025-6491 NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix

In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 when parsing XML data in SOAP extensions, overly large 2Gb XML namespace prefix may lead to null pointer dereference. This may lead to crashes and affect the availability of the target server...

5.9CVSS6.9AI score
SaveExploits0References5
CVE
CVE
β€’added 2025/07/13 10:10 p.m.β€’247 views

CVE-2025-6491

CVE-2025-6491 causes a NULL pointer dereference in the PHP SOAP extension when parsing XML data with very large ( >2 GB) XML namespace prefixes, leading to server crashes and potential availability impact. It affects PHP versions across 8.1–8.4 series before patched releases; patched versions ...

5.9CVSS9.3AI score0.0099EPSS
SaveExploits1References3Affected Software1
Rapid7 Vulnerability Database (full)
Rapid7 Vulnerability Database (full)
β€’added 2025/07/13 12:00 a.m.β€’5 views

CVE-2025-6491: NULL Pointer Dereference

In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 when parsing XML data in SOAP extensions, overly large 2Gb XML namespace prefix may lead to null pointer dereference. This may lead to crashes and affect the availability of the target server...

5.9CVSS5.6AI score0.0099EPSS
SaveExploits1References1
osv_bit
osv_bit
β€’added 2024/03/06 11:07 a.m.β€’31 views

BIT-GOLANG-2020-29509

The encoding/xml package in Go all versions does not correctly preserve the semantics of attribute namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications...

9.8CVSS7.1AI score0.02099EPSS
SaveExploits0References3
RedHat Linux
RedHat Linux
β€’added 2022/04/12 3:54 p.m.β€’10 views

expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution

A flaw was found in expat. Passing one or more namespace separator characters in the "xmlns:prefix" attribute values made expat send malformed tag names to the XML processor on top of expat. This issue causes arbitrary code execution depending on how unexpected cases are handled inside the XML...

9.8CVSS7.6AI score0.35271EPSS
SaveExploits0References5
RedHat Linux
RedHat Linux
β€’added 2022/03/14 10:07 a.m.β€’17 views

expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution

A flaw was found in expat. Passing one or more namespace separator characters in the "xmlns:prefix" attribute values made expat send malformed tag names to the XML processor on top of expat. This issue causes arbitrary code execution depending on how unexpected cases are handled inside the XML...

9.8CVSS7.6AI score0.35271EPSS
SaveExploits0References5
osv_ghsa
osv_ghsa
β€’added 2021/12/20 5:53 p.m.β€’106 views

GHSA-M9HP-7R99-94H5 Critical security issues in XML encoding in github.com/dexidp/dex

Impact The following vulnerabilities have been disclosed, which impact users leveraging the SAML connector: Signature Validation Bypass CVE-2020-15216: https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7 encoding/xml instabilities: - Element namespace prefix...

9.3CVSS8.1AI score0.01718EPSS
SaveExploits0References11
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