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OSV
OSV
added 2026/05/27 9:33 p.m.4 views

GHSA-4QPC-3HR4-R2P4 Symfony's YAML Parser Vulnerable to Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs")

Description Symfony\Component\Yaml\Parser resolves YAML aliases anchor during parsing. Aliases that reference collections arrays, stdClass, TaggedValue-wrapped collections can themselves point to other collections containing aliases, creating exponential expansion at resolution time. A small inpu...

6.9CVSS5.8AI score0.00076EPSS
Exploits0References6
Github Security Blog
Github Security Blog
added 2026/05/27 9:33 p.m.14 views

Symfony's YAML Parser Vulnerable to Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs")

Description Symfony\Component\Yaml\Parser resolves YAML aliases anchor during parsing. Aliases that reference collections arrays, stdClass, TaggedValue-wrapped collections can themselves point to other collections containing aliases, creating exponential expansion at resolution time. A small inpu...

5.8AI score0.00076EPSS
Exploits0References6Affected Software2
Positive Technologies
Positive Technologies
added 2026/05/27 12:0 a.m.7 views

PT-2026-44149

Description SymfonyComponentYamlParser resolves YAML aliases anchor during parsing. Aliases that reference collections arrays, stdClass, TaggedValue-wrapped collections can themselves point to other collections containing aliases, creating exponential expansion at resolution time. A small input c...

6.9CVSS5.8AI score0.00076EPSS
Exploits0References7
CNNVD
CNNVD
added 2026/05/27 12:0 a.m.8 views

Himmelblau 安全漏洞

Himmelblau is an open-source Azure Entra ID authentication module developed by Himmelblau. Versions of Himmelblau from 2.0.0 to 3.1.5, as well as versions prior to 2.3.11, contained security vulnerabilities. These vulnerabilities stemmed from the tokenvalidate function, which did not verify wheth...

8.4CVSS5.8AI score0.00245EPSS
Exploits0References1
OSV
OSV
added 2026/05/24 12:15 a.m.5 views

CLSA-2026-1779581754 tigervnc: Fix of CVE-2026-34000

CVE-2026-34000: widen bounds check in CheckSetGeom to cover both key alias names 2 XkbKeyNameLength and prevent out-of-bounds read of uninitialized memory in XkbAddGeomKeyAlias...

9.1CVSS5.8AI score0.00397EPSS
Exploits0References1
OSV
OSV
added 2026/05/23 12:50 a.m.5 views

CLSA-2026-1779497454 tigervnc: Fix of CVE-2026-34000

CVE-2026-34000: widen bounds check in CheckSetGeom to cover both key alias names 2 XkbKeyNameLength and prevent out-of-bounds read of uninitialized memory in XkbAddGeomKeyAlias bundled xorg-server...

9.1CVSS5.8AI score0.00397EPSS
Exploits0References1
Krebs on Security
Krebs on Security
added 2026/05/21 9:50 p.m.9 views

Alleged Kimwolf Botmaster ‘Dort’ Arrested, Charged in U.S. and Canada

Canadian authorities on Wednesday arrested a 23-year-old Ottawa man on suspicion of building and operating Kimwolf , a fast spreading Internet-of-Things botnet that enslaved millions of devices for use in a series of massive distributed denial-of-service DDoS attacks over the past six months...

5.8AI score
Exploits0
CVE
CVE
added 2026/05/21 9:45 p.m.19 views

CVE-2026-8139

Concrete CMS versions 9.5.0 and earlier are vulnerable to stored XSS on the external-link page cvName due to updateCollectionAliasExternal bypassing sanitization. The issue is triggered by the sanitize bypass in updateCollectionAliasExternal, enabling stored scripts delivered to users. Affected p...

5.4CVSS5.8AI score0.0015EPSS
Exploits0References1Affected Software1
Cvelist
Cvelist
added 2026/05/21 9:45 p.m.26 views

CVE-2026-8139 Concrete CMS 9.5.0 and below is vulnerable to Stored XSS via external-link page cvName

Concrete CMS 9.5.0 and below is vulnerable to Stored XSS via external-link page cvName because updateCollectionAliasExternal bypasses being sanitized. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.0 with...

2CVSS0.0015EPSS
Exploits0References1
Positive Technologies
Positive Technologies
added 2026/05/21 12:0 a.m.7 views

PT-2026-42692

Name of the Vulnerable Software and Affected Versions Twig versions 3.15.0 through 3.x Description The obj.expr dynamic-attribute syntax allows the attribute to be an arbitrary expression. When the receiver is self or any % import % alias and the parenthesised expression is a string literal, the...

8.7CVSS5.4AI score0.00056EPSS
Exploits0References24
ATTACKERKB
ATTACKERKB
added 2026/05/20 4:13 p.m.4 views

CVE-2026-9087

A flaw was found in Keycloak. The cross-session verification proof is keyed only by local userId, idpAlias and is not bound to the upstream identity that was actually verified, so a second upstream account on the same IdP can consume it and get linked to the victim's local account...

6.4CVSS5.8AI score0.00264EPSS
Exploits0References3
Vulnrichment
Vulnrichment
added 2026/05/20 4:13 p.m.5 views

CVE-2026-9087 Keycloak: cross-session email verification proof not bound to upstream identity in first-broker-login

A flaw was found in Keycloak. The cross-session verification proof is keyed only by local userId, idpAlias and is not bound to the upstream identity that was actually verified, so a second upstream account on the same IdP can consume it and get linked to the victim's local account...

6.4CVSS5.8AI score0.00264EPSS
Exploits0References4
OSV
OSV
added 2026/05/20 12:16 p.m.3 views

MAL-2026-4428 Malicious code in @rspack-debug/core (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c05c92aa1796614da12b282390f160fef2a5c63aba9a3257af956c19df341ce5 Package @rspack-debug/[email protected] impersonates the popular @rspack/core bundler. The README, description 'Fast Rust-based bundler for the web with a...

5.9AI score
Exploits0References1
OSV
OSV
added 2026/05/20 10:16 a.m.3 views

ALPINE-CVE-2026-42959

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

7.5CVSS5.6AI score0.00512EPSS
Exploits0References1
AstraLinux
AstraLinux
added 2026/05/20 5:53 a.m.3 views

Astra Linux - уязвимость в snakeyaml

The Alias feature in SnakeYAML before version 1.26 allowed entity expansion during a load operation, which is a related issue to CVE-2003-1564...

7.5CVSS6.8AI score0.26723EPSS
Exploits1References2
AstraLinux
AstraLinux
added 2026/05/20 5:53 a.m.4 views

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: nfs: Return EISDIR when nfs3proccreate is called, if dalias is a directory. If we find an alias through nfs3docreate/nfsaddorobtain/dsplicealias that turns out to be a directory entry, we do not return any errors and simply ignor...

5.5CVSS5.2AI score0.00116EPSS
Exploits0References1
AstraLinux
AstraLinux
added 2026/05/20 5:53 a.m.11 views

Astra Linux – Vulnerability in Python-Django

A issue was discovered in Django 4.2 before 4.2.25, 5.1 before 5.1.13, and 5.2 before 5.2.7. Methods like QuerySet.annotate, QuerySet.alias, QuerySet.aggregate, and QuerySet.extra are vulnerable to SQL injection when column aliases are used, especially when a properly crafted dictionary is passed...

9.8CVSS7.3AI score0.00592EPSS
Exploits0References2
AstraLinux
AstraLinux
added 2026/05/20 5:53 a.m.6 views

Astra Linux - уязвимость в open-vm-tools

A malicious actor who has been granted “Guest Operation Privileges” https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html can potentially elevate their privileges if the target virtual machine has been assigned a more privileged “Guest Alias...

7.5CVSS7.2AI score0.01193EPSS
Exploits0References2
UbuntuCve
UbuntuCve
added 2026/05/20 12:0 a.m.5 views

CVE-2026-42959

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

8.7CVSS5.8AI score0.00512EPSS
Exploits0References3
Veracode
Veracode
added 2026/05/16 5:32 a.m.15 views

Server-Side Request Forgery

esm.sh is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to insufficient validation in the /https fetch route, where localhost and internal network protections rely on hostname string checks that can be bypassed using DNS alias domains, allowing attackers to induce...

8.6CVSS7.2AI score0.00339EPSS
Exploits1References4Affected Software1
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