🚨 CVE-2026-74973
Race condition, use-after-free in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.
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Race condition, use-after-free in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74974
Same-origin policy bypass in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.
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Same-origin policy bypass in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74975
Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.
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Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.
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bugzilla.mozilla.org
1842361 - (CVE-2026-74975) Download confirmation notification can be overlaid over other origins.
RESOLVED (giorga) in Firefox for Android - Downloads. Last updated 2026-08-17.
🚨 CVE-2026-74976
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.
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JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74977
Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74978
Clickjacking issue in the Widget component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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Clickjacking issue in the Widget component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74979
Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74980
Clickjacking issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.
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Clickjacking issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.
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bugzilla.mozilla.org
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🚨 CVE-2026-74981
Site isolation issue in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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Site isolation issue in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74982
Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74983
Mitigation bypass in the Data Loss Prevention component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.
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Mitigation bypass in the Data Loss Prevention component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74984
Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74985
Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74986
Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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bugzilla.mozilla.org
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🚨 CVE-2026-74987
Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.
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Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.
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🚨 CVE-2026-74989
Internally found bugs present in Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154.
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Internally found bugs present in Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154.
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🚨 CVE-2026-74990
Internally found bugs present in Firefox ESR 115.38, Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.
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Internally found bugs present in Firefox ESR 115.38, Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.
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🚨 CVE-2026-75874
Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154.
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Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154.
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bugzilla.mozilla.org
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🚨 CVE-2025-5222
A stack buffer overflow was found in Internationl components for unicode (ICU ). While running the genrb binary, the 'subtag' struct overflowed at the SRBRoot::addTag function. This issue may lead to memory corruption and local arbitrary code execution.
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A stack buffer overflow was found in Internationl components for unicode (ICU ). While running the genrb binary, the 'subtag' struct overflowed at the SRBRoot::addTag function. This issue may lead to memory corruption and local arbitrary code execution.
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🚨 CVE-2026-1933
A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only exports. This could allow modification of SMB-visible file behavior, including converting files into symbolic links or other reparse point types.
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A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only exports. This could allow modification of SMB-visible file behavior, including converting files into symbolic links or other reparse point types.
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🚨 CVE-2026-11788
A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure.
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A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure.
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