MGASA-2026-0014: thunderbird Mageia
CVSS: UnknownPublished
Published 20-01-2026Last modified 16-04-2026
Vulnerability summary
MGASA-2026-0014 is a vulnerability in thunderbird Mageia with no CVSS score yet.
CVSS score
Not scored
010
No CVSS score recordedEPSS score
Not scored
0%100%
No EPSS score yetKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 13 · Downstream 0Timeline
- 20-01-2026PublishedVulnerability first disclosed.
- 16-04-2026Last modifiedVulnerability information updated.
Description
Updated thunderbird packages fix security vulnerabilities Mitigation bypass in the DOM: Security component. (CVE-2026-0877) Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. (CVE-2026-0878) Sandbox escape due to incorrect boundary conditions in the Graphics component. (CVE-2026-0879) Sandbox escape due to integer overflow in the Graphics component. (CVE-2026-0880) Use-after-free in the IPC component. (CVE-2026-0882) Spoofing issue in the Downloads Panel component. (CVE-2025-14327) Information disclosure in the Networking component. (CVE-2026-0883) Use-after-free in the JavaScript Engine component. (CVE-2026-0884) Use-after-free in the JavaScript: GC component. (CVE-2026-0885) Incorrect boundary conditions in the Graphics component. (CVE-2026-0886) Clickjacking issue, information disclosure in the PDF Viewer component. (CVE-2026-0887) Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. (CVE-2026-0890) Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. (CVE-2026-0891)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Mageia2 products
- thunderbird< 140.7.0-1.mga9
- thunderbird-l10n< 140.7.0-1.mga9
1 vendor · 2 products
References
4 linksRelated vulnerabilities
MGASA-2026-0449mageiathunderbird+3Updated thunderbird & thunderbird-l10n packages fix security vulnerabilities
Ambiguous parsing of mail headers. (CVE-2026-92238)
Buffer overrun in IMAP. (CVE-2026-92239)
Out-of-bounds read in IMAP response parser. (CVE-2026-92240)
Use-after-free in the Audio/Video: Web Codecs component.
(CVE-2026-92005)
Privilege escalation due to incorrect boundary conditions in the
Graphics: CanvasWebGL component. (CVE-2026-92006)
Privilege escalation due to incorrect boundary conditions in the
Graphics: CanvasWebGL component. (CVE-2026-92007)
Privilege escalation due to incorrect boundary conditions in the
Graphics: CanvasWebGL component. (CVE-2026-92008)
Privilege escalation due to incorrect boundary conditions in the
Graphics: CanvasWebGL component. (CVE-2026-92009)
Privilege escalation due to incorrect boundary conditions in the
Graphics: CanvasWebGL component. (CVE-2026-92010)
Privilege escalation due to incorrect boundary conditions in the
Graphics: CanvasWebGL component. (CVE-2026-92011)
Privilege escalation due to incorrect boundary conditions in the
Graphics: CanvasWebGL component. (CVE-2026-92012)
Privilege escalation due to incorrect boundary conditions in the
Graphics: CanvasWebGL component. (CVE-2026-92013)
Privilege escalation due to incorrect boundary conditions in the
Graphics component. (CVE-2026-92014)
Privilege escalation in the WebExtensions component. (CVE-2026-92015)
Use-after-free in the Disability Access APIs component. (CVE-2026-92016)
Privilege escalation in the DOM: Service Workers component.
(CVE-2026-92017)
Sandbox escape in the DOM: Core & HTML component. (CVE-2026-92018)
Mitigation bypass in the Remote Settings Client component.
(CVE-2026-92019)
Privilege escalation due to incorrect boundary conditions in the
Graphics: WebRender component. (CVE-2026-92020)
Use-after-free in the JavaScript Engine: JIT component. (CVE-2026-92021)
Use-after-free in the DOM: HTML Parser component. (CVE-2026-92022)
Use-after-free in the XML component. (CVE-2026-92023)
Use-after-free in the SVG component. (CVE-2026-92024)
Use-after-free in the DOM: Navigation component. (CVE-2026-92025)
Use-after-free in the Networking component. (CVE-2026-92026)
Use-after-free in the DOM: Streams component. (CVE-2026-92027)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-92028)
Use-after-free in the SVG component. (CVE-2026-92029)
Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component.
(CVE-2026-92030)
Information disclosure in the Graphics: ImageLib component.
(CVE-2026-92031)
Sandbox escape due to invalid pointer in the Graphics component.
(CVE-2026-92032)
Mitigation bypass in the Remote Settings Client component.
(CVE-2026-92038)
Mitigation bypass in the DOM: Notifications component. (CVE-2026-92039)
Mitigation bypass in the DOM: Networking component. (CVE-2026-92041)
Race condition in the DOM: Content Processes component. (CVE-2026-92042)
Privilege escalation due to incorrect boundary conditions in the
Audio/Video component. (CVE-2026-92043)
Information disclosure in the Networking: HTTP component.
(CVE-2026-92044)
Sandbox escape due to incorrect boundary conditions in the WebRTC
component. (CVE-2026-92045)
Use-after-free in the Graphics component. (CVE-2026-92046)
Privilege escalation in the Crash Reporting component. (CVE-2026-92047)
Privilege escalation due to uninitialized memory in the Graphics:
CanvasWebGL component. (CVE-2026-92052)
Privilege escalation in the Graphics: CanvasWebGL component.
(CVE-2026-92053)
Privilege escalation in the Memory component. (CVE-2026-92054)
Privilege escalation in the DevTools component. (CVE-2026-92055)
Use-after-free in the Graphics: Text component. (CVE-2026-92056)
Mitigation bypass in the Enterprise Policies component. (CVE-2026-92057)
Use-after-free in the Graphics component. (CVE-2026-92058)
Incorrect boundary conditions in the DOM: Editor component.
(CVE-2026-92059)
Use-after-free in the Internationalization component. (CVE-2026-92060)
Privilege escalation in the Session Restore component. (CVE-2026-92062)
Use-after-free in the Widget: Gtk component. (CVE-2026-92067)
Site isolation issue in the Reader Mode component. (CVE-2026-92068)
Spoofing issue in the DOM: Navigation component. (CVE-2026-92069)
Information disclosure in the Networking component. (CVE-2026-92070)
Incorrect boundary conditions in the Safe Browsing component.
(CVE-2026-92072)
Privilege escalation in the Enterprise Policies component.
(CVE-2026-92073)
Mitigation bypass in the Popup Blocker component. (CVE-2026-92074)
Mitigation bypass in the Networking component. (CVE-2026-92075)
Incorrect boundary conditions in the Networking component.
(CVE-2026-92076)
Denial-of-service in the SVG component. (CVE-2026-92077)
Denial-of-service in the Security component. (CVE-2026-92078)MGASA-2026-0388mageiathunderbird+3Updated thunderbird packages fix security vulnerabilities
Uninitialized memory in MIME parsing. (CVE-2026-84639)
One byte overflow read in mail parser. (CVE-2026-84640)
Information disclosure due to malicious IMAP server response.
(CVE-2026-84641)
Calendar invitation attachments could launch local executables.
(CVE-2026-84637)
Allowed UNC hostnames for attachments interpreted as a regular
expression. (CVE-2026-84642)
Sandbox escape in the Remote Settings Client component. (CVE-2026-75874)
Privilege escalation in the DOM: Workers component. (CVE-2026-16365)
Use-after-free in the JavaScript: GC component. (CVE-2026-84118)
Sandbox escape due to use-after-free in the DOM: Navigation component.
(CVE-2026-84119)
Use-after-free in the Audio/Video component. (CVE-2026-84120)
Sandbox escape due to use-after-free in the DOM: Security component.
(CVE-2026-84121)
Use-after-free in the Audio/Video component. (CVE-2026-84122)
Privilege escalation due to use-after-free in the Graphics: WebGPU
component. (CVE-2026-84123)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-84124)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-84125)
Privilege escalation in the DOM: Navigation component. (CVE-2026-16371)
Privilege escalation in the Application Update component.
(CVE-2026-74952)
Site isolation issue in the DOM: Navigation component. (CVE-2026-84129)
Information disclosure in the Graphics: WebGPU component.
(CVE-2026-84130)
Privilege escalation due to invalid pointer in the Graphics component.
(CVE-2026-84131)
Information disclosure in the Networking: HTTP component.
(CVE-2026-84132)
Site isolation issue in the DOM: Push Subscriptions component.
(CVE-2026-84133)
Other issue in the Profile Backup component. (CVE-2026-84134)
Other issue in the DOM: Navigation component. (CVE-2026-84136)
Spoofing issue in the DOM: Core & HTML component. (CVE-2026-84137)
Clickjacking issue in the DOM: Events component. (CVE-2026-84139)
Site isolation issue in the DOM: Navigation component. (CVE-2026-84140)
Integer overflow in the Graphics: ImageLib component. (CVE-2026-84141)
Internally found bugs fixed in Thunderbird 155, Thunderbird ESR 153.2
and Thunderbird ESR 140.15. (CVE-2026-84143)
Internally found bugs fixed in Thunderbird 155 and Thunderbird ESR
153.2. (CVE-2026-84144)
Internally found bugs fixed in Thunderbird 155, Thunderbird ESR 153.2
and Thunderbird ESR 140.15. (CVE-2026-84145)MGASA-2026-0346mageiathunderbird+3Updated thunderbird packages fix security vulnerabilities
Site isolation issue in the Graphics: CanvasWebGL component.
(CVE-2026-74934)
Privilege escalation in the DOM: Networking component. (CVE-2026-74935)
Use-after-free in the JavaScript: WebAssembly component.
(CVE-2026-74936)
Use-after-free in the JavaScript: GC component. (CVE-2026-74937)
Mitigation bypass in the JavaScript: GC component. (CVE-2026-74938)
Privilege escalation in the DOM: Navigation component. (CVE-2026-74939)
Use-after-free in the Graphics: Text component. (CVE-2026-74940)
Privilege escalation in the Graphics: CanvasWebGL component.
(CVE-2026-74941)
Privilege escalation in the Remote Settings Client component.
(CVE-2026-74942)
Use-after-free in the Graphics: ImageLib component. (CVE-2026-74943)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-74944)
Information disclosure in the Graphics: Text component. (CVE-2026-74945)
Privilege escalation due to incorrect boundary conditions in the
Graphics: CanvasWebGL component. (CVE-2026-74946)
Privilege escalation due to invalid pointer in the Graphics component.
(CVE-2026-74947)
Information disclosure in the Graphics component. (CVE-2026-74948)
Privilege escalation in the Downloads API component. (CVE-2026-74950)
Privilege escalation in the Networking: Cookies component.
(CVE-2026-74953)
Information disclosure due to side-channel in the Storage: Cache API
component. (CVE-2026-74954)
Privilege escalation in the Request Handling component. (CVE-2026-74955)
Same-origin policy bypass in the DOM: Service Workers component.
(CVE-2026-74956)
Mitigation bypass in the Safe Browsing component. (CVE-2026-74957)
Information disclosure in the WebRTC component. (CVE-2026-74958)
Mitigation bypass in the Storage: Cache API component. (CVE-2026-74959)
Site isolation issue in the WebExtensions component. (CVE-2026-74960)
Side-channel in the Web Audio component. (CVE-2026-74961)
Site isolation issue in the Networking: Cookies component.
(CVE-2026-74962)
Same-origin policy bypass in the Networking: Cookies component.
(CVE-2026-74963)
Integer overflow in the Graphics component. (CVE-2026-74964)
Privilege escalation in the Shell Integration component.
(CVE-2026-74965)
Information disclosure in the Form Autofill component. (CVE-2026-74966)
Same-origin policy bypass in the Audio/Video: Playback component.
(CVE-2026-74967)
Site isolation issue in the Graphics: WebRender component.
(CVE-2026-74968)
Use-after-free in the Layout: Text and Fonts component. (CVE-2026-74969)
Site isolation issue in the Graphics component. (CVE-2026-74970)
Information disclosure in the DOM: UI Events & Focus Handling component.
(CVE-2026-74971)
Information disclosure in the DOM: Push Subscriptions component.
(CVE-2026-74972)
Use-after-free in the Graphics: Canvas2D component. (CVE-2026-74949)
Race condition, use-after-free in the Graphics component.
(CVE-2026-74973)
Same-origin policy bypass in the Graphics: ImageLib component.
(CVE-2026-74974)
JIT miscompilation in the JavaScript Engine: JIT component.
(CVE-2026-74976)
Integer overflow in the Graphics component. (CVE-2026-74977)
Clickjacking issue in the Widget component. (CVE-2026-74978)
Mitigation bypass in the Add-ons Manager component. (CVE-2026-74979)
Site isolation issue in the Audio/Video: Web Codecs component.
(CVE-2026-74981)
Denial-of-service in the Widget component. (CVE-2026-74982)
Mitigation bypass in the Data Loss Prevention component.
(CVE-2026-74983)
Race condition in the JavaScript Engine component. (CVE-2026-74984)
Privilege escalation in the Enterprise Policies component.
(CVE-2026-74985)
Site isolation issue in the CSS Parsing and Computation component.
(CVE-2026-74986)
Internally found bugs fixed in Thunderbird ESR 140.14,
Thunderbird ESR 153.1 and Thunderbird 154. (CVE-2026-74987)
Internally found bugs fixed in Thunderbird ESR 153.1 and Thunderbird 154
(CVE-2026-74988)
Internally found bugs fixed in Thunderbird ESR 140.14,
Thunderbird ESR 153.1 and Thunderbird 154. (CVE-2026-74990)MGASA-2026-0326mageiathunderbird+3Updated thunderbird packages fix security vulnerabilities
Updated thunderbird packages fix various security issues. See the
links to get complete information of each issue.MGASA-2026-0243mageiathunderbird+3Updated thunderbird thunderbird-l10n packages fix security vulnerabilities
The updated packages fix security vulnerabilities:
Privilege escalation in the Graphics: WebRender component.
(CVE-2026-12289)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12290)
Use-after-free in the Networking: HTTP component. (CVE-2026-12291)
Incorrect boundary conditions in the Web Audio component.
(CVE-2026-12292)
Sandbox escape in the DOM: Workers component. (CVE-2026-12294)
Sandbox escape in the DOM: Navigation component. (CVE-2026-12295)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12298)
Sandbox escape in the Security: Process Sandboxing component.
(CVE-2026-12296)
Sandbox escape due to incorrect boundary conditions in the Networking
component. (CVE-2026-12297)
JIT miscompilation in the DOM: Core & HTML component. (CVE-2026-12299)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12329)
Mitigation bypass in the DOM: Security component. (CVE-2026-12302)
Same-origin policy bypass in the Networking: Cookies component.
(CVE-2026-12304)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12305)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12306)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12307)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12308)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12309)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12310)
Information disclosure, sandbox escape in the Security: Process
Sandboxing component. (CVE-2026-12311)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12312)
Information disclosure, sandbox escape in the Security: Process
Sandboxing component. (CVE-2026-12313)
Memory safety bug fixed in Thunderbird ESR 140.12. (CVE-2026-12314)
Mitigation bypass in the DOM: Security component. (CVE-2026-12315)
Incorrect boundary conditions in the Internationalization component.
(CVE-2026-12330)
Incorrect boundary conditions in the Graphics: CanvasWebGL component.
(CVE-2026-12324)
Denial-of-service in the Graphics: ImageLib component. (CVE-2026-12325)
Memory safety bugs fixed in Firefox ESR 140.12, Thunderbird ESR 140.12,
Firefox 152 and Thunderbird 152. (CVE-2026-12327)
Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12,
Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152.
(CVE-2026-12328)
Denial-of-service via malicious LDAP address-book server.
(CVE-2026-57962)
Chat UI manipulation by injection. (CVE-2026-57963)MGASA-2026-0164mageiathunderbird+1Updated thunderbird(-l10n) packages fix security vulnerabilities
The updated packages fix security vulnerabilities:
Incorrect boundary conditions in the Audio/Video: Web Codecs component.
(CVE-2026-8946)
Incorrect boundary conditions in the JavaScript Engine: JIT component.
(CVE-2026-8388)
Use-after-free in the DOM: Bindings (WebIDL) component. (CVE-2026-8947)
Other issue in the JavaScript Engine component. (CVE-2026-8391)
Sandbox escape in the Profile Backup component. (CVE-2026-8401)
Same-origin policy bypass in the Networking: HTTP component.
(CVE-2026-8950)
Sandbox escape due to use-after-free in the Disability Access APIs
component. (CVE-2026-8953)
Incorrect boundary conditions, integer overflow in the Audio/Video
component. (CVE-2026-8954)
Privilege escalation in the DOM: Workers component. (CVE-2026-8955)
Integer overflow in the Networking: JAR component. (CVE-2026-8956)
Privilege escalation in the Enterprise Policies component.
(CVE-2026-8957)
Information disclosure, sandbox escape in the Security: Process
Sandboxing component. (CVE-2026-8958)
Spoofing issue in the Form Autofill component. (CVE-2026-8961)
Mitigation bypass in the DOM: Security component. (CVE-2026-8962)
Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs
component. (CVE-2026-8968)
Privilege escalation in the Security component. (CVE-2026-8970)
Memory safety bugs fixed in Thunderbird 140.11 and Thunderbird 151.
(CVE-2026-8974)
Memory safety bugs fixed in Thunderbird 140.11 and Thunderbird 151.
(CVE-2026-8975)