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CVE-2018-12391

During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across...

8.8 High

During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. Because the problem is in the underlying Android service, this issue is addressed by treating all HLS streams as cross-origin and opaque to access. Note: this issue only affects Firefox for Android. Desktop versions of Firefox are unaffected.. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.09%Up 1.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. Because the problem is in the underlying Android service, this issue is addressed by treating all HLS streams as cross-origin and opaque to access. Note: this issue only affects Firefox for Android. Desktop versions of Firefox are unaffected.. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

Record
CVE-2018-12391
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-863
Updated
2026-11-02
CVE List No score

During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. Because the problem is in the underlying Android service, this issue is addressed by treating all HLS streams as cross-origin and opaque to access. Note: this issue only affects Firefox for Android. Desktop versions of Firefox are unaffected.. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

Record
CVE-2018-12391
Updated
2026-11-02
EUVDEUVD-2018-4365 No score

During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. Because the problem is in the underlying Android service, this issue is addressed by treating all HLS streams as cross-origin and opaque to access. Note: this issue only affects Firefox for Android. Desktop versions of Firefox are unaffected.. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

Record
EUVD-2018-4365
Updated
2026-11-03
GitHub AdvisoriesGHSA-77j4-f249-58h4 8.8

During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across...

During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. Because the problem is in the underlying Android service, this issue is addressed by treating all HLS streams as cross-origin and opaque to access. Note: this issue only affects Firefox for Android. Desktop versions of Firefox are unaffected.. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

Record
GHSA-77j4-f249-58h4
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-863
Updated
2026-11-02
OSVMGASA-2018-0480 No score

Updated thunderbird packages fix security issues & bugs

  • Buffer overflow using computed size of canvas element. (CVE-2018-12359)

  • Use-after-free when using focus(). (CVE-2018-12360)

  • Integer overflow in SwizzleData. (CVE-2018-12361)

  • Integer overflow in SSSE3 scaler. (CVE-2018-12362)

  • Media recorder segmentation fault when track type is changed during capture. (CVE-2018-5156)

  • Use-after-free when appending DOM nodes. (CVE-2018-12363)

  • CSRF attacks through 307 redirects and NPAPI plugins. (CVE-2018-12364)

  • Compromised IPC child process can list local filenames. (CVE-2018-12365)

  • Integer overflow in Skia library during edge builder allocation. (CVE-2018-12371)

  • Invalid data handling during QCMS transformations. (CVE-2018-12366)

  • Timing attack mitigation of PerformanceNavigationTiming. (CVE-2018-12367)

  • No warning when opening executable SettingContent-ms files. (CVE-2018-12368)

  • Memory safety bugs fixed in Firefox 61, Firefox ESR 60.1, and Thunderbird 60. (CVE-2018-5187)

  • Memory safety bugs fixed in Firefox 61, Firefox ESR 60.1, Firefox ESR 52.9, and Thunderbird 60. (CVE-2018-5188)

  • Use-after-free in refresh driver timers. (CVE-2018-12377)

  • Use-after-free in IndexedDB. (CVE-2018-12378)

  • Out-of-bounds write with malicious MAR file. (CVE-2018-12379)

  • Proxy bypass using automount and autofs. (CVE-2017-16541)

  • Crash in TransportSecurityInfo due to cached data. (CVE-2018-12385)

  • Setting a master password post-Firefox 58 does not delete unencrypted previously stored passwords. (CVE-2018-12383)

  • Memory safety bugs fixed in Firefox 62, Firefox ESR 60.2, and Thunderbird 60.2.1. (CVE-2018-12376)

  • HTTP Live Stream audio data is accessible cross-origin. (CVE-2018-12391)

  • Crash with nested event loops. (CVE-2018-12392)

  • Integer overflow during Unicode conversion while loading JavaScript. (CVE-2018-12393)

  • Memory safety bugs fixed in Firefox ESR 60.3 and Thunderbird 60.3. (CVE-2018-12389)

  • Memory safety bugs fixed in Firefox 63, Firefox ESR 60.3, and Thunderbird 60.3. (CVE-2018-12390)

Record
MGASA-2018-0480
Updated
2026-11-02
OSVopenSUSE-SU-2018:3687-1 No score

Security update for MozillaThunderbird

This update for Mozilla Thunderbird to version 60.2.1 fixes multiple issues.

Multiple security issues were fixed in the Mozilla platform as advised in MFSA 2018-25 and MFSA 2018-28. In general, these flaws cannot be exploited through email in Thunderbird because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts:

  • CVE-2018-12359: Prevent buffer overflow using computed size of canvas element (bsc#1098998)
  • CVE-2018-12360: Prevent use-after-free when using focus() (bsc#1098998)
  • CVE-2018-12361: Prevent integer overflow in SwizzleData (bsc#1098998)
  • CVE-2018-12362: Prevent integer overflow in SSSE3 scaler (bsc#1098998)
  • CVE-2018-5156: Prevent media recorder segmentation fault when track type is changed during capture (bsc#1098998)
  • CVE-2018-12363: Prevent use-after-free when appending DOM nodes (bsc#1098998)
  • CVE-2018-12364: Prevent CSRF attacks through 307 redirects and NPAPI plugins (bsc#1098998)
  • CVE-2018-12365: Prevent compromised IPC child process listing local filenames (bsc#1098998)
  • CVE-2018-12371: Prevent integer overflow in Skia library during edge builder allocation (bsc#1098998)
  • CVE-2018-12366: Prevent invalid data handling during QCMS transformations (bsc#1098998)
  • CVE-2018-12367: Timing attack mitigation of PerformanceNavigationTiming (bsc#1098998)
  • CVE-2018-5187: Various memory safety bugs (bsc#1098998)
  • CVE-2018-5188: Various memory safety bugs (bsc#1098998)
  • CVE-2018-12377: Use-after-free in refresh driver timers (bsc#1107343)
  • CVE-2018-12378: Use-after-free in IndexedDB (bsc#1107343)
  • CVE-2017-16541: Proxy bypass using automount and autofs (bsc#1066489)
  • CVE-2018-12376: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2 (bsc#1107343)
  • CVE-2018-12385: Crash in TransportSecurityInfo due to cached data (bsc#1109363)
  • CVE-2018-12383: Setting a master password did not delete unencrypted previously stored passwords (bsc#1107343)
  • CVE-2018-12389: Fixed memory safety bugs (bsc#1112852)
  • CVE-2018-12390: Fixed memory safety bugs (bsc#1112852)
  • CVE-2018-12391: Fixed HTTP Live Stream audio data is accessible cross-origin (bsc#1112852)
  • CVE-2018-12392: Fixed crash with nested event loops (bsc#1112852)
  • CVE-2018-12393: Fixed integer overflow during Unicode conversion while loading JavaScript (bsc#1112852)

These non-security issues were fixed:

  • Fix date display issues (bsc#1109379)
  • Fix start-up crash due to folder name with special characters (bsc#1107772)
  • Storing of remote content settings fixed (bsc#1084603)
  • Improved message handling and composing
  • Improved handling of message templates
  • Support for OAuth2 and FIDO U2F
  • Various Calendar improvements
  • Various fixes and changes to e-mail workflow
  • Various IMAP fixes
  • Native desktop notifications
  • various theme fixes
  • Shift+PageUp/PageDown in Write window
  • Gloda attachment filtering
  • Mailing list address auto-complete enter/return handling
  • Thunderbird hung if HTML signature references non-existent image
  • Filters not working for headers that appear more than once
Record
openSUSE-SU-2018:3687-1
Updated
2026-11-02
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OSVopenSUSE-SU-2024:10600-1 No score

MozillaFirefox-92.0-1.2 on GA media

These are all security issues fixed in the MozillaFirefox-92.0-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10600-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10601-1 No score

MozillaThunderbird-91.1.1-1.1 on GA media

These are all security issues fixed in the MozillaThunderbird-91.1.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10601-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:14572-1 No score

firefox-esr-128.5.1-1.1 on GA media

These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:14572-1
Updated
2026-11-02
OSVSUSE-SU-2018:3769-1 No score

Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues:

Thunderbird 63 ESR was updated to version 60.3.0 to fix the following issues (bsc#1112852):

Security issues fixed (MFSA 2018-28):

  • CVE-2018-12389: Fixed memory safety bugs.
  • CVE-2018-12390: Fixed memory safety bugs.
  • CVE-2018-12391: Fixed HTTP Live Stream audio data is accessible cross-origin.
  • CVE-2018-12392: Fixed crash with nested event loops.
  • CVE-2018-12393: Fixed integer overflow during Unicode conversion while loading JavaScript.

Non-security issues fixed:

  • various theme fixes
  • Shift+PageUp/PageDown in Write window
  • Gloda attachment filtering
  • Mailing list address auto-complete enter/return handling
  • Thunderbird hung if HTML signature references non-existent image
  • Filters not working for headers that appear more than once
  • Update _constraints for armv6/7
  • Add memory-constraints to avoid OOM errors
Record
SUSE-SU-2018:3769-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
thunderbird
Mageia:6
From an advisory covering 26 CVEs
before 60.3.3-3.mga6
60.3.3-3.mga6
thunderbird-l10n
Mageia:6
From an advisory covering 26 CVEs
before 60.3.3-1.mga6
60.3.3-1.mga6
MozillaThunderbird
SUSE:Linux Enterprise Workstation Extension 15
From an advisory covering 5 CVEs
before 60.3.0-3.17.2
60.3.0-3.17.2
MozillaThunderbird
SUSE:Package Hub 12
From an advisory covering 25 CVEs
before 60.3.0-74.2
60.3.0-74.2
MozillaFirefox
openSUSE:Tumbleweed
From an advisory covering 661 CVEs
before 92.0-1.2
92.0-1.2
MozillaThunderbird
openSUSE:Tumbleweed
From an advisory covering 394 CVEs
before 91.1.1-1.1
91.1.1-1.1
firefox-esr
openSUSE:Tumbleweed
From an advisory covering 1860 CVEs
before 128.5.1-1.1
128.5.1-1.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-12391 is a high vulnerability (CVSS 8.8) in Mozilla Firefox, published November 9, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.09%, the 81st percentile. No source names a fixed version.

References

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