Every CVESearch/Get API key

CVE-2021-30623

Use after free in Bookmarks in Google Chrome prior to 93.0.4577.63 allowed an attacker who...

8.8 HighFix available

Chromium: CVE-2021-30623 Use after free in Bookmarks

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

3.97%Up 3.3 points since Sep 4, 2021
90%50%10%1%

What each source reports

NVD Score used8.8

Chromium: CVE-2021-30623 Use after free in Bookmarks

Record
CVE-2021-30623
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-416
Updated
2026-11-02
CVE ListNo score

Chromium: CVE-2021-30623 Use after free in Bookmarks

Record
CVE-2021-30623
Updated
2026-11-02
EUVDEUVD-2021-17543No score

Chromium: CVE-2021-30623 Use after free in Bookmarks

Record
EUVD-2021-17543
Updated
2026-11-03
GitHub AdvisoriesGHSA-8p9p-333g-f2ccNo score

Use after free in Bookmarks in Google Chrome prior to 93.0.4577.63 allowed an attacker who...

Use after free in Bookmarks in Google Chrome prior to 93.0.4577.63 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.

Record
GHSA-8p9p-333g-f2cc
Weakness
CWE-416
Updated
2026-11-02
OSVALPINE-CVE-2021-306238.8

Chromium: CVE-2021-30623 Use after free in Bookmarks

Record
ALPINE-CVE-2021-30623
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSV8.8

Chromium: CVE-2021-30623 Use after free in Bookmarks

Record
CVE-2021-30623
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 8 moreShow less
OSVDEBIAN-CVE-2021-306238.8

Chromium: CVE-2021-30623 Use after free in Bookmarks

Record
DEBIAN-CVE-2021-30623
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2021-306238.8

Chromium: CVE-2021-30623 Use after free in Bookmarks

Record
UBUNTU-CVE-2021-30623
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2021:1300-1No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium 93.0.4577.63 (boo#1190096):

  • CVE-2021-30606: Use after free in Blink
  • CVE-2021-30607: Use after free in Permissions
  • CVE-2021-30608: Use after free in Web Share
  • CVE-2021-30609: Use after free in Sign-In
  • CVE-2021-30610: Use after free in Extensions API
  • CVE-2021-30611: Use after free in WebRTC
  • CVE-2021-30612: Use after free in WebRTC
  • CVE-2021-30613: Use after free in Base internals
  • CVE-2021-30614: Heap buffer overflow in TabStrip
  • CVE-2021-30615: Cross-origin data leak in Navigation
  • CVE-2021-30616: Use after free in Media
  • CVE-2021-30617: Policy bypass in Blink
  • CVE-2021-30618: Inappropriate implementation in DevTools
  • CVE-2021-30619: UI Spoofing in Autofill
  • CVE-2021-30620: Insufficient policy enforcement in Blink
  • CVE-2021-30621: UI Spoofing in Autofill
  • CVE-2021-30622: Use after free in WebApp Installs
  • CVE-2021-30623: Use after free in Bookmarks
  • CVE-2021-30624: Use after free in Autofill

Chromium 93.0.4577.82 (boo#1190476):

  • CVE-2021-30625: Use after free in Selection API
  • CVE-2021-30626: Out of bounds memory access in ANGLE
  • CVE-2021-30627: Type Confusion in Blink layout
  • CVE-2021-30628: Stack buffer overflow in ANGLE
  • CVE-2021-30629: Use after free in Permissions
  • CVE-2021-30630: Inappropriate implementation in Blink
  • CVE-2021-30631: Type Confusion in Blink layout
  • CVE-2021-30632: Out of bounds write in V8
  • CVE-2021-30633: Use after free in Indexed DB API
Record
openSUSE-SU-2021:1300-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:1303-1No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium 93.0.4577.63 (boo#1190096):

  • CVE-2021-30606: Use after free in Blink
  • CVE-2021-30607: Use after free in Permissions
  • CVE-2021-30608: Use after free in Web Share
  • CVE-2021-30609: Use after free in Sign-In
  • CVE-2021-30610: Use after free in Extensions API
  • CVE-2021-30611: Use after free in WebRTC
  • CVE-2021-30612: Use after free in WebRTC
  • CVE-2021-30613: Use after free in Base internals
  • CVE-2021-30614: Heap buffer overflow in TabStrip
  • CVE-2021-30615: Cross-origin data leak in Navigation
  • CVE-2021-30616: Use after free in Media
  • CVE-2021-30617: Policy bypass in Blink
  • CVE-2021-30618: Inappropriate implementation in DevTools
  • CVE-2021-30619: UI Spoofing in Autofill
  • CVE-2021-30620: Insufficient policy enforcement in Blink
  • CVE-2021-30621: UI Spoofing in Autofill
  • CVE-2021-30622: Use after free in WebApp Installs
  • CVE-2021-30623: Use after free in Bookmarks
  • CVE-2021-30624: Use after free in Autofill

Chromium 93.0.4577.82 (boo#1190476):

  • CVE-2021-30625: Use after free in Selection API
  • CVE-2021-30626: Out of bounds memory access in ANGLE
  • CVE-2021-30627: Type Confusion in Blink layout
  • CVE-2021-30628: Stack buffer overflow in ANGLE
  • CVE-2021-30629: Use after free in Permissions
  • CVE-2021-30630: Inappropriate implementation in Blink
  • CVE-2021-30631: Type Confusion in Blink layout
  • CVE-2021-30632: Out of bounds write in V8
  • CVE-2021-30633: Use after free in Indexed DB API
Record
openSUSE-SU-2021:1303-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:1310-1No score

Security update for opera

This update for opera fixes the following issues:

opera was updated to version 79.0.4143.22

  • CHR-8550 Update chromium on desktop-stable-93-4143 to 93.0.4577.58

  • CHR-8557 Update chromium on desktop-stable-93-4143 to 93.0.4577.63

  • DNA-94641 [Linux] Proprietary media codecs not working in snap builds

  • DNA-95076 [Linux] Page crash with media content

  • DNA-95084 [Mac] Cannot quit through menu with snapshot editor open

  • DNA-95138 Add setting to synchronize Pinboards

  • DNA-95157 Crash at -[OperaCrApplication sendEvent:]

  • DNA-95204 Opera 79 translations

  • DNA-95240 The pinboard thumbnail cannot be generated anymore

  • DNA-95278 Existing Pinboards might be missing

  • DNA-95292 Enable #bookmarks-trash-cleaner on all streams

  • DNA-95293 Enable #easy-files-downloads-folder on all streams

  • DNA-95383 Promote O79 to stable

  • Complete Opera 79.0 changelog at: https://blogs.opera.com/desktop/changelog-for-79/

  • The update to chromium 93.0.4577.58 fixes following issues: CVE-2021-30606, CVE-2021-30607, CVE-2021-30608, CVE-2021-30609, CVE-2021-30610, CVE-2021-30611, CVE-2021-30612, CVE-2021-30613, CVE-2021-30614, CVE-2021-30615, CVE-2021-30616, CVE-2021-30617, CVE-2021-30618, CVE-2021-30619, CVE-2021-30620, CVE-2021-30621, CVE-2021-30622, CVE-2021-30623, CVE-2021-30624

Record
openSUSE-SU-2021:1310-1
Updated
2026-11-02
OSVopenSUSE-SU-2022:0110-1No score

Security update for opera

This update for opera fixes the following issues:

Update to 85.0.4341.28

  • CHR-8816 Update chromium on desktop-stable-99-4341 to 99.0.4844.84

  • DNA-98092 Crash at views::MenuItemView::GetMenuController()

  • DNA-98278 Translations for O85

  • DNA-98320 [Mac] Unable to delete recent search entries

  • DNA-98614 Show recent searches for non-BABE users

  • DNA-98615 Allow removal of recent searches

  • DNA-98616 Add recent searches to ‘old’ BABE

  • DNA-98617 Make it possible to disable ad-blocker per-country

  • DNA-98651 Remove Instagram and Facebook Messenger in Russia

  • DNA-98653 Add flag #recent-searches

  • DNA-98696 smoketest PageInfoHistoryDataSourceTest.FormatTimestampString failing

  • DNA-98703 Port Chromium issue 1309225 to Opera Stable

  • The update to chromium 99.0.4844.84 fixes following issues:
    CVE-2022-1096

  • Changes in 85.0.4341.18

    • CHR-8789 Update chromium on desktop-stable-99-4341 to 99.0.4844.51
    • DNA-98059 [Linux] Crash at opera::FreedomSettingsImpl::IsBypassForDotlessDomainsEnabled
    • DNA-98349 [Linux] Crash at bluez::BluezDBusManager::Get()
    • DNA-98126 System crash dialog shown on macOS <= 10.15
    • DNA-98331 [Snap] Meme generator cropping / resizing broken
    • DNA-98394 Audio tab indicator set to 'muted' on videoconferencing sites
    • DNA-98481 Report errors in opauto_collector

  • The update to chromium 99.0.4844.51 fixes following issues: CVE-2022-0789, CVE-2022-0790, CVE-2022-0791, CVE-2022-0792, CVE-2022-0793, CVE-2022-0794, CVE-2022-0795, CVE-2022-0796, CVE-2022-0797, CVE-2022-0798, CVE-2022-0799, CVE-2022-0800, CVE-2022-0801, CVE-2022-0802, CVE-2022-0803, CVE-2022-0804, CVE-2022-0805, CVE-2022-0806, CVE-2022-0807, CVE-2022-0808, CVE-2022-0809

  • Changes in 85.0.4341.13

    • DNA-94119 Upgrade curl to 7.81.0
    • DNA-97849 [Mac monterey] System shortcut interfere with Opera’s ToggleSearchInOpenTabs shortcut
    • DNA-98204 Automatic popout happens when video is paused
    • DNA-98231 Shortcuts are blocked by displayed tab tooltip when triggered quickly after tooltip appears
    • DNA-98321 Add thinlto-cache warnings to suppression list
    • DNA-98395 Promote O85 to stable

  • Complete Opera 85.0 changelog at: https://blogs.opera.com/desktop/changelog-for-85/

  • Update to 84.0.4316.42

    • DNA-94119 Upgrade curl to 7.81.0
    • DNA-98092 Crash at views::MenuItemView::GetMenuController()
    • DNA-98204 Automatic popout happens when video is paused
    • DNA-98231 Shortcuts are blocked by displayed tab tooltip when triggered quickly after tooltip appears

  • Update to 84.0.4316.31

    • CHR-8772 Update chromium on desktop-stable-98-4316 to 98.0.4758.109
    • DNA-97573 [Win][Lin]”Close tab” button is not displayed on tabs playing media when many tabs are open
    • DNA-97729 cancelling the process uploading custom Wallpaper crashes the browser
    • DNA-97871 Google meet tab’s icons don’t fit on pinned tab
    • DNA-97872 Tab is being unpinned when video conferencing button is clicked
    • DNA-98039 Dark theme top sites have black background
    • DNA-98117 Clicking current tab information should hide tooltip

  • Update to 84.0.4316.21

    • CHR-8762 Update chromium on desktop-stable-98-4316 to 98.0.4758.102
    • DNA-97333 ‘Add a site’ label on start page tile barely visible
    • DNA-97691 Opera 84 translations
    • DNA-97767 Wrong string in FR
    • DNA-97855 Crash at ScopedProfileKeepAlive::~ScopedProfileKeepAlive()
    • DNA-97982 Enable #snap-upstream-implementation on all streams

  • The update to chromium 98.0.4758.102 fixes following issues: CVE-2022-0603, CVE-2022-0604, CVE-2022-0605, CVE-2022-0606, CVE-2022-0607, CVE-2022-0608, CVE-2022-0609, CVE-2022-0610

  • Update to 84.0.4316.14

    • CHR-8753 Update chromium on desktop-stable-98-4316 to 98.0.4758.82
    • DNA-97177 Battery saver – the icon looks bad for DPI!=100%
    • DNA-97614 automatic video pop-out for most popular websites broadcasting Winter Olympic Games…
Record
openSUSE-SU-2022:0110-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10681-1No score

chromedriver-93.0.4577.82-1.1 on GA media

These are all security issues fixed in the chromedriver-93.0.4577.82-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10681-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:12948-1No score

ungoogled-chromium-113.0.5672.92-1.1 on GA media

These are all security issues fixed in the ungoogled-chromium-113.0.5672.92-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12948-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
chromium
Alpine:v3.14
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Alpine:v3.15
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Alpine:v3.16
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Alpine:v3.17
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Alpine:v3.18
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Alpine:v3.19
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Alpine:v3.20
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Alpine:v3.21
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Alpine:v3.22
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Alpine:v3.23
before 93.0.4577.63-r0
93.0.4577.63-r0
Show 13 moreShow less
Affected packages
PackageAffectedFixed
chromium
Alpine:v3.24
before 93.0.4577.63-r0
93.0.4577.63-r0
chromium
Debian:12
before 93.0.4577.82-1
93.0.4577.82-1
chromium
Debian:13
before 93.0.4577.82-1
93.0.4577.82-1
chromium
Debian:14
before 93.0.4577.82-1
93.0.4577.82-1
chromium-browser
Ubuntu:18.04:LTS
before 93.0.4577.63-0ubuntu0.18.04.1, plus listed versions
61.0.3163.100-0ubuntu1.137862.0.3202.62-0ubuntu0.17.10.138062.0.3202.89-0ubuntu1.138662.0.3202.94-0ubuntu1.138863.0.3239.84-0ubuntu1
Show 45 moreShow less
63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.168.0.3440.75-0ubuntu0.18.04.168.0.3440.106-0ubuntu0.18.04.169.0.3497.81-0ubuntu0.18.04.170.0.3538.67-0ubuntu0.18.04.170.0.3538.77-0ubuntu0.18.04.170.0.3538.110-0ubuntu0.18.04.171.0.3578.80-0ubuntu0.18.04.171.0.3578.98-0ubuntu0.18.04.172.0.3626.119-0ubuntu0.18.04.172.0.3626.121-0ubuntu0.18.04.173.0.3683.75-0ubuntu0.18.04.173.0.3683.86-0ubuntu0.18.04.174.0.3729.169-0ubuntu0.18.04.175.0.3770.90-0ubuntu0.18.04.175.0.3770.142-0ubuntu0.18.04.176.0.3809.87-0ubuntu0.18.04.176.0.3809.100-0ubuntu0.18.04.177.0.3865.90-0ubuntu0.18.04.178.0.3904.70-0ubuntu0.18.04.278.0.3904.97-0ubuntu0.18.04.178.0.3904.108-0ubuntu0.18.04.179.0.3945.79-0ubuntu0.18.04.179.0.3945.130-0ubuntu0.18.04.180.0.3987.87-0ubuntu0.18.04.180.0.3987.149-0ubuntu0.18.04.180.0.3987.163-0ubuntu0.18.04.181.0.4044.122-0ubuntu0.18.04.181.0.4044.138-0ubuntu0.18.04.183.0.4103.61-0ubuntu0.18.04.184.0.4147.105-0ubuntu0.18.04.185.0.4183.83-0ubuntu0.18.04.285.0.4183.121-0ubuntu0.18.04.186.0.4240.75-0ubuntu0.18.04.186.0.4240.198-0ubuntu0.18.04.187.0.4280.66-0ubuntu0.18.04.189.0.4389.82-0ubuntu0.18.04.1
93.0.4577.63-0ubuntu0.18.04.1
chromium
SUSE:Package Hub 15 SP3
From an advisory covering 28 CVEs
before 93.0.4577.82-bp153.2.28.1
93.0.4577.82-bp153.2.28.1
chromium
openSUSE:Leap 15.3
From an advisory covering 28 CVEs
before 93.0.4577.82-bp153.2.28.1
93.0.4577.82-bp153.2.28.1
chromium
openSUSE:Leap 15.2
From an advisory covering 28 CVEs
before 93.0.4577.82-lp152.2.125.1
93.0.4577.82-lp152.2.125.1
opera
openSUSE:Leap 15.2 NonFree
From an advisory covering 19 CVEs
before 79.0.4143.22-lp153.2.18.1
79.0.4143.22-lp153.2.18.1
opera
openSUSE:Leap 15.3 NonFree
From an advisory covering 19 CVEs
before 79.0.4143.22-lp153.2.18.1
79.0.4143.22-lp153.2.18.1
opera
openSUSE:Leap 15.4 NonFree
From an advisory covering 241 CVEs
before 85.0.4341.28-lp154.2.5.1
85.0.4341.28-lp154.2.5.1
chromium
openSUSE:Tumbleweed
From an advisory covering 1081 CVEs
before 93.0.4577.82-1.1
93.0.4577.82-1.1
chromium
openSUSE:Tumbleweed
From an advisory covering 2310 CVEs
before 113.0.5672.92-1.1
113.0.5672.92-1.1

History

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

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

In short

CVE-2021-30623 is a high vulnerability (CVSS 8.8) in Fedoraproject Fedora, published September 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.97%, the 90th percentile. Fixed in chromium 93.0.4577.63-r0.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 6 versions, 2,131 references and the rest of 1 source description. The JSON record has them.

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