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CVE-2025-12433

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote...

4.3 MediumPublic exploitFix available

CVE-2025-12433 is a medium vulnerability (CVSS 4.3) in Google Chrome, published October 30, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. Fixed in qt6-qtwebengine 6.8.3-r6.

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

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
Low
Integrity
None
Availability
None

Exploit likelihood

0.30%Up 0.3 points since Nov 11, 2025
90%50%10%1%

What each source reports

CVE List Score used 4.3

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Record
CVE-2025-12433
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
EUVDEUVD-2025-50799 4.3

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Record
EUVD-2025-50799
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-68h7-pm4h-c96m 4.3

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote...

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Record
GHSA-68h7-pm4h-c96m
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
NVD 4.3

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Record
CVE-2025-12433
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVALPINE-CVE-2025-12433 4.3

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Record
ALPINE-CVE-2025-12433
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-03
OSV 4.3

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Record
CVE-2025-12433
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
Show 4 moreShow less
OSVDEBIAN-CVE-2025-12433 4.3

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Record
DEBIAN-CVE-2025-12433
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVAZL-70393 No score

CVE-2025-12433 affecting package nodejs18 18.20.3-11

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Record
AZL-70393
Updated
2026-11-02
OSVopenSUSE-SU-2025:15687-1 No score

chromedriver-142.0.7444.59-2.1 on GA media

These are all security issues fixed in the chromedriver-142.0.7444.59-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:15687-1
Updated
2026-11-02
OSVopenSUSE-SU-2025:20076-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Changes in chromium:

Chromium 142.0.7444.175 (boo#1253698):

  • CVE-2025-13223: Type Confusion in V8
  • CVE-2025-13224: Type Confusion in V8

Chromium 142.0.7444.162 (boo#1253267):

  • CVE-2025-13042: Inappropriate implementation in V8

Chromium 142.0.7444.134 (boo#1253089):

  • CVE-2025-12725: Out of bounds write in WebGPU
  • CVE-2025-12726: Inappropriate implementation in Views
  • CVE-2025-12727: Inappropriate implementation in V8
  • CVE-2025-12728: Inappropriate implementation in Omnibox
  • CVE-2025-12729: Inappropriate implementation in Omnibox

Chromium 142.0.7444.59, the stable channel promotion of 142.

Security fixes (boo#1252881):

  • CVE-2025-12428: Type Confusion in V8
  • CVE-2025-12429: Inappropriate implementation in V8
  • CVE-2025-12430: Object lifecycle issue in Media
  • CVE-2025-12431: Inappropriate implementation in Extensions
  • CVE-2025-12432: Race in V8
  • CVE-2025-12433: Inappropriate implementation in V8
  • CVE-2025-12434: Race in Storage
  • CVE-2025-12435: Incorrect security UI in Omnibox
  • CVE-2025-12436: Policy bypass in Extensions
  • CVE-2025-12437: Use after free in PageInfo
  • CVE-2025-12438: Use after free in Ozone
  • CVE-2025-12439: Inappropriate implementation in App-Bound Encryption
  • CVE-2025-12440: Inappropriate implementation in Autofill
  • CVE-2025-12441: Out of bounds read in V8
  • CVE-2025-12443: Out of bounds read in WebXR
  • CVE-2025-12444: Incorrect security UI in Fullscreen UI
  • CVE-2025-12445: Policy bypass in Extensions
  • CVE-2025-12446: Incorrect security UI in SplitView
  • CVE-2025-12447: Incorrect security UI in Omnibox
Record
openSUSE-SU-2025:20076-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
qt6-qtwebengine
Alpine:v3.22
 before 6.8.3-r6
6.8.3-r6
qt6-qtwebengine
Alpine:v3.23
 before 6.10.0-r1
6.10.0-r1
qt6-qtwebengine
Alpine:v3.24
 before 6.10.0-r1
6.10.0-r1
nodejs18
Azure Linux:2
 through 18.20.3-11 None known
chromium
Debian:12
 before 142.0.7444.59-1~deb12u1, plus listed versions
113.0.5672.126-1114.0.5735.106-1114.0.5735.106-1~deb11u1114.0.5735.106-1~deb12u1114.0.5735.133-1
Show 45 moreShow less
114.0.5735.133-1~deb11u1114.0.5735.133-1~deb12u1114.0.5735.198-1114.0.5735.198-1~deb11u1114.0.5735.198-1~deb12u1114.0.5735.90-1114.0.5735.90-2114.0.5735.90-2~deb11u1114.0.5735.90-2~deb12u1115.0.5790.102-1115.0.5790.102-2115.0.5790.170-1115.0.5790.170-1~deb11u1115.0.5790.170-1~deb12u1115.0.5790.98-1115.0.5790.98-1~deb11u1115.0.5790.98-1~deb12u1115.0.5790.98-2116.0.5845.110-1116.0.5845.110-1~deb11u1116.0.5845.110-1~deb12u1116.0.5845.110-2116.0.5845.140-1116.0.5845.140-1~deb11u1116.0.5845.140-1~deb12u1116.0.5845.180-1116.0.5845.180-1~deb11u1116.0.5845.180-1~deb12u1116.0.5845.96-1116.0.5845.96-1~deb11u1116.0.5845.96-1~deb12u1116.0.5845.96-2117.0.5938.132-1117.0.5938.132-1~deb11u1117.0.5938.132-1~deb12u1117.0.5938.132-2117.0.5938.149-1117.0.5938.149-1~deb11u1117.0.5938.149-1~deb12u1117.0.5938.62-1117.0.5938.62-1~deb11u1117.0.5938.62-1~deb12u1117.0.5938.92-1118.0.5993.117-1118.0.5993.117-1~deb11u1
142.0.7444.59-1~deb12u1
chromium
Debian:13
 before 142.0.7444.59-1~deb13u1, plus listed versions
138.0.7204.183-1139.0.7258.127-1139.0.7258.127-1~deb12u1139.0.7258.127-1~deb13u1139.0.7258.127-2
Show 33 moreShow less
139.0.7258.138-1139.0.7258.138-1~deb12u1139.0.7258.138-1~deb13u1139.0.7258.154-1139.0.7258.154-1~deb12u1139.0.7258.154-1~deb13u1139.0.7258.66-1139.0.7258.66-1~deb12u1140.0.7339.127-1140.0.7339.127-1~deb12u1140.0.7339.127-1~deb13u1140.0.7339.185-1140.0.7339.185-1~deb12u1140.0.7339.185-1~deb13u1140.0.7339.207-1140.0.7339.207-1~deb12u1140.0.7339.207-1~deb13u1140.0.7339.80-1140.0.7339.80-1~deb12u1140.0.7339.80-1~deb13u1141.0.7390.107-1141.0.7390.107-1~deb12u1141.0.7390.107-1~deb13u1141.0.7390.122-1141.0.7390.122-1~deb12u1141.0.7390.122-1~deb13u1141.0.7390.54-1141.0.7390.54-1~deb12u1141.0.7390.54-1~deb13u1141.0.7390.65-1141.0.7390.65-1~deb12u1141.0.7390.65-1~deb13u1142.0.7444.59-1~deb12u1
142.0.7444.59-1~deb13u1
chromium
Debian:14
 before 142.0.7444.59-1, plus listed versions
138.0.7204.183-1139.0.7258.127-1139.0.7258.127-1~deb12u1139.0.7258.127-1~deb13u1139.0.7258.127-2
Show 34 moreShow less
139.0.7258.138-1139.0.7258.138-1~deb12u1139.0.7258.138-1~deb13u1139.0.7258.154-1139.0.7258.154-1~deb12u1139.0.7258.154-1~deb13u1139.0.7258.66-1139.0.7258.66-1~deb12u1140.0.7339.127-1140.0.7339.127-1~deb12u1140.0.7339.127-1~deb13u1140.0.7339.185-1140.0.7339.185-1~deb12u1140.0.7339.185-1~deb13u1140.0.7339.207-1140.0.7339.207-1~deb12u1140.0.7339.207-1~deb13u1140.0.7339.80-1140.0.7339.80-1~deb12u1140.0.7339.80-1~deb13u1141.0.7390.107-1141.0.7390.107-1~deb12u1141.0.7390.107-1~deb13u1141.0.7390.122-1141.0.7390.122-1~deb12u1141.0.7390.122-1~deb13u1141.0.7390.54-1141.0.7390.54-1~deb12u1141.0.7390.54-1~deb13u1141.0.7390.65-1141.0.7390.65-1~deb12u1141.0.7390.65-1~deb13u1142.0.7444.59-1~deb12u1142.0.7444.59-1~deb13u1
142.0.7444.59-1
chromium
openSUSE:Tumbleweed
 before 142.0.7444.59-2.1
142.0.7444.59-2.1
chromium
openSUSE:Leap 16.0
 before 142.0.7444.162-bp160.1.1
142.0.7444.162-bp160.1.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubjamezx32/CVE-2025-124332026-10-14

History

History
WhenChangedSources
2026-11-03affected, aliases, referencesOSV
2026-11-02createdCVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub

References

Show 32 moreShow less
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Left out here: 222 versions. The JSON record has them.

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