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Vulnerability details: VCID-3fdd-4w8j-uqgn
Vulnerability ID VCID-3fdd-4w8j-uqgn
Aliases CVE-2024-7255
Summary Out of bounds read in WebTransport in Google Chrome prior to 127.0.6533.88 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
epss 0.00195 https://api.first.org/data/v1/epss?cve=CVE-2024-7255
cvssv3.1 8.8 https://chromereleases.googleblog.com/2024/07/stable-channel-update-for-desktop_30.html
ssvc Track https://chromereleases.googleblog.com/2024/07/stable-channel-update-for-desktop_30.html
cvssv3.1 8.8 https://issues.chromium.org/issues/352872238
ssvc Track https://issues.chromium.org/issues/352872238
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2024-7255
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2024-7255
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7255
352872238 https://issues.chromium.org/issues/352872238
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
CVE-2024-7255 https://nvd.nist.gov/vuln/detail/CVE-2024-7255
stable-channel-update-for-desktop_30.html https://chromereleases.googleblog.com/2024/07/stable-channel-update-for-desktop_30.html
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://chromereleases.googleblog.com/2024/07/stable-channel-update-for-desktop_30.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-02T14:44:45Z/ Found at https://chromereleases.googleblog.com/2024/07/stable-channel-update-for-desktop_30.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://issues.chromium.org/issues/352872238
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-02T14:44:45Z/ Found at https://issues.chromium.org/issues/352872238
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2024-7255
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.41857
EPSS Score 0.00195
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:02:45.075066+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2024/7xxx/CVE-2024-7255.json 37.0.0