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CWE-457

Use of Uninitialized Variable

161 CVEs Avg CVSS 6.3 MITRE
4
CRITICAL
50
HIGH
90
MEDIUM
16
LOW
15
POC
0
KEV

Monthly

CVE-2025-56364 HIGH This Week

Denial of service in the Matter SDK (connectedhomeip) before version 1.4.0 allows remote attackers to crash a Matter device or controller by sending a groupcast InvokeCommand message without an initialized destination group ID. The ExchangeManager reads the optional GroupId via GetDestinationGroupId().Value() without a HasValue() guard (CWE-457), triggering a SIGABRT abort. An upstream fix exists (commit 0360cc3, PR #36729), and no public exploit has been identified at time of analysis; this is a network-reachable, unauthenticated availability issue with no confidentiality or integrity impact.

Denial Of Service
NVD GitHub
CVSS 3.1
7.5
EPSS
0.2%
CVE-2026-15770 MEDIUM PATCH This Month

Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Google Information Disclosure
NVD
CVSS 3.1
6.5
EPSS
0.3%
CVE-2026-15766 MEDIUM PATCH This Month

Uninitialized Use in Skia in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Google Information Disclosure
NVD
CVSS 3.1
6.5
EPSS
0.3%
CVE-2026-15132 HIGH PATCH This Week

Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

RCE Google
NVD VulDB
CVSS 3.1
8.8
EPSS
0.2%
CVE-2026-15109 MEDIUM PATCH This Month

Uninitialized memory use in Chrome's ANGLE graphics layer exposes potentially sensitive process memory contents to remote attackers across all desktop Chrome versions prior to 150.0.7871.115. The flaw is triggered by a crafted HTML page requiring user interaction, limiting automated mass exploitation - consistent with SSVC classifying it as non-automatable with partial technical impact. No public exploit code exists and EPSS sits at 0.18% (7th percentile), but Chrome's ubiquitous deployment footprint and the high confidentiality impact still justify prompt patching.

Information Disclosure Google
NVD VulDB
CVSS 3.1
6.5
EPSS
0.2%
CVE-2026-15168 LOW PATCH Monitor

Information disclosure in Wireshark's BLF file parser affects versions 4.6.0-4.6.6 and 4.4.0-4.4.16, stemming from use of an uninitialized variable (CWE-457) that may expose portions of process memory when parsing a crafted BLF file. Exploitation is constrained by a local attack vector, high attack complexity, and mandatory user interaction - a victim must actively open a malicious file. With a CVSS score of 2.5, no CISA KEV listing, and no public exploit identified at time of analysis, this is a low-priority finding with a narrow, socially-engineered attack surface.

Information Disclosure Wireshark
NVD
CVSS 3.1
3.3
EPSS
0.1%
CVE-2026-14405 CRITICAL PATCH Act Now

Arbitrary code execution within the renderer sandbox in Google Chrome's V8 JavaScript engine (versions prior to 150.0.7871.46) can be triggered when a victim loads a crafted HTML page. The flaw stems from use of uninitialized memory in V8 and, while carrying a high CVSS base score of 9.6, was rated only Low severity by Chromium because code execution is confined inside the renderer sandbox and still requires a separate sandbox escape for full host compromise. No public exploit identified at time of analysis, and CISA's SSVC framework marks exploitation status as none.

RCE Google Suse
NVD
CVSS 3.1
9.6
EPSS
0.3%
CVE-2026-14399 MEDIUM PATCH This Month

Uninitialized Use in Dawn in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

Information Disclosure Google Suse
NVD
CVSS 3.1
6.5
EPSS
0.2%
CVE-2026-14408 MEDIUM PATCH This Month

Uninitialized Use in Dawn in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

Information Disclosure Google Suse
NVD
CVSS 3.1
6.5
EPSS
0.2%
CVE-2026-14421 MEDIUM PATCH This Month

Uninitialized memory use in Dawn, Chrome's WebGPU implementation, on ChromeOS prior to version 150.0.7871.46 enables remote attackers to read potentially sensitive contents from GPU process memory by serving a crafted HTML page. The flaw (CWE-457) allows stale or uninitialized buffer data to be exposed back to the requesting JavaScript context without proper sanitization. No public exploit has been identified at time of analysis, and CISA SSVC rates this as non-automatable with partial technical impact, though the CVSS confidentiality rating is High.

Information Disclosure Google Suse
NVD
CVSS 3.1
6.5
EPSS
0.2%
EPSS 0% CVSS 7.5
HIGH This Week

Denial of service in the Matter SDK (connectedhomeip) before version 1.4.0 allows remote attackers to crash a Matter device or controller by sending a groupcast InvokeCommand message without an initialized destination group ID. The ExchangeManager reads the optional GroupId via GetDestinationGroupId().Value() without a HasValue() guard (CWE-457), triggering a SIGABRT abort. An upstream fix exists (commit 0360cc3, PR #36729), and no public exploit has been identified at time of analysis; this is a network-reachable, unauthenticated availability issue with no confidentiality or integrity impact.

Denial Of Service
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Google Information Disclosure
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Uninitialized Use in Skia in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Google Information Disclosure
NVD
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

RCE Google
NVD VulDB
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Uninitialized memory use in Chrome's ANGLE graphics layer exposes potentially sensitive process memory contents to remote attackers across all desktop Chrome versions prior to 150.0.7871.115. The flaw is triggered by a crafted HTML page requiring user interaction, limiting automated mass exploitation - consistent with SSVC classifying it as non-automatable with partial technical impact. No public exploit code exists and EPSS sits at 0.18% (7th percentile), but Chrome's ubiquitous deployment footprint and the high confidentiality impact still justify prompt patching.

Information Disclosure Google
NVD VulDB
EPSS 0% CVSS 3.3
LOW PATCH Monitor

Information disclosure in Wireshark's BLF file parser affects versions 4.6.0-4.6.6 and 4.4.0-4.4.16, stemming from use of an uninitialized variable (CWE-457) that may expose portions of process memory when parsing a crafted BLF file. Exploitation is constrained by a local attack vector, high attack complexity, and mandatory user interaction - a victim must actively open a malicious file. With a CVSS score of 2.5, no CISA KEV listing, and no public exploit identified at time of analysis, this is a low-priority finding with a narrow, socially-engineered attack surface.

Information Disclosure Wireshark
NVD
EPSS 0% CVSS 9.6
CRITICAL PATCH Act Now

Arbitrary code execution within the renderer sandbox in Google Chrome's V8 JavaScript engine (versions prior to 150.0.7871.46) can be triggered when a victim loads a crafted HTML page. The flaw stems from use of uninitialized memory in V8 and, while carrying a high CVSS base score of 9.6, was rated only Low severity by Chromium because code execution is confined inside the renderer sandbox and still requires a separate sandbox escape for full host compromise. No public exploit identified at time of analysis, and CISA's SSVC framework marks exploitation status as none.

RCE Google Suse
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Uninitialized Use in Dawn in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

Information Disclosure Google Suse
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Uninitialized Use in Dawn in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

Information Disclosure Google Suse
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Uninitialized memory use in Dawn, Chrome's WebGPU implementation, on ChromeOS prior to version 150.0.7871.46 enables remote attackers to read potentially sensitive contents from GPU process memory by serving a crafted HTML page. The flaw (CWE-457) allows stale or uninitialized buffer data to be exposed back to the requesting JavaScript context without proper sanitization. No public exploit has been identified at time of analysis, and CISA SSVC rates this as non-automatable with partial technical impact, though the CVSS confidentiality rating is High.

Information Disclosure Google Suse
NVD

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