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Highest advisory severityHigh 2 vendors · 3 advisories

CVE-2026-15767: Heap buffer overflow in libyuv

Not in the CISA KEV catalog. High advisory severity (CVSS 8.8, Red Hat).

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

CVE-2026-15767 key facts

CISA KEV
Not listed (catalog checked )
Highest advisory severity
High
CVSS base score
8.8 (Red Hat)
CVSS vector
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (Red Hat)
Weakness
CWE-787
Fixed releases
  • Red Hat: libyuv-main-0-0.63.20260714gitafff0cf.1.hum1, libyuv-main-0-0.63.20260714gitafff0cf.2.hum1, RHSA-2026:42081, RHSA-2026:61384
Vendor advisories
3 from Palo Alto, Red Hat
VulniPulse record
Published · Updated

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-15767; bulletin-wide values are not repeated here.

Is CVE-2026-15767 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-15767 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-15767?

Upgrade to a fixed release named by the vendor:

  • Red Hat: libyuv-main-0-0.63.20260714gitafff0cf.1.hum1, libyuv-main-0-0.63.20260714gitafff0cf.2.hum1, RHSA-2026:42081, RHSA-2026:61384

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Vendor advisory comparison

Palo Alto

2 advisories
  • Advisory severityHigh

    High [CVE-2026-0289 +448] PAN-SA-2026-0011 Chromium: Monthly Vulnerability Update (August 2026)

    PAN-SA-2026-0011Source published

    This bulletin covers 449 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    Palo Alto Networks incorporated the following Chromium security fixes into our products: CVESummaryCVE-2026-13774 Use after free in ExtensionsCVE-2026-13775 Use after free in GPUCVE-2026-13776 Type Confusion in DawnCVE-2026-13777 Insufficient validation of untrusted input in iOSWebCVE-2026-13778 Use after free in WebUSBCVE-2026-13779 Use after free in ChromotingCVE-2026-13780 Insufficient validation of untrusted input in ANGLECVE-2026-13781 Insufficient validation of untrusted input in SkiaCVE-2026-13782 Use after free in BrowserCVE-2026-13783 Use after free in ViewsCVE-2026-13784 Use after free in ViewsCVE-2026-13785 Use after free in BluetoothCVE-2026-13786 Use af

    Affected products in this advisory
    No product details extracted. Check the source bulletin.
    Source-reported affected versions
    • Prisma Browser < 148.18.4.217
    Source-reported fixed versions
    • Prisma Browser >= 150.49.8.187
    Mitigation guidance
    • Upgrade to a fixed release: Prisma Browser >= 150.49.8.187.
    Workarounds
    • No known workarounds exist for this issue.
    Full advisory and evidenceOpen source bulletin
  • Advisory severityLow2.1

    Low [CVE-2026-0289 +448] Prisma Browser: Sensitive Information Disclosure Vulnerability

    CVE-2026-0290Source published

    This bulletin covers 449 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    Palo Alto Networks incorporated the following Chromium security fixes into our products: CVESummaryCVE-2026-13774 Use after free in ExtensionsCVE-2026-13775 Use after free in GPUCVE-2026-13776 Type Confusion in DawnCVE-2026-13777 Insufficient validation of untrusted input in iOSWebCVE-2026-13778 Use after free in WebUSBCVE-2026-13779 Use after free in ChromotingCVE-2026-13780 Insufficient validation of untrusted input in ANGLECVE-2026-13781 Insufficient validation of untrusted input in SkiaCVE-2026-13782 Use after free in BrowserCVE-2026-13783 Use after free in ViewsCVE-2026-13784 Use after free in ViewsCVE-2026-13785 Use after free in BluetoothCVE-2026-13786 Use af

    Affected products in this advisory
    No product details extracted. Check the source bulletin.
    Source-reported affected versions
    • Prisma Browser < 148.18.4.217
    Source-reported fixed versions
    • Prisma Browser >= 150.49.8.187
    Mitigation guidance
    • Upgrade to a fixed release: Prisma Browser >= 150.49.8.187.
    Workarounds
    • No known workarounds exist for this issue.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityHigh8.8

    High [CVE-2026-15767] Heap buffer overflow in libyuv

    CVE-2026-15767Source published Source updated

    Heap buffer overflow in libyuv in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted video file. (Chromium security severity: High) A heap buffer overflow flaw was found in the libyuv component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-787. Affected Red Hat products: Red Hat Hardened Images. Red Hat fixing advisory: RHSA-2026:42081, RHSA-2026:61384.

    Affected products in this advisory
    • Red Hat Hardened Images
    Source-reported affected versions
    • < 150.0.7871.125
    Source-reported fixed versions
    • libyuv-main-0-0.63.20260714gitafff0cf.1.hum1
    • libyuv-main-0-0.63.20260714gitafff0cf.2.hum1
    • RHSA-2026:42081
    • RHSA-2026:61384
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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