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CVE-2025-31277

Improper Restriction of Memory Buffer — is CVE-2025-31277real, exploitable, or a false positive? Here's the community ground truth.

High · CVSS 8.8EPSS 1.4%CISA KEVCWE-119 · Improper Restriction of Memory Buffer

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.

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Community ground truth

Community verdict

2 verdicts
Not a real issue

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Community real-world severity: High (High 2) — CVSS base score 8.8

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Nadia PetrovaCurated

    Apple Multiple Products Buffer Overflow Vulnerability — Apple Safari, iOS, watchOS, visionOS, iPadOS, macOS, and tvOS contain a buffer overflow vulnerability that could allow the processing of maliciously crafted web content which may lead to memory corruption. Listed in the CISA KEV catalog (added 2026-03-20) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~1%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · Aisha RahmanCurated

    Required action for Apple Multiple Products: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA set a federal remediation due date of 2026-04-03. After patching, verify the vulnerable path is no longer reachable before closing the finding.

Same weaknessCWE-119 · Improper Restriction of Memory Buffer.