DaystoPatch

GoogleExploited incident

Android Runtime Use-After-Free Vulnerability

CVE-2025-48543High, CVSS 8.8In CISA's Known Exploited Vulnerabilities catalog since 4 Sep 2025

Automated timeline. Not yet checked by a researcher, so it doesn't count toward any grade.

FixedFixed for every supported version on the day it became public.

Response

Silence
same day
First public report to first vendor statementUnverified source
Exposure
same day
First public report to first fixUnverified source
Follow-through
same day
First public report to a fix for every supported versionUnverified source
  • Vendor silent
  • Vendor statement, no fix
  • Fixed for some versions
  • Fixed when disclosed
  • Date only, no time of day

Timeline and evidence

Open a moment to see its source and archived quote.

  1. First public report

    date onlyUnverified: quote not found in the archived copy

    Google advisory ASB-2025-09/CVE-2025-48543ClaimedQuote not found in archive

    Android Security Bulletin—September 2025 | Android Open Source Project Skip to main content Docs What's new? Release notes Latest security bulletins Latest Compatibility Definition Document (CDD)

    The vendor's own disclosure.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Claimed. The date the source gives.
    Quote check
    Not found in the archived copy. Treat with caution.
    Snapshot
    sha256:26fca4d302336320…
    Used in metrics
    Yes
    Dispute this timestamp
    3 more sources for this moment
    Bluesky postClaimedQuote not checked yet3 Sep 2025, 06:01 UTC

    Android Security Bulletin – September 2025 Patches Actively Exploited Flaws (CVE-2025-38352 & CVE-2025-48543) and Critical RCE

    Earliest third-party post we hold.

    Source
    Bluesky post social
    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Not checked yet
    Snapshot
    No archived snapshot
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    CISA KEV (CVE-2025-48543)ClaimedQuote verified4 Sep 2025

    Android Runtime Use-After-Free Vulnerability

    Added to CISA's KEV catalog on 2025-09-04.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:ef8fffede5c47200…
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    CVE.org record CVE-2025-48543ClaimedQuote verified4 Sep 2025, 18:34 UTC

    In multiple locations, there is a possible way to escape chrome sandbox to attack android system_server due to a use after free. This could lead to local escalation of privilege with no additional

    CVE record published.

    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:6c4d859820424b30…
    Used in metrics
    No, kept for the record
    Dispute this timestamp

  2. Vendor statement

    date onlysame dayUnverified: quote not found in the archived copy

    Google advisory ASB-2025-09/CVE-2025-48543ClaimedQuote not found in archive

    Android Security Bulletin—September 2025 | Android Open Source Project Skip to main content Docs What's new? Release notes Latest security bulletins Latest Compatibility Definition Document (CDD)

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Claimed. The date the source gives.
    Quote check
    Not found in the archived copy. Treat with caution.
    Snapshot
    sha256:26fca4d302336320…
    Used in metrics
    Yes
    Dispute this timestamp
    1 more source for this moment
    Google advisory ASB-2025-09/CVE-2025-48543ClaimedQuote verified2 Dec 2025

    Updated Issue List

    revision 2.1: issue list updated after first publication (2025-09-02); upper bound

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:a0fa5de805f2ec8f…
    Used in metrics
    No, kept for the record
    Dispute this timestamp

  3. First workaround

    No official mitigation found yet.

  4. First fix

    date onlysame dayUnverified: derived by rule, not read from a source

    Google advisory ASB-2025-09/CVE-2025-48543Inferred

    Android Security Bulletin—September 2025 | Android Open Source Project Skip to main content Docs What's new? Release notes Latest security bulletins Latest Compatibility Definition Document (CDD)

    Patch-day rule: Google ships fixes in the advisory that discloses a bug, and this advisory states that fixed versions exist. So the vendor statement, first fix and fix for all versions all take the advisory's publication time.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Inferred. Derived by a documented rule.
    Quote check
    Not found in the archived copy. Treat with caution.
    Snapshot
    sha256:26fca4d302336320…
    Used in metrics
    Yes
    Dispute this timestamp
    1 more source for this moment
    Google advisory ASB-2025-09/CVE-2025-48543ClaimedQuote verified2 Dec 2025

    Updated Issue List

    revision 2.1: AOSP source patches linked (upper bound); device updates depend on the manufacturer

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:a0fa5de805f2ec8f…
    Used in metrics
    No, kept for the record
    Dispute this timestamp

  5. Fixed for all versions

    date onlysame dayUnverified: derived by rule, not read from a source

    Google advisory ASB-2025-09/CVE-2025-48543Inferred

    Android Security Bulletin—September 2025 | Android Open Source Project Skip to main content Docs What's new? Release notes Latest security bulletins Latest Compatibility Definition Document (CDD)

    Patch-day rule: Google ships fixes in the advisory that discloses a bug, and this advisory states that fixed versions exist. So the vendor statement, first fix and fix for all versions all take the advisory's publication time.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Inferred. Derived by a documented rule.
    Quote check
    Not found in the archived copy. Treat with caution.
    Snapshot
    sha256:26fca4d302336320…
    Used in metrics
    Yes
    Dispute this timestamp

Send this to your boss

No brief for this incident yet. We write one for every open incident and every critical bug exploited before a fix.

Affected products

  • Runtime
  • Android

Related

Google report card