CVE-2023-40078

criticalpriority · track · 39EPSS 0.005 · 44 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.52% (44th) EPSS

CVSS 9.8 · critical

Is it mine?

4 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-26

In a2dp_vendor_opus_decoder_decode_packet of a2dp_vendor_opus_decoder.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to paired device escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (4)

Products and version ranges known to be affected.

Google Androidall versionscert_bundDEcpe:/o:google:android:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Google Android≤ 14enisa_euvdEU
google android= 14.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-3056Samsung Android: Mehrere SchwachstellenDeutsch2023-12-04csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Samsung Android ausnutzen, um beliebigen Code auszuführen, vertrauliche Informationen offenzulegen oder Sicherheitsmaßnahmen zu umgehen.
WID-SEC-W-2023-3057Google Android: Mehrere SchwachstellenDeutsch2023-12-04csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in Google Android ausnutzen, um seine Privilegien zu erhöhen, einen Denial-of-Service-Zustand zu verursachen oder vertrauliche Informationen offenzulegen.
ASB-A-2756260012023-12-01vendor · osvUS
In a2dp_vendor_opus_decoder_decode_packet of a2dp_vendor_opus_decoder.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to paired device escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2023-12-04modified 2026-06-17

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Related entries.

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+16091 more

references (8)

External citations — patches, advisories, analysis.

scry

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