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CVE Record

CVE-2023-0819: Heap-based Buffer Overflow in gpac/gpac

Heap-based Buffer Overflow in GitHub repository gpac/gpac prior to v2.3.0-DEV.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2023-0819 is a high-severity heap buffer overflow in gpac/gpac before v2.3.0-DEV. Successful exploitation could affect confidentiality, integrity, and availability, but the CVSS vector indicates local attack conditions and required user interaction, lowering internet-scale urgency.

Executive priority

Treat as a high-priority patching item where GPAC processes untrusted content. It is not presented as remotely exploitable or actively exploited in the provided sources, so prioritize based on actual GPAC usage and input exposure.

Technical view

The CVE describes CWE-122 heap-based buffer overflow in gpac/gpac before v2.3.0-DEV. CVSS 3.0 is 7.8 with AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating low complexity, no privileges, required interaction, unchanged scope, and high impact.

Likely exposure

Exposure is limited to environments running affected gpac/gpac versions. Highest concern is workstations, build pipelines, media-processing workflows, or servers where GPAC handles untrusted local input. The source bundle does not identify specific downstream products beyond gpac/gpac and Debian packages.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. The scoring indicates exploitation requires local attack conditions and user interaction, so risk depends heavily on whether untrusted content reaches GPAC in practice.

Researcher notes

Evidence is sparse in the bundle: the CVE, huntr report, upstream commit, and Debian advisory identify the vulnerability and fix direction. Avoid assuming exploitable paths beyond the CVSS local, user-interaction model unless additional vendor detail confirms them.

Mitigation direction

  • Upgrade gpac/gpac to v2.3.0-DEV or a later fixed release.
  • Apply Debian security updates from DSA-5411 where Debian packages are used.
  • Reduce GPAC handling of untrusted input until patched.
  • Track upstream GPAC guidance and distribution advisories for fixed package versions.

Validation and detection

  • Inventory systems and containers for installed GPAC versions.
  • Confirm GPAC packages are not older than the fixed vendor version.
  • Check Debian hosts for DSA-5411 remediation status.
  • Review workflows that pass untrusted content into GPAC.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-122: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-0819 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.8CVSS 3.0HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.8High
CVSS 3.0 vector shape for CVE-2023-0819Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
gpacgpac/gpacunspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-122 · source CWE mapping

Heap-based Buffer Overflow

Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.