LiveActive security incident?Get immediate response
CVE Record

CVE-2023-0817: Buffer Over-read in gpac/gpac

Buffer Over-read in GitHub repository gpac/gpac prior to v2.3.0-DEV.

HighCVSS 7.3Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

GPAC versions before v2.3.0-DEV contain a buffer over-read. A user-assisted local interaction with crafted media or input could expose memory and potentially affect application behavior. The CVSS rating is high, but the supplied sources do not show active exploitation or CISA KEV listing.

Executive priority

Prioritize remediation for teams that process third-party or user-supplied media. The issue is high severity, but current evidence supports a targeted patch and exposure review rather than an emergency internet-wide response.

Technical view

CVE-2023-0817 is a CWE-126 buffer over-read in gpac/gpac before v2.3.0-DEV. The CVSS 3.0 vector is local, low complexity, no privileges required, user interaction required, unchanged scope, with high confidentiality and integrity impact and low availability impact.

Likely exposure

Exposure is most likely where GPAC tools or libraries process untrusted media files, uploaded content, or files received from outside the organization. The source bundle does not identify specific downstream products, distributions, or packaged versions beyond gpac/gpac before v2.3.0-DEV.

Exploitation context

The supplied data indicates user interaction is required and the attack vector is local. No provided source confirms active exploitation, weaponized public exploitation, or CISA KEV inclusion. Treat suspicious media-processing workflows as the primary risk area until vendor guidance confirms safe versions.

Researcher notes

The source bundle identifies the weakness class, affected upstream project, CVSS vector, and fixing commit. It does not provide enough detail here to assert exploitability mechanics, vulnerable code paths, downstream package impact, or observed exploitation.

Mitigation direction

  • Inventory systems and applications using gpac/gpac media processing components.
  • Upgrade GPAC to v2.3.0-DEV or a later vendor-confirmed fixed version.
  • If upgrade timing is unclear, review the referenced GPAC commit and vendor guidance.
  • Restrict GPAC processing of untrusted media until patched.
  • Run media-processing workloads with least privilege and isolation where feasible.

Validation and detection

  • Check deployed GPAC versions against the pre-v2.3.0-DEV affected range.
  • Confirm whether packaged dependencies include the referenced GPAC fix commit.
  • Review file-processing workflows for untrusted media inputs.
  • Verify patch status in build manifests, container images, and host packages.
  • Monitor vendor advisories for clarified fixed release information.
Prepared
Confidence
medium
Sources
4

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-126: 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-2023-0817 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
7.3 (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:L

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
3Source 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
7.3CVSS 3.0HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L1.85.5Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.3High
CVSS 3.0 vector shape for CVE-2023-0817Attack 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:L

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-126 · source CWE mapping

Buffer Over-read

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