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CVE Record

CVE-2023-23462: Libpeconv – integer overflow

Libpeconv – integer overflow, before commit 75b1565 (30/11/2022).

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2023-23462 is a critical integer overflow in Libpeconv, a library associated with parsing Windows PE files. The public bundle identifies affected versions only as before a November 30, 2022 commit, so exposure depends on whether your software embeds that library version.

Executive priority

Treat as priority remediation if Libpeconv is present in externally reachable or automated file-processing paths. If the library is absent, business urgency is low. The main task is fast inventory because the public advisory is minimal.

Technical view

The CVE maps to CWE-190 and carries CVSS 3.1 score 9.8 with AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Sources describe an integer overflow in Libpeconv before a 30/11/2022 commit, but the bundle names two different commit IDs.

Likely exposure

Organizations are likely exposed only through applications, tools, or pipelines that include affected Libpeconv code. The sources do not identify packaged downstream products, operating systems, or managed services.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates severe theoretical impact, but public evidence here is too sparse to confirm exploitation or attack patterns.

Researcher notes

The source bundle contains a commit inconsistency: the description cites 75b1565, while affected versions cite b076013. Do not assume downstream impact beyond Libpeconv without dependency evidence. No exploit details or patch release notes are included in the provided sources.

Mitigation direction

  • Inventory applications and security tools that embed or vendor Libpeconv.
  • Check vendor guidance and the CVE record for the authoritative fixed commit.
  • Update or rebuild affected software once the fixed Libpeconv version is confirmed.
  • Limit processing of untrusted PE files where Libpeconv exposure cannot be ruled out.

Validation and detection

  • Review SBOMs, lockfiles, vendored source, and build manifests for Libpeconv.
  • Compare deployed source or binary provenance against the referenced November 30, 2022 fix.
  • Confirm whether the commit discrepancy affects your version assessment.
  • Run regression tests for PE parsing after updating dependent software.
Prepared
Confidence
medium
Sources
3

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-190: 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-2023-23462 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
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
2Source 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
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2023-23462Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
Hasherezade (github)Libpeconvbefore commit b076013 (30/11/2022).Listed
Weakness

CWE details

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

CWE-190 · source CWE mapping

Integer Overflow or Wraparound

Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.