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  4. CVE 2026 14612 freeipa ipa idm freeipa off by one buffer
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Back to active CVEs
Medium · CVSS 4.2CVE-2026-14612

Freeipa: ipa: idm: freeipa: off-by-one buffer overflows in ipa-otpd oauth2.c during oauth2 device authorizationCVE-2026-14612

Answer in brief

CVE-2026-14612 records a Medium severity (CVSS 4.2) vulnerability in Freeipa: ipa: idm: freeipa: off-by-one buffer overflows in ipa-otpd oauth2.c during oauth2 device authorization. The current sources do not mark it as known exploited. The current feed maps Red Hat/idm:client/ipa (generic), Red Hat/idm:DL1/ipa (generic), Red Hat/ipa (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 3, 2026Updated Jul 7, 2026Source checked Nov 4, 2026First seen by HOL Jul 3, 2026Material review Jul 7, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.2
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/idm:client/ipa (generic), Red Hat/idm:DL1/ipa (generic), Red Hat/ipa (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/idm:client/ipageneric*Not reported
Red Hat/idm:DL1/ipageneric*Not reported
Red Hat/ipageneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/idm:client/ipa, Red Hat/idm:DL1/ipa, Red Hat/ipa.
  2. 2Review the reported fix. Source-reported workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Evidence timeline and material changes

  1. Published upstream

    Jul 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Jul 7, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Jul 3, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

Two off-by-one errors in the FreeIPA ipa-otpd daemon's OAuth2 device authorization handler can cause out-of-bounds memory access when processing an oversized response from a configured external OAuth2/OIDC Identity Provider. An attacker who controls or can man-in-the-middle the IdP endpoint may be able to trigger ipa-otpd to write or read one byte past the end of a fixed-size buffer. Exploitation requires FreeIPA to be configured with an external IdP, attacker control or MITM of that IdP, and a user to initiate the OAuth2 device authorization flow. The most likely impact is limited denial of service affecting the ipa-otpd daemon.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Apache OpenOffice: Heap out-of-bounds write in WW8 PLCF readerAlso CWE-787
  • Apache OpenOffice: PDF File Parsing Heap based Buffer-Overflow-Remote Code Execution VulnerabilityAlso CWE-787
  • Apache OpenOffice: Out-of-bounds write when importing encrypted PDF filesAlso CWE-787
  • Apache OpenOffice: Out of bounds memory access during WMF importAlso CWE-787
  • Apache OpenOffice: Out-of-bounds write when importing encrypted PDF filesAlso CWE-787

Record context

Vulnerability class
Memory Corruption
EPSS
Not reported
CWE IDs
CWE-787
Source
CVE List V5
Source checked
Nov 4, 2026
References
2 linked sources
Open source record