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CVE-2026-114691medium5.9

Gcc: integer wrap in `std

Impact

A flaw was found in the libstdc++ component of GCC. An attacker who can provide an excessively large element count to a boolean vector (std::vector) constructor can trigger an integer wrap during internal memory calculations. This issue leaves the container in an inconsistent state, leading to out-of-bounds memory access and resulting in an application crash or a Denial of Service (DoS) during subsequent operations.

Source excerpt · redhat

What to do

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.

redhat guidance

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Red Hat · redhat

Red Hat Enterprise Linux 10

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redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:10

Red Hat · redhat

Red Hat Enterprise Linux 10

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:10

Red Hat · redhat

Red Hat Enterprise Linux 10

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:10

Red Hat · redhat

Red Hat Enterprise Linux 10

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:10

Red Hat · redhat

Red Hat Enterprise Linux 6

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:6

Red Hat · redhat

Red Hat Enterprise Linux 6

0 ranges

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:6

Red Hat · redhat

Red Hat Enterprise Linux 6

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:6

Red Hat · redhat

Red Hat Enterprise Linux 6

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:6

Red Hat · redhat

Red Hat Enterprise Linux 6

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:6

Red Hat · redhat

Red Hat Enterprise Linux 7

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:7

Red Hat · redhat

Red Hat Enterprise Linux 7

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:7

Red Hat · redhat

Red Hat Enterprise Linux 7

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:7

Red Hat · redhat

Red Hat Enterprise Linux 7

0 ranges

redhat version evidence

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:7

Red Hat · redhat

Red Hat Enterprise Linux 8

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:8

Red Hat · redhat

Red Hat Enterprise Linux 8

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:8

Red Hat · redhat

Red Hat Enterprise Linux 8

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:8

Red Hat · redhat

Red Hat Enterprise Linux 8

0 ranges

redhat version evidence

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Compare with this publisher’s ranges. This does not inspect your installation.

Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:8

Red Hat · redhat

Red Hat Enterprise Linux 9

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:9

Red Hat · redhat

Red Hat Enterprise Linux 9

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:9

Red Hat · redhat

Red Hat Enterprise Linux 9

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:9

Red Hat · redhat

Red Hat Enterprise Linux 9

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:9

Red Hat · redhat

Red Hat Enterprise Linux 9

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:9

Red Hat · redhat

Red Hat Hardened Images

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:hummingbird:1

Red Hat · redhat

Red Hat Hardened Images

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:hummingbird:1

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:openshift:4

Red Hat · redhat

Red Hat OpenShift Container Platform 5

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:openshift:5

Original source description

A flaw was found in the libstdc++ component of GCC. An attacker who can provide an excessively large element count to a boolean vector (std::vector<bool>) constructor can trigger an integer wrap during internal memory calculations. This issue leaves the container in an inconsistent state, leading to out-of-bounds memory access and resulting in an application crash or a Denial of Service (DoS) during subsequent operations.

Inside the record

Evidence available

Package identity · not supplied

Version evidence · not supplied

Remediation guidance

Weakness classification

Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-114691

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

Integer Overflow or Wraparound

redhat

Contributing organizations · 2

redhat

Assigning organization

2026-10-30

CISA-ADP

Additional data publisher

2026-10-30

What changed

CVE · CVE-2026-1146912026-10-30

Observed 2026-10-30T18:56:29.990Z · upstream updated 2026-10-30T18:34:30.487Z

Product or version evidence changed

before

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]

after

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    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-114691"
  },
  {
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    "name": "Red Hat Enterprise Linux 8",
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    "vendor": "Red Hat",
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    "vendor": "Red Hat",
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  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat Hardened Images",
    "platforms": [],
    "versions": [],
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
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  },
  {
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  {
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  },
  {
    "vendor": "Red Hat",
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    "cpes": [
      "cpe:/a:redhat:openshift:5"
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    "source": "redhat",
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  }
]

Prioritization updated

before

[]

after

[
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-30T16:58:15.100212Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "partial"
      }
    ]
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

References

2 sources

access.redhat.com/security/cve/CVE-2026-114691

vdb-entryredhat

bugzilla.redhat.com/show_bug.cgi

issue-trackingredhat

Priority and evidence

Not in CISA KEVNo package fix recorded

KEV coverage does not rule out exploitation.

KEV checked 31/10/2026, 06:50:31 UTC

redhat · CVSS:3.1 · 5.9

Assessment vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Reading the signals

Severity · CVSS: Technical impact and attack conditions. The headline is the highest imported catalog score; sources may disagree.
Observed exploitation · KEV: An absent or unavailable KEV listing does not establish that exploitation has not occurred.
Predicted exploitation · EPSS: No EPSS estimate available in this record.

CISA-ADP · SSVC

CISA Coordinator · 2026-10-30

Exploitation: none
Automatable: no
Technical Impact: partial

SSVC describes the publisher’s decision context. Your organization’s exposure and priorities may differ.

Record details

Published: 30/10/2026, 07:13:05 UTC
Modified: 30/10/2026, 18:34:30 UTC
Last imported by cve.new: 30/10/2026, 18:56:29 UTC
Aliases: None recorded

Source evidence

Request a correction or dispute

Start with the assigning organization for this record. Include the CVE ID, the disputed information, and supporting evidence. A dispute does not itself reject a record.

Find the responsible CNA →Official dispute and escalation process ↗

CVE CVE-2026-114691

Enrichment coverage

NVDNo result

Checked 30/10/2026, 07:25:33 UTC

GHSANo result

Checked 30/10/2026, 07:25:33 UTC

EUVDRefresh failed

Previous evidence retained where available.

EPSSNo result

Checked 30/10/2026, 07:25:33 UTC

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