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CVE-2026-102010high7.0

Gcc-toolset-15-gcc: gcc: gcc-toolset-16: gcc: denial of service via use-after-free in binary heap erase_if

Impact

A flaw in GCC's libstdc++ library may cause a Denial of Service (DoS) via application crash or potential memory corruption when an attacker triggers the erase_if function on a binary heap priority queue. The attacker must be able to call this function. The impact is a use-after-free condition.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

CVE

What to do

Applications can mitigate this issue by avoiding calls to erase_if() on __gnu_pbds::priority_queue containers that use the binary_heap_tag backend. Where predicate-based removal is required, use an alternative container or a different heap backend in application code. Apart from applying a fixed package when one becomes available, no other mitigation is currently available.

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

1 range

redhat version evidence

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unaffected

0:15.2.1-7.1.el10_2 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:10.2

Red Hat · redhat

Red Hat Enterprise Linux 8

1 range

redhat version evidence

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unaffected

0:8.5.0-30.el8_10 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:enterprise_linux:8::appstreamcpe:/a:redhat:enterprise_linux:8::crbcpe:/o:redhat:enterprise_linux:8::baseos

Red Hat · redhat

Red Hat Enterprise Linux 8

1 range

redhat version evidence

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unaffected

0:15.2.1-7.2.el8_10 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:enterprise_linux:8::appstream

Red Hat · redhat

Red Hat Enterprise Linux 8

1 range

redhat version evidence

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unaffected

0:8.5.0-30.el8_10 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:enterprise_linux:8::appstreamcpe:/a:redhat:enterprise_linux:8::crbcpe:/o:redhat:enterprise_linux:8::baseos

Red Hat · redhat

Red Hat Hardened Images

1 range

redhat version evidence

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unaffected

13.5.0-0.2.hum1 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:hummingbird:1

Red Hat · redhat

Red Hat Hardened Images

1 range

redhat version evidence

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unaffected

16.2.1-3.hum1 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:hummingbird:1

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: unaffected

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

0 ranges

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Other versions: affected

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: affected

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: affected

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: affected

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: affected

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: affected

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: affected

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: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:7

Red Hat · redhat

Red Hat Enterprise Linux 7

0 ranges

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:7

Red Hat · redhat

Red Hat Enterprise Linux 8

0 ranges

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Other versions: unaffected

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 9

0 ranges

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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

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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

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Other versions: unaffected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:9

Red Hat · redhat

Red Hat Enterprise Linux 9

0 ranges

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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

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:9

Red Hat · redhat

Red Hat OpenShift Container Platform 4

0 ranges

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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

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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

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Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:openshift:5

Original source description

A flaw was found in GCC. When an application calls the erase_if function on a binary heap priority queue in libstdc++, the library reallocates storage but fails to update its internal entry pointer. An attacker capable of triggering this operation can exploit this use-after-free condition, leading to a Denial of Service (DoS) via an application crash or potential memory corruption.

Inside the record

Evidence available

Package identity · not supplied

Version evidence

Remediation guidance

Weakness classification

Additional publishers

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

Original records

CVE-2026-102010

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.

Expired Pointer Dereference

redhat

Contributing organizations · 2

redhat

Assigning organization

2026-10-30

CISA-ADP

Additional data publisher

2026-09-28

What changed

CVE · CVE-2026-1020102026-10-30

Observed 2026-10-30T07:56:07.843Z · upstream updated 2026-10-30T07:47:21.733Z

Product or version evidence changed

before

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  },
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        "lessThan": "*",
        "versionType": "rpm"
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    "defaultStatus": "affected",
    "cpes": [
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      "cpe:/a:redhat:enterprise_linux:8::crb",
      "cpe:/o:redhat:enterprise_linux:8::baseos"
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  },
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  },
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    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
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  },
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    "vendor": "Red Hat",
    "name": "Red Hat Hardened Images",
    "platforms": [],
    "versions": [
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        "status": "unaffected",
        "lessThan": "*",
        "versionType": "rpm"
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    "defaultStatus": "affected",
    "cpes": [
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  },
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    "vendor": "Red Hat",
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  {
    "vendor": "Red Hat",
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  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat Enterprise Linux 9",
    "platforms": [],
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    "defaultStatus": "affected",
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  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat Enterprise Linux 9",
    "platforms": [],
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  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat OpenShift Container Platform 4",
    "platforms": [],
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    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
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  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat OpenShift Container Platform 4",
    "platforms": [],
    "versions": [],
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ],
    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-102010"
  }
]

after

[
  {
    "vendor": "Red Hat",
    "name": "Red Hat Enterprise Linux 10",
    "platforms": [],
    "versions": [
      {
        "version": "0:15.2.1-7.1.el10_2",
        "status": "unaffected",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.2"
    ],
    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-102010"
  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat Enterprise Linux 8",
    "platforms": [],
    "versions": [
      {
        "version": "0:8.5.0-30.el8_10",
        "status": "unaffected",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream",
      "cpe:/a:redhat:enterprise_linux:8::crb",
      "cpe:/o:redhat:enterprise_linux:8::baseos"
    ],
    "source": "redhat",
    "url": "https://www.cve.org/CVERecord?id=CVE-2026-102010"
  },
  {
    "vendor": "Red Hat",
    "name": "Red Hat Enterprise Linux 8",
    "platforms": [],
    "versions": [
      {
        "version": "0:15.2.1-7.2.el8_10",
        "status": "unaffected",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "defaultStatus": "affected",
    "cpes": [
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  }
]

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

Showing up to 50 most recent observed changes.

References

7 sources

access.redhat.com/errata/RHSA-2026:73642

vendor-advisoryredhat

access.redhat.com/errata/RHSA-2026:74569

vendor-advisoryredhat

access.redhat.com/errata/RHSA-2026:89830

vendor-advisoryredhat

access.redhat.com/errata/RHSA-2026:89891

vendor-advisoryredhat

access.redhat.com/errata/RHSA-2026:90915

vendor-advisoryredhat

access.redhat.com/security/cve/CVE-2026-102010

vdb-entryredhat

View 1 more references

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, 11:20:32 UTC

redhat · CVSS:3.1 · 7

Assessment vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/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: 0.33% estimated probability in the next 30 days. 2026-10-28 · FIRST EPSS.

CISA-ADP · SSVC

CISA Coordinator · 2026-09-28

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: 28/09/2026, 18:54:31 UTC
Modified: 30/10/2026, 07:47:21 UTC
Last imported by cve.new: 30/10/2026, 07:56:07 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-2026-102010

Enrichment coverage

NVDAvailable

Checked 29/10/2026, 06:10:33 UTC

GHSAAvailable

Checked 29/10/2026, 06:10:33 UTC

EUVDAvailable

Checked 29/10/2026, 06:10:34 UTC

EPSSAvailable

Checked 29/10/2026, 06:10:32 UTC

Additional source evidence

FIRST EPSS · CVE-2026-102010

EPSS 0.33% probability of exploitation in the next 30 days. Percentile: 26.43% · 2026-10-28

Checked 29/10/2026, 06:10:32 UTC

NVD · CVE-2026-102010

CVSS 7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Checked 29/10/2026, 06:10:33 UTC

GitHub Advisory Database · GHSA-q3jj-75h6-5xmp

CVSS 7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Checked 29/10/2026, 06:10:33 UTC

ENISA EUVD · EUVD-2026-88443

CVSS 7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Checked 29/10/2026, 06:10:34 UTC

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