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CVE-2026-7263

In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML document. This may cause subsequent processing of the XML document to enter infinite loop, causing denial of service in the processing application.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c486f768c1b94d4e916f80b1737d4a6faa33b3c219436c308b299706f2336641
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 11 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"php:7.4/php","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"php:8.2/php","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:hummingbird:1"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Hardened Images","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/9

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/1

{"defaultStatus":"unaffected","packageName":"dom","product":"PHP","vendor":"PHP Group","versions":[{"lessThan":"8.4.21","status":"affected","version":"8.4.*","versionType":"semver"},{"lessThan":"8.5.6","status":"affected","version":"8.5.*","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"php8.4","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:8.4.21-1.el10_2","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"php:8.3/php","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/8

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/6

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"php:8.2/php","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/7
cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/metrics/1/cvssV3_1

{"metric":{"Automatable":"YES","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/AU:Y/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityIm…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/cna/metrics/0/cvssV4_0
cwe · 3 assertions

{"cweId":"CWE-835","description":"Loop with Unreachable Exit Condition ('Infinite Loop')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/problemTypes/0/descriptions/0

{"cweId":"CWE-404","description":"CWE-404 Improper Resource Shutdown or Release","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-835","description":"CWE-835 Loop with unreachable exit condition ('infinite loop')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

11 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"php:7.4/php","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"php:8.2/php","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:hummingbird:1"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Hardened Images","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/9
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/1
{"defaultStatus":"unaffected","packageName":"dom","product":"PHP","vendor":"PHP Group","versions":[{"lessThan":"8.4.21","status":"affected","version":"8.4.*","versionType":"semver"},{"lessThan":"8.5.6","status":"affected","version":"8.5.*","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"php8.4","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:8.4.21-1.el10_2","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"php:8.3/php","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/8
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"php","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/6
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"php:8.2/php","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/affected/7

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/metrics/1/cvssV3_1
{"metric":{"Automatable":"YES","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/AU:Y/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityIm…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

3 source assertions
{"cweId":"CWE-835","description":"Loop with Unreachable Exit Condition ('Infinite Loop')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/problemTypes/0/descriptions/0
{"cweId":"CWE-404","description":"CWE-404 Improper Resource Shutdown or Release","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-835","description":"CWE-835 Loop with unreachable exit condition ('infinite loop')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/cna/problemTypes/1/descriptions/0

Source references

5 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:22649"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/references/3
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-7263"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/references/0
{"name":"RHBZ#2468572","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2468572"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/references/1
{"tags":["vendor-advisory"],"url":"https://github.com/php/php-src/security/advisories/GHSA-4jhr-8w89-j733"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7263.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:72fe5bb322ee18a2a9efd4878d00f6399a4637275a7b93010c1f8df8e1c8dd5e · sha256:223eff39d4876464… · /containers/adp/1/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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