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CVE-2026-53704

A flaw was found in GStreamer's RealMedia demuxer in the gst-plugins-ugly package. When processing a RealMedia file containing a specially crafted FILEINFO metadata section, the demuxer parses variable-name and variable-value pairs using re_skip_pascal_string() without validating that offsets remain within the mapped buffer. Additionally, the element count controlling the parsing loop is read from attacker-controlled data without validation, which can cause an infinite loop. A crafted RealMedia
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e2494f80c64ae3b75a61e62945d39ec9fdcc3987a8f51b1f05c66df77f6fb9df
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 4 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"gstreamer1-plugins-ugly-free","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-ugly-free","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.22.12-6.el9_8.1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"gstreamer1-plugins-ugly-free","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-ugly-free","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/affected/1

Affected products and versions

4 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"gstreamer1-plugins-ugly-free","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-ugly-free","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.22.12-6.el9_8.1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"gstreamer1-plugins-ugly-free","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-ugly-free","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-125","description":"Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"RHSA-2026:36674","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:36674"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/references/0
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-53704"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/references/1
{"name":"RHBZ#2487614","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2487614"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f08b597b3c293b71c46422ce32294b637d1a868547b3530c413542a5516617e7 · sha256:522535b28e7582f0… · /containers/cna/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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