CVE Explorer

CVE-2026-5056

GStreamer qtdemux Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the parsing of UncompressedFrameConfigBox structures. The issue results from the lack of proper validation of the length of user-supplied data

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:67510f686fbf8d72b3ddee5127fb83f833e962f2b29ecbf3b2cae29e51cd6263

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unknown","product":"GStreamer","vendor":"GStreamer","versions":[{"status":"affected","version":"a303670510771b993867ddf62bff3bce0cb988c3"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:572a26308b2a506e2464ff7874f54dae44246de4181505fd28c0716672eda22a · sha256:76392172136a8419… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.0"},"metric_type":"cvssV3_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:572a26308b2a506e2464ff7874f54dae44246de4181505fd28c0716672eda22a · sha256:76392172136a8419… · /containers/cna/metrics/0/cvssV3_0

CWE assertions

1 source assertion

{"cweId":"CWE-121","description":"CWE-121: Stack-based Buffer Overflow","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:572a26308b2a506e2464ff7874f54dae44246de4181505fd28c0716672eda22a · sha256:76392172136a8419… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"url":"http://www.openwall.com/lists/oss-security/2026/05/01/1"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:572a26308b2a506e2464ff7874f54dae44246de4181505fd28c0716672eda22a · sha256:76392172136a8419… · /containers/adp/0/references/0

{"name":"vendor-provided URL","tags":["vendor-advisory"],"url":"https://gitlab.freedesktop.org/api/v4/projects/gstreamer%2Fgstreamer/repository/files/security-advisories%2Fsa-2026-0016.md/raw?ref=main"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:572a26308b2a506e2464ff7874f54dae44246de4181505fd28c0716672eda22a · sha256:76392172136a8419… · /containers/cna/references/1

{"name":"ZDI-26-283","tags":["x_research-advisory"],"url":"https://www.zerodayinitiative.com/advisories/ZDI-26-283/"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:572a26308b2a506e2464ff7874f54dae44246de4181505fd28c0716672eda22a · sha256:76392172136a8419… · /containers/cna/references/0

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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