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CVE-2026-15714

An out-of-bounds read vulnerability was found in libsoup's multipart processing subsystem. The flaw exists in the soup_multipart_input_stream_read_headers() function inside soup-multipart-input-stream.c, which does not adequately restrict or validate the size of incoming multipart boundary strings. When processing a crafted HTTP response containing a malformed or oversized boundary parameter, the internal stream reader reads past the allocated buffer bounds. A remote, unauthenticated attacker ca
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c7d1f8ea8e9d1a9f6632ca668237f32713cd2ce5f3f811bf46750dec34ff3eb6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"libsoup3","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/0

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/2

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/4

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/3

Affected products and versions

5 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"libsoup3","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unknown","packageName":"libsoup","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unknown","packageName":"libsoup","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"libsoup","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"libsoup","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /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:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-15714"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/references/0
{"name":"RHBZ#2499942","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499942"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/references/1
{"url":"https://gitlab.gnome.org/GNOME/libsoup/-/work_items/542"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://gitlab.gnome.org/GNOME/libsoup/-/work_items/542"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5c231f568454c347fade7d543f14f6d522e2862bb2e2ff98be3b94b393e04d31 · sha256:544af07c5dde9cbc… · /containers/adp/0/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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