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High 8.6Published Feb 2, 2026

CVE-2026-1761Libsoup: stack-based buffer overflow in libsoup multipart response parsingmultipart http response

Updated under an hour ago ()

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It affects Red Hat Enterprise Linux 10 and 8 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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A flaw was found in libsoup. This stack-based buffer overflow vulnerability occurs during the parsing of multipart HTTP responses due to an incorrect length calculation. A remote attacker can exploit this by sending a specially crafted multipart HTTP response, which can lead to memory corruption. This issue may result in application crashes or arbitrary code execution in applications that process untrusted server responses, and it does not require authentication or user interaction.

CVSS
8.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Weakness (CWE)
CWE-121
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
redhat
NVD analysis
Deferred
Record last updated
Jul 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
from 0:3.6.5-3.el10_1.9 not affected
CNA record
from 0:3.6.5-3.el10_0.14 not affected
CNA record
from 0:2.62.2-11.el7_9 not affected
CNA record
from 0:2.62.3-1.el8_2.8 not affected
CNA record
from 0:2.62.3-2.el8_4.8 not affected
CNA record
from 0:2.62.3-2.el8_6.8 not affected
CNA record
from 0:2.62.3-2.el8_6.8 not affected
CNA record
from 0:2.72.0-8.el9_4.9 not affected
CNA record
from sha256:619c10386e0224e5228876a434c5b8d78d251bc383e2a9491503d6ceddd33c96 not affected
CNA record
from 0:3.6.5-3.el10_1.10 not affected; from 0:3.6.5-3.el10_1.9 not affected
CISA ADP

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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