Buffer overflow in Red Hat Enterprise Linux 10
CVE-2026-1761
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.
EPSS exploit prediction
EPSS: 0.010 (61.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.001
Affected products
- Red Hat Enterprise Linux 10 — versions 0:3.6.5-3.el10_1.9, 0:3.6.5-3.el10_1.10
- Red Hat Enterprise Linux 10.0 Extended Update Support — versions 0:3.6.5-3.el10_0.14
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7 Extended Lifecycle Support — versions 0:2.62.2-11.el7_9
- Red Hat Enterprise Linux 8 — versions 0:8.10-7, 0:2.62.3-13.el8_10
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 0:2.62.3-1.el8_2.8, 0:8.10-7.el8_2.1
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 0:2.62.3-2.el8_4.8, 0:8.10-7.el8_4.1
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On — versions 0:2.62.3-2.el8_4.8, 0:8.10-7.el8_4.1
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support — versions 0:2.62.3-2.el8_6.8, 0:8.10-7.el8_6.1
- Red Hat Enterprise Linux 8.6 Telecommunications Update Service — versions 0:2.62.3-2.el8_6.8, 0:8.10-7.el8_6.1
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2026:1948 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2005 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2006 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2007 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2008 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2049 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2182 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2214 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2215 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2216 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-1761?
- CVE-2026-1761 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Stack-based Buffer Overflow. CVSS score: 8.6/10. Published 2026-02-02.
- How severe is CVE-2026-1761?
- High severity. CVSS v3 base score is 8.6 out of 10.