# CVE-2026-0719: Libsoup: signed to unsigned conversion error leading to stack-based buffer overflow in libsoup ntlm authentication CVE-2026-0719 is fixed in 19 products on 1 platform, first by SUSE-SU-2026:0253-1, released January 22, 2026. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2026-0719 - Priority: High - CVSS: 8.6 (Important) - EPSS: 0.0061 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jan 8, 2026 - Weakness: Stack-based Buffer Overflow - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0719 ## Description The libsoup packages provide an HTTP client and server library for GNOME. Security Fix(es): * libsoup: Signed to Unsigned Conversion Error Leading to Stack-Based Buffer Overflow in libsoup NTLM Authentication (CVE-2026-0719) * libsoup: Stack-Based Buffer Overflow in libsoup Multipart Response Parsingmultipart HTTP response (CVE-2026-1761) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libsoup RHEL 8 | 0:2.62.3-13.el8_10 | [RHSA-2026:2215](https://patchblox.com/security/data/fix/linux/rhsa-2026-2215.md) | Feb 9, 2026 | | Linux | libsoup RHEL 9 | 0:2.72.0-12.el9_7.5 | [RHSA-2026:2216](https://patchblox.com/security/data/fix/linux/rhsa-2026-2216.md) | Feb 9, 2026 | | Linux | libsoup almalinux 8 | 2.62.3-13.el8_10 | [ALSA-2026:2215](https://patchblox.com/security/data/fix/linux/alsa-2026-2215.md) | Feb 9, 2026 | | Linux | libsoup almalinux 9 | 2.72.0-12.el9_7.5 | [ALSA-2026:2216](https://patchblox.com/security/data/fix/linux/alsa-2026-2216.md) | Feb 9, 2026 | | Linux | libsoup amzn 2023 | 2.72.0-6.amzn2023.0.9 | [ALAS2023-2026-1392](https://patchblox.com/security/data/fix/linux/alas2023-2026-1392.md) | Feb 5, 2026 | | Linux | libsoup ol 8 | 0:2.62.3-13.el8_10 | [ELSA-2026-2215](https://patchblox.com/security/data/fix/linux/elsa-2026-2215.md) | Feb 9, 2026 | | Linux | libsoup ol 9 | 0:2.72.0-12.el9_7.5 | [ELSA-2026-2216](https://patchblox.com/security/data/fix/linux/elsa-2026-2216.md) | Feb 9, 2026 | | Linux | libsoup opensuse-leap 15.6 | 3.4.4-150600.3.28.1 | [SUSE-SU-2026:0257-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0257-1.md) | Jan 22, 2026 | | Linux | libsoup opensuse-leap 16.0 | 3.6.5-160000.3.1 | [OPENSUSE-SU-2026:20142-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20142-1.md) | Jan 30, 2026 | | Linux | libsoup rocky 8 | 0:2.62.3-13.el8_10 | [RLSA-2026:2215](https://patchblox.com/security/data/fix/linux/rlsa-2026-2215.md) | Feb 11, 2026 | | Linux | libsoup rocky 9 | 0:2.72.0-12.el9_7.5 | [RLSA-2026:2216](https://patchblox.com/security/data/fix/linux/rlsa-2026-2216.md) | Feb 13, 2026 | | Linux | libsoup sles 15.6 | 3.4.4-150600.3.28.1 | [SUSE-SU-2026:0257-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0257-1.md) | Jan 22, 2026 | | Linux | libsoup sles 15.7 | 3.4.4-150600.3.28.1 | [SUSE-SU-2026:0257-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0257-1.md) | Jan 22, 2026 | | Linux | libsoup sles 16.0 | 3.6.5-160000.3.1 | [SUSE-SU-2026:20212-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20212-1.md) | Jan 30, 2026 | | Linux | libsoup-debuginfo amzn 2023 | 2.72.0-6.amzn2023.0.9 | [ALAS2023-2026-1392](https://patchblox.com/security/data/fix/linux/alas2023-2026-1392.md) | Feb 5, 2026 | | Linux | libsoup-debugsource amzn 2023 | 2.72.0-6.amzn2023.0.9 | [ALAS2023-2026-1392](https://patchblox.com/security/data/fix/linux/alas2023-2026-1392.md) | Feb 5, 2026 | | Linux | libsoup-devel RHEL 8 | 0:2.62.3-13.el8_10 | [RHSA-2026:2215](https://patchblox.com/security/data/fix/linux/rhsa-2026-2215.md) | Feb 9, 2026 | | Linux | libsoup-devel RHEL 9 | 0:2.72.0-12.el9_7.5 | [RHSA-2026:2216](https://patchblox.com/security/data/fix/linux/rhsa-2026-2216.md) | Feb 9, 2026 | | Linux | libsoup-devel almalinux 8 | 2.62.3-13.el8_10 | [ALSA-2026:2215](https://patchblox.com/security/data/fix/linux/alsa-2026-2215.md) | Feb 9, 2026 | | Linux | libsoup-devel almalinux 9 | 2.72.0-12.el9_7.5 | [ALSA-2026:2216](https://patchblox.com/security/data/fix/linux/alsa-2026-2216.md) | Feb 9, 2026 | | Linux | libsoup-devel amzn 2023 | 2.72.0-6.amzn2023.0.9 | [ALAS2023-2026-1392](https://patchblox.com/security/data/fix/linux/alas2023-2026-1392.md) | Feb 5, 2026 | | Linux | libsoup-devel ol 8 | 0:2.62.3-13.el8_10 | [ELSA-2026-2215](https://patchblox.com/security/data/fix/linux/elsa-2026-2215.md) | Feb 9, 2026 | | Linux | libsoup-devel ol 9 | 0:2.72.0-12.el9_7.5 | [ELSA-2026-2216](https://patchblox.com/security/data/fix/linux/elsa-2026-2216.md) | Feb 9, 2026 | | Linux | libsoup-doc amzn 2023 | 2.72.0-6.amzn2023.0.9 | [ALAS2023-2026-1392](https://patchblox.com/security/data/fix/linux/alas2023-2026-1392.md) | Feb 5, 2026 | | Linux | libsoup2 opensuse-leap 15.6 | 2.74.3-150600.4.19.1 | [SUSE-SU-2026:0253-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0253-1.md) | Jan 22, 2026 | | Linux | libsoup2 opensuse-leap 16.0 | 2.74.3-160000.4.1 | [OPENSUSE-SU-2026:20354-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20354-1.md) | Mar 13, 2026 | | Linux | libsoup2 sles 15.6 | 2.74.3-150600.4.19.1 | [SUSE-SU-2026:0253-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0253-1.md) | Jan 22, 2026 | | Linux | libsoup2 sles 15.7 | 2.74.3-150600.4.19.1 | [SUSE-SU-2026:0253-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0253-1.md) | Jan 22, 2026 | | Linux | libsoup3 RHEL 10 | 3.6.5-3.el10_0.14 | [RHSA-2026:2006](https://patchblox.com/security/data/fix/linux/rhsa-2026-2006.md) | Feb 2, 2026 | | Linux | libsoup3 amzn 2023 | 3.6.5-54.amzn2023 | [ALAS2023-2026-1393](https://patchblox.com/security/data/fix/linux/alas2023-2026-1393.md) | Feb 5, 2026 | | Linux | libsoup3 ol 10 | 0:3.6.5-3.el10_1.9 | [ELSA-2026-2182](https://patchblox.com/security/data/fix/linux/elsa-2026-2182.md) | Feb 5, 2026 | | Linux | libsoup3 rocky 10 | 0:3.6.5-3.el10_1.9 | [RLSA-2026:2182](https://patchblox.com/security/data/fix/linux/rlsa-2026-2182.md) | Feb 7, 2026 | | Linux | libsoup3-debuginfo amzn 2023 | 3.6.5-54.amzn2023 | [ALAS2023-2026-1393](https://patchblox.com/security/data/fix/linux/alas2023-2026-1393.md) | Feb 5, 2026 | | Linux | libsoup3-debugsource amzn 2023 | 3.6.5-54.amzn2023 | [ALAS2023-2026-1393](https://patchblox.com/security/data/fix/linux/alas2023-2026-1393.md) | Feb 5, 2026 | | Linux | libsoup3-devel amzn 2023 | 3.6.5-54.amzn2023 | [ALAS2023-2026-1393](https://patchblox.com/security/data/fix/linux/alas2023-2026-1393.md) | Feb 5, 2026 | | Linux | libsoup3-devel ol 10 | 0:3.6.5-3.el10_1.9 | [ELSA-2026-2182](https://patchblox.com/security/data/fix/linux/elsa-2026-2182.md) | Feb 5, 2026 | | Linux | libsoup3-doc almalinux 10 | 3.6.5-3.el10_1.9 | [ALSA-2026:2182](https://patchblox.com/security/data/fix/linux/alsa-2026-2182.md) | Feb 5, 2026 | | Linux | libsoup3-doc amzn 2023 | 3.6.5-54.amzn2023 | [ALAS2023-2026-1393](https://patchblox.com/security/data/fix/linux/alas2023-2026-1393.md) | Feb 5, 2026 | | Linux | libsoup3-doc ol 10 | 0:3.6.5-3.el10_1.9 | [ELSA-2026-2182](https://patchblox.com/security/data/fix/linux/elsa-2026-2182.md) | Feb 5, 2026 | | Linux | mingw-libsoup Fedora 43 | 2.74.3-17.fc43 | [FEDORA-2026-44AF0F2383](https://patchblox.com/security/data/fix/linux/fedora-2026-44af0f2383.md) | Feb 9, 2026 | | Linux | mingw32-libsoup Fedora 43 | 2.74.3-17.fc43 | [FEDORA-2026-44AF0F2383](https://patchblox.com/security/data/fix/linux/fedora-2026-44af0f2383.md) | Feb 9, 2026 | | Linux | mingw32-libsoup-debuginfo Fedora 43 | 2.74.3-17.fc43 | [FEDORA-2026-44AF0F2383](https://patchblox.com/security/data/fix/linux/fedora-2026-44af0f2383.md) | Feb 9, 2026 | | Linux | mingw64-libsoup Fedora 43 | 2.74.3-17.fc43 | [FEDORA-2026-44AF0F2383](https://patchblox.com/security/data/fix/linux/fedora-2026-44af0f2383.md) | Feb 9, 2026 | | Linux | mingw64-libsoup-debuginfo Fedora 43 | 2.74.3-17.fc43 | [FEDORA-2026-44AF0F2383](https://patchblox.com/security/data/fix/linux/fedora-2026-44af0f2383.md) | Feb 9, 2026 | | Linux | spice-client-win rocky 8 | 0:8.10-7.el8_10 | [RLSA-2026:2214](https://patchblox.com/security/data/fix/linux/rlsa-2026-2214.md) | Feb 11, 2026 | | Linux | spice-client-win-x64 RHEL 8 | 0:8.10-7.el8_10 | [RHSA-2026:2214](https://patchblox.com/security/data/fix/linux/rhsa-2026-2214.md) | Feb 9, 2026 | | Linux | spice-client-win-x86 RHEL 8 | 0:8.10-7.el8_10 | [RHSA-2026:2214](https://patchblox.com/security/data/fix/linux/rhsa-2026-2214.md) | Feb 9, 2026 | --- Data as of 2026-11-08T00:53:09Z UTC. 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