CVE-2025-46420

libsoup-2.4-1: A flaw was found in libsoup

CVE-2025-46420 is fixed in 20 products on 1 platform, first by ALAS2023-2025-941, released April 23, 2025. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
9.0
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0059
48th percentile

A flaw was found in libsoup. It is vulnerable to memory leaks in the soup_header_parse_quality_list() function when parsing a quality list that contains elements with all zeroes.

Where it's fixed

ProductFixed inFixReleased
Linux
gir1.2-soup-2.4 · Ubuntu 18.04.6 LTS (bionic) 2.62.1-1ubuntu0.4+esm2 gir1.2-soup-2.4 2.62.1-1ubuntu0.4+esm2 Apr 24, 2025
gir1.2-soup-2.4 · Ubuntu 20.04 LTS (focal) 2.70.0-1ubuntu0.3 gir1.2-soup-2.4 2.70.0-1ubuntu0.3 Apr 24, 2025
gir1.2-soup-2.4 · Ubuntu 22.04.1 LTS (jammy) 2.74.2-3ubuntu0.3 gir1.2-soup-2.4 2.74.2-3ubuntu0.3 Apr 24, 2025
gir1.2-soup-2.4 · Ubuntu 24.04.5 LTS (noble) 2.74.3-6ubuntu1.3 gir1.2-soup-2.4 2.74.3-6ubuntu1.3 Apr 24, 2025
gir1.2-soup-2.4 · Ubuntu 24.10 (oracular) 2.74.3-7ubuntu0.3 gir1.2-soup-2.4 2.74.3-7ubuntu0.3 Jan 16, 2026
gir1.2-soup-2.4 · Ubuntu 25.04 (plucky) 2.74.3-10ubuntu0.1 gir1.2-soup-2.4 2.74.3-10ubuntu0.1 Jan 16, 2026
gir1.2-soup-3.0 · Ubuntu 22.04.1 LTS (jammy) 3.0.7-0ubuntu1+esm3 gir1.2-soup-3.0 3.0.7-0ubuntu1+esm3 Apr 24, 2025
gir1.2-soup-3.0 · Ubuntu 24.04.5 LTS (noble) 3.4.4-5ubuntu0.3 gir1.2-soup-3.0 3.4.4-5ubuntu0.3 Apr 24, 2025
gir1.2-soup-3.0 · Ubuntu 24.10 (oracular) 3.6.0-2ubuntu0.3 gir1.2-soup-3.0 3.6.0-2ubuntu0.3 Jan 16, 2026
libsoup · RHEL 8 0:2.62.3-8.el8_10 RHSA-2025:4560 May 6, 2025
libsoup · RHEL 9 0:2.72.0-10.el9_6.1 RHSA-2025:7436 May 13, 2025
libsoup · almalinux 8 2.62.3-8.el8_10 ALSA-2025:4560 May 6, 2025
libsoup · almalinux 9 2.72.0-10.el9_6.1 ALSA-2025:7436 May 13, 2025
libsoup · ol 8 0:2.62.3-8.el8_10 ELSA-2025-4560 May 6, 2025
libsoup · ol 9 0:2.72.0-10.el9_6.1 ELSA-2025-7436 May 22, 2025
libsoup · opensuse-leap 15.6 3.4.4-150600.3.7.1 SUSE-SU-2025:1504-1 May 7, 2025
libsoup · rocky 8 0:2.62.3-8.el8_10 RLSA-2025:4560 Jul 29, 2025
libsoup · sles 15.6 3.4.4-150600.3.7.1 SUSE-SU-2025:1504-1 May 7, 2025
libsoup · sles 15.7 3.4.4-150600.3.7.1 SUSE-SU-2025:01504-1 May 29, 2025
libsoup-2.4-1 · Ubuntu 24.04.5 LTS (noble) 2.74.3-6ubuntu1.3 libsoup-2.4-1 2.74.3-6ubuntu1.3 Apr 24, 2025
libsoup-2.4-1 · Ubuntu 24.10 (oracular) 2.74.3-7ubuntu0.3 libsoup-2.4-1 2.74.3-7ubuntu0.3 Jan 16, 2026
libsoup-2.4-1 · Ubuntu 25.04 (plucky) 2.74.3-10ubuntu0.1 libsoup-2.4-1 2.74.3-10ubuntu0.1 Jan 16, 2026
libsoup-3.0-0 · Ubuntu 22.04.1 LTS (jammy) 3.0.7-0ubuntu1+esm3 libsoup-3.0-0 3.0.7-0ubuntu1+esm3 Apr 24, 2025
libsoup-3.0-0 · Ubuntu 24.04.5 LTS (noble) 3.4.4-5ubuntu0.3 libsoup-3.0-0 3.4.4-5ubuntu0.3 Apr 24, 2025
libsoup-3.0-0 · Ubuntu 24.10 (oracular) 3.6.0-2ubuntu0.3 libsoup-3.0-0 3.6.0-2ubuntu0.3 Jan 16, 2026
libsoup-3.0-common · Ubuntu 22.04.1 LTS (jammy) 3.0.7-0ubuntu1+esm3 libsoup-3.0-common 3.0.7-0ubuntu1+esm3 Apr 24, 2025
libsoup-3.0-common · Ubuntu 24.04.5 LTS (noble) 3.4.4-5ubuntu0.3 libsoup-3.0-common 3.4.4-5ubuntu0.3 Apr 24, 2025
libsoup-3.0-common · Ubuntu 24.10 (oracular) 3.6.0-2ubuntu0.3 libsoup-3.0-common 3.6.0-2ubuntu0.3 Jan 16, 2026
libsoup-3.0-tests · Ubuntu 22.04.1 LTS (jammy) 3.0.7-0ubuntu1+esm3 libsoup-3.0-tests 3.0.7-0ubuntu1+esm3 Apr 24, 2025
libsoup-3.0-tests · Ubuntu 24.04.5 LTS (noble) 3.4.4-5ubuntu0.3 libsoup-3.0-tests 3.4.4-5ubuntu0.3 Apr 24, 2025
libsoup-3.0-tests · Ubuntu 24.10 (oracular) 3.6.0-2ubuntu0.3 libsoup-3.0-tests 3.6.0-2ubuntu0.3 Jan 16, 2026
libsoup-devel · RHEL 8 0:2.62.3-8.el8_10 RHSA-2025:4560 May 6, 2025
libsoup-devel · RHEL 9 0:2.72.0-10.el9_6.1 RHSA-2025:7436 May 13, 2025
libsoup-devel · almalinux 8 2.62.3-8.el8_10 ALSA-2025:4560 May 6, 2025
libsoup-devel · almalinux 9 2.72.0-10.el9_6.1 ALSA-2025:7436 May 13, 2025
libsoup-devel · ol 8 0:2.62.3-8.el8_10 ELSA-2025-4560 May 6, 2025
libsoup-devel · ol 9 0:2.72.0-10.el9_6.1 ELSA-2025-7436 May 22, 2025
libsoup-gnome-2.4-1 · Ubuntu 24.04.5 LTS (noble) 2.74.3-6ubuntu1.3 libsoup-gnome-2.4-1 2.74.3-6ubuntu1.3 Apr 24, 2025
libsoup-gnome-2.4-1 · Ubuntu 24.10 (oracular) 2.74.3-7ubuntu0.3 libsoup-gnome-2.4-1 2.74.3-7ubuntu0.3 Jan 16, 2026
libsoup-gnome-2.4-1 · Ubuntu 25.04 (plucky) 2.74.3-10ubuntu0.1 libsoup-gnome-2.4-1 2.74.3-10ubuntu0.1 Jan 16, 2026
libsoup-gnome2.4-1 · Ubuntu 18.04.6 LTS (bionic) 2.62.1-1ubuntu0.4+esm2 libsoup-gnome2.4-1 2.62.1-1ubuntu0.4+esm2 Apr 24, 2025
libsoup-gnome2.4-1 · Ubuntu 20.04 LTS (focal) 2.70.0-1ubuntu0.3 libsoup-gnome2.4-1 2.70.0-1ubuntu0.3 Apr 24, 2025
libsoup-gnome2.4-1 · Ubuntu 22.04.1 LTS (jammy) 2.74.2-3ubuntu0.3 libsoup-gnome2.4-1 2.74.2-3ubuntu0.3 Apr 24, 2025
libsoup2 · opensuse-leap 15.6 2.74.3-150600.4.6.1 SUSE-SU-2025:1503-1 May 7, 2025
libsoup2 · sles 15.6 2.74.3-150600.4.6.1 SUSE-SU-2025:1503-1 May 7, 2025
libsoup2 · sles 15.7 2.74.3-150600.4.6.1 SUSE-SU-2025:01503-1 May 29, 2025
libsoup2.4 · Debian 13.5 (trixie) 2.74.3-10.1 DEBIAN-CVE-2025-46420 Apr 24, 2025
libsoup2.4-1 · Ubuntu 18.04.6 LTS (bionic) 2.62.1-1ubuntu0.4+esm2 libsoup2.4-1 2.62.1-1ubuntu0.4+esm2 Apr 24, 2025
libsoup2.4-1 · Ubuntu 20.04 LTS (focal) 2.70.0-1ubuntu0.3 libsoup2.4-1 2.70.0-1ubuntu0.3 Apr 24, 2025
libsoup2.4-1 · Ubuntu 22.04.1 LTS (jammy) 2.74.2-3ubuntu0.3 libsoup2.4-1 2.74.2-3ubuntu0.3 Apr 24, 2025
libsoup2.4-common · Ubuntu 22.04.1 LTS (jammy) 2.74.2-3ubuntu0.3 libsoup2.4-common 2.74.2-3ubuntu0.3 Apr 24, 2025
libsoup2.4-common · Ubuntu 24.04.5 LTS (noble) 2.74.3-6ubuntu1.3 libsoup2.4-common 2.74.3-6ubuntu1.3 Apr 24, 2025
libsoup2.4-common · Ubuntu 24.10 (oracular) 2.74.3-7ubuntu0.3 libsoup2.4-common 2.74.3-7ubuntu0.3 Jan 16, 2026
libsoup2.4-common · Ubuntu 25.04 (plucky) 2.74.3-10ubuntu0.1 libsoup2.4-common 2.74.3-10ubuntu0.1 Jan 16, 2026
libsoup2.4-tests · Ubuntu 20.04 LTS (focal) 2.70.0-1ubuntu0.3 libsoup2.4-tests 2.70.0-1ubuntu0.3 Apr 24, 2025
libsoup2.4-tests · Ubuntu 22.04.1 LTS (jammy) 2.74.2-3ubuntu0.3 libsoup2.4-tests 2.74.2-3ubuntu0.3 Apr 24, 2025
libsoup2.4-tests · Ubuntu 24.04.5 LTS (noble) 2.74.3-6ubuntu1.3 libsoup2.4-tests 2.74.3-6ubuntu1.3 Apr 24, 2025
libsoup2.4-tests · Ubuntu 24.10 (oracular) 2.74.3-7ubuntu0.3 libsoup2.4-tests 2.74.3-7ubuntu0.3 Jan 16, 2026
libsoup2.4-tests · Ubuntu 25.04 (plucky) 2.74.3-10ubuntu0.1 libsoup2.4-tests 2.74.3-10ubuntu0.1 Jan 16, 2026
libsoup3 · Debian 12.15 (bookworm) 3.2.3-0+deb12u1 DEBIAN-CVE-2025-46420 Apr 24, 2025
libsoup3 · Debian 13.5 (trixie) 3.6.4-1 DEBIAN-CVE-2025-46420 Apr 24, 2025
libsoup3 · amzn 2023 3.6.5-47.amzn2023 ALAS2023-2025-941 Apr 23, 2025
libsoup3-debuginfo · amzn 2023 3.6.5-47.amzn2023 ALAS2023-2025-941 Apr 23, 2025
libsoup3-debugsource · amzn 2023 3.6.5-47.amzn2023 ALAS2023-2025-941 Apr 23, 2025
libsoup3-devel · amzn 2023 3.6.5-47.amzn2023 ALAS2023-2025-941 Apr 23, 2025
libsoup3-doc · amzn 2023 3.6.5-47.amzn2023 ALAS2023-2025-941 Apr 23, 2025

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