Medium severity4.3NVD Advisory· Published May 16, 2025· Updated May 6, 2026
CVE-2025-4476
CVE-2025-4476
Description
A denial-of-service vulnerability has been identified in the libsoup HTTP client library. This flaw can be triggered when a libsoup client receives a 401 (Unauthorized) HTTP response containing a specifically crafted domain parameter within the WWW-Authenticate header. Processing this malformed header can lead to a crash of the client application using libsoup. An attacker could exploit this by setting up a malicious HTTP server. If a user's application using the vulnerable libsoup library connects to this malicious server, it could result in a denial-of-service. Successful exploitation requires tricking a user's client application into connecting to the attacker's malicious server.
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Affected products
37- osv-coords36 versionspkg:rpm/opensuse/libsoup2&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/libsoup2&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/libsoup2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/libsoup&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/libsoup&distro=openSUSE%20Tumbleweedpkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/libsoup2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/libsoup&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/libsoup&distro=SUSE%20Manager%20Server%204.3
< 2.74.3-150600.4.24.1+ 35 more
- (no CPE)range: < 2.74.3-150600.4.24.1
- (no CPE)range: < 2.74.3-160000.4.1
- (no CPE)range: < 2.74.3-15.1
- (no CPE)range: < 3.4.4-150600.3.10.1
- (no CPE)range: < 3.6.5-5.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.3-150600.4.24.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.3-150600.4.24.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.2-150400.3.26.1
- (no CPE)range: < 2.74.3-150600.4.24.1
- (no CPE)range: < 3.0.4-150400.3.10.1
- (no CPE)range: < 3.0.4-150400.3.10.1
- (no CPE)range: < 3.0.4-150400.3.10.1
- (no CPE)range: < 3.0.4-150400.3.10.1
- (no CPE)range: < 2.68.4-150200.4.27.1
- (no CPE)range: < 3.4.4-150600.3.10.1
- (no CPE)range: < 3.4.4-150600.3.10.1
- (no CPE)range: < 2.62.2-5.34.1
- (no CPE)range: < 3.0.4-150400.3.10.1
- (no CPE)range: < 3.0.4-150400.3.10.1
- (no CPE)range: < 3.0.4-150400.3.10.1
- (no CPE)range: < 3.0.4-150400.3.10.1
- (no CPE)range: < 2.62.2-5.34.1
- (no CPE)range: < 3.4.2-8.1
- (no CPE)range: < 3.4.4-slfo.1.1_4.1
- (no CPE)range: < 3.0.4-150400.3.10.1
- (no CPE)range: < 3.0.4-150400.3.10.1
Patches
Vulnerability mechanics
References
3News mentions
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