Medium severity4.5NVD Advisory· Published Aug 20, 2025· Updated Jun 30, 2026
CVE-2025-4877
CVE-2025-4877
Description
There's a vulnerability in the libssh package where when a libssh consumer passes in an unexpectedly large input buffer to ssh_get_fingerprint_hash() function. In such cases the bin_to_base64() function can experience an integer overflow leading to a memory under allocation, when that happens it's possible that the program perform out of bounds write leading to a heap corruption. This issue affects only 32-bits builds of libssh.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
32- osv-coords30 versionspkg:rpm/almalinux/libsshpkg:rpm/almalinux/libssh-configpkg:rpm/almalinux/libssh-develpkg:rpm/opensuse/libssh&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/libssh&distro=openSUSE%20Tumbleweedpkg:rpm/suse/libssh&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/libssh&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/libssh&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/libssh&distro=SUSE%20Manager%20Server%204.3
< 0.10.4-18.el9+ 29 more
- (no CPE)range: < 0.10.4-18.el9
- (no CPE)range: < 0.10.4-18.el9
- (no CPE)range: < 0.10.4-18.el9
- (no CPE)range: < 0.9.8-150600.11.3.1
- (no CPE)range: < 0.11.2-1.1
- (no CPE)range: < 0.9.8-150200.13.9.1
- (no CPE)range: < 0.9.8-150200.13.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150200.13.9.1
- (no CPE)range: < 0.9.8-150200.13.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150600.11.3.1
- (no CPE)range: < 0.9.8-150600.11.3.1
- (no CPE)range: < 0.9.8-3.15.1
- (no CPE)range: < 0.9.8-150200.13.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-3.15.1
- (no CPE)range: < 0.9.8-150200.13.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.10.6-2.1
- (no CPE)range: < 0.10.6-slfo.1.1_2.1
- (no CPE)range: < 0.9.8-150400.3.9.1
- (no CPE)range: < 0.9.8-150400.3.9.1
Patches
Vulnerability mechanics
References
5News mentions
0No linked articles in our index yet.