CVE-2026-112063
CVE-2026-112063 · libstrophe through 0.14.0 Stack-Based Buffer Overflow via SCRAM Salt in SCRAM_Hi
This page contains facts from public vulnerability sources. Check the original advisory before updating.
libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAM_Hi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, aborting the client or overwriting stack memory in NDEBUG builds.
CVSS 6.0 · Medium · EPSS 0.2%
- Published
- Updated
Stack: system
Affected products and versions
libstrophe
- Versions
- ≥ 0, ≤ 0.14.0: Affected (semver)
No fix published
libstrophe Debian:12
- Versions
- 0.12.2-1
- 0.12.3-1
- 0.12.3-1~bpo12+1
- 0.13.0-1
- 0.13.0-1~bpo11+1
- 0.13.0-1~bpo12+1
- 0.13.1-1
- 0.14.0-1
- 0.14.0-2
- 0.14.0-3
- 0.14.0-4
- 0.14.0-4~bpo12+1
- 0.14.0-5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libstrophe Debian:13
- Versions
- 0.14.0-4
- 0.14.0-5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libstrophe Debian:14
- Versions
- 0.14.0-4
- 0.14.0-5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libstrophe Ubuntu:16.04:LTS
- Versions
- 0.8.7-1
- 0.8.8-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libstrophe Ubuntu:18.04:LTS
- Versions
- 0.9.1-1
- 0.9.1-1build1
- 0.9.1+git20170912.6e6093e-1
- 0.9.1+git20170912.6e6093e-2
- 0.9.2-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libstrophe Ubuntu:20.04:LTS
- Versions
- 0.9.2-2
- 0.9.3-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libstrophe Ubuntu:22.04:LTS
- Versions
- 0.10.1-1
- 0.11.0-1
- 0.11.0-1build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libstrophe Ubuntu:24.04:LTS
- Versions
- 0.12.3-1
- 0.13.0-1
- 0.13.0-1build1
- 0.13.0-1build2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libstrophe Ubuntu:26.10
- Versions
- 0.14.0-5build1
- 0.14.0-5build2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libstrophe Ubuntu:26.04:LTS
- Versions
- 0.14.0-5
- 0.14.0-5build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://hackmd.io/@haindpwn/libstrophe-scram-salt-stack-overflow
- https://github.com/strophe/libstrophe/blob/0.14.0/src/scram.c
- https://github.com/strophe/libstrophe/blob/0.14.0/src/sasl.c
- https://www.vulncheck.com/advisories/libstrophe-through-0.14.0-stack-based-buffer-overflow-via-scram-salt-in-scram-hi
- https://nvd.nist.gov/vuln/detail/CVE-2026-112063