| Name | CVE-2025-15281 |
| Description | Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2.0 to version 2.42 may cause the interface to return uninitialized memory in the we_wordv member, which on subsequent calls to wordfree may abort the process. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1126266 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| glibc (PTS) | bullseye | 2.31-13+deb11u11 | vulnerable |
| bullseye (security) | 2.31-13+deb11u13 | vulnerable |
| bookworm | 2.36-9+deb12u13 | vulnerable |
| bookworm (security) | 2.36-9+deb12u7 | vulnerable |
| trixie | 2.41-12+deb13u1 | vulnerable |
| forky | 2.42-11 | fixed |
| sid | 2.42-12 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| glibc | source | (unstable) | 2.42-11 | | | 1126266 |
Notes
[trixie] - glibc <no-dsa> (Minor issue)
[bookworm] - glibc <no-dsa> (Minor issue)
[bullseye] - glibc <postponed> (Minor issue, unlikely scenario)
https://www.openwall.com/lists/oss-security/2026/01/20/3
Introduced with: https://sourceware.org/git/?p=glibc.git;a=commit;h=8f2ece695d8822e9ecc63ecd157e90bf17a6fe65 (glibc-2.0.92)
Fixed by: https://sourceware.org/git/?p=glibc.git;a=commit;h=80cc58ea2de214f85b0a1d902a3b668ad2ecb302 (glibc-2.43)