Description
TeX Live 944e257 allows a NULL pointer dereference in texk/web2c/pdftexdir/tounicode.c. NOTE: this is disputed because it should be categorized as a usability problem.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | texlive-bin | No fix yet | — |
| Debian 13 | texlive-bin | No fix yet | — |
| Debian 12 | texlive-bin | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | texlive | 2021.20210325-150600.38.3.1 | SUSE-SU-2026:3628-1 |
| SLES 15 SP5 | texlive | 2021.20210325-150400.31.6.4 | SUSE-SU-2024:1310-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | texlive | 2021.20210325-150400.31.6.4 | SUSE-SU-2024:1310-1 |
Advisories 2
- SUSE-SU-2026:3628-1 Security update for texlive SUSE / openSUSE Security Updates · Aug 18, 2026
- SUSE-SU-2024:1310-1 Security update for texlive SUSE / openSUSE Security Updates · Feb 4, 2026