Description
id3_utf16_deserialize() in utf16.c in libid3tag through 0.15.1b misparses ID3v2 tags encoded in UTF-16 with an odd number of bytes, triggering an endless loop allocating memory until an OOM condition is reached, leading to denial-of-service (DoS).
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 | libid3tag | 0.15.1b-5 | — |
| Debian 13 | libid3tag | 0.15.1b-5 | — |
| Debian 12 | libid3tag | 0.15.1b-5 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | libid3tag | 0.15.1b-184.3.1 | SUSE-SU-2018:0722-1 |
| SLES 12 SP2 | libid3tag | 0.15.1b-184.3.1 | SUSE-SU-2018:0722-1 |
| SLES 11 SP4 | libid3tag | 0.15.1b-132.3.1 | SUSE-SU-2018:0715-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libid3tag | 0.16.3-7 | — |
| Azure Linux 2 (CBL-Mariner) | libid3tag | No fix yet | — |
Advisories 2
- SUSE-SU-2018:0722-1 Security update for libid3tag SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0715-1 Security update for libid3tag SUSE / openSUSE Security Updates · Feb 4, 2026