Description
Off-by-one error in the exif_convert_utf16_to_utf8 function in exif-entry.c in the EXIF Tag Parsing Library (aka libexif) before 0.6.21 allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted EXIF tags in an image.
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 | libexif | 0.6.20-3 | — |
| Debian 13 | libexif | 0.6.20-3 | — |
| Debian 12 | libexif | 0.6.20-3 | — |
| Debian 6.0 | libexif | 0.6.19-1+squeeze1 | DSA-2559-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | libexif +1 | 0.6.21-5.el6_3 | RHSA-2012:1255 |
| RHEL 5 | libexif +1 | 0.6.21-1.el5_8 | RHSA-2012:1255 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libexif | 0.6.21-10.8 | openSUSE-SU-2024:10510-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libexif | 0.6.21-r0 | — |
| Alpine v3.23 | libexif | 0.6.21-r0 | — |
| Alpine v3.22 | libexif | 0.6.21-r0 | — |
| Alpine v3.21 | libexif | 0.6.21-r0 | — |
| Alpine v3.20 | libexif | 0.6.21-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libexif | 0.6.21-r0 | — |
| Alpine v3.18 | libexif | 0.6.21-r0 | — |
| Alpine v3.17 | libexif | 0.6.21-r0 | — |
| Alpine v3.16 | libexif | 0.6.21-r0 | — |
| Alpine v3.15 | libexif | 0.6.21-r0 | — |
| Alpine v3.14 | libexif | 0.6.21-r0 | — |
| Alpine v3.13 | libexif | 0.6.21-r0 | — |
| Alpine v3.12 | libexif | 0.6.21-r0 | — |
| Alpine v3.11 | libexif | 0.6.21-r0 | — |
| Alpine v3.10 | libexif | 0.6.21-r0 | — |
| Alpine v3.9 | libexif | 0.6.21-r0 | — |
| Alpine v3.8 | libexif | 0.6.21-r0 | — |
Advisories 3
- RHSA-2012:1255 Red Hat Security Advisory: libexif security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2559-1 libexif - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10510-1 libexif-devel-0.6.21-10.8 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 54437 vdb-entry
- DSA-2559 vendor-advisory
- SUSE-SU-2012:0903 vendor-advisory
- [libexif-devel] 20120712 libexif project security advisory July 12, 2012 mailing-list
- 49988 third-party-advisory
- RHSA-2012:1255 vendor-advisory
- USN-1513-1 vendor-advisory