Description
An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Flexera Software | libexif | 0.6.21 | — |
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 | 0.6.21-5.1 | — |
| Debian 13 | libexif | 0.6.21-5.1 | — |
| Debian 12 | libexif | 0.6.21-5.1 | — |
| Debian 8 | libexif | 0.6.21-2+deb8u2 | DLA-2222-1, DLA-2214-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libexif | 0.6.21-6ubuntu0.1 | USN-4358-1 |
| Ubuntu 18.04 LTS | libexif | 0.6.21-4ubuntu0.2 | USN-4358-1 |
| Ubuntu 16.04 LTS | libexif | 0.6.21-2ubuntu0.2 | USN-4358-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libexif | 0.6.21-1ubuntu1+esm2 | USN-4358-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | libexif | 0.6.22-5.6.1 | SUSE-SU-2020:1553-2 |
| SLES 15 SP1 | libexif | 0.6.21-5.3.1 | SUSE-SU-2020:1553-2, SUSE-SU-2020:1553-1, SUSE-SU-2020:0458-1 |
| SLES 15 | libexif | 0.6.21-5.3.1 | SUSE-SU-2020:0458-1 |
| SLES 12 SP5 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SLES 12 SP4 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SLES 12 SP2 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SLES 12 SP1 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SLES 11 SP4 | libexif | 0.6.17-2.14.7.2 | SUSE-SU-2020:14294-1 |
| SLES for SAP 12 SP5 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SLES for SAP 12 SP4 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SLES for SAP 12 SP3 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SLES for SAP 12 SP2 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SLES for SAP 12 SP1 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SUSE OpenStack Cloud Crowbar 8 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SUSE OpenStack Cloud 8 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SUSE OpenStack Cloud 7 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | libexif | 0.6.17-2.14.7.2 | SUSE-SU-2020:14294-1 |
| SUSE HPE Helion OpenStack 8 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
| SUSE Enterprise Storage 5 | libexif | 0.6.21-8.6.1 | SUSE-SU-2020:1534-1, SUSE-SU-2020:0457-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libexif | 0.6.23-1.2 | openSUSE-SU-2024:10939-1 |
| openSUSE Leap 15.1 | libexif | 0.6.21-lp151.4.3.1 | openSUSE-SU-2020:0793-1, openSUSE-SU-2020:0264-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libexif | 0.6.22-r0 | — |
| Alpine v3.23 | libexif | 0.6.22-r0 | — |
| Alpine v3.22 | libexif | 0.6.22-r0 | — |
| Alpine v3.21 | libexif | 0.6.22-r0 | — |
| Alpine v3.20 | libexif | 0.6.22-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libexif | 0.6.22-r0 | — |
| Alpine v3.18 | libexif | 0.6.22-r0 | — |
| Alpine v3.17 | libexif | 0.6.22-r0 | — |
| Alpine v3.16 | libexif | 0.6.22-r0 | — |
| Alpine v3.15 | libexif | 0.6.22-r0 | — |
| Alpine v3.14 | libexif | 0.6.22-r0 | — |
| Alpine v3.13 | libexif | 0.6.22-r0 | — |
| Alpine v3.12 | libexif | 0.6.22-r0 | — |
| Alpine v3.11 | libexif | 0.6.22-r0 | — |
| Alpine v3.10 | libexif | 0.6.22-r0 | — |
| Alpine v3.9 | libexif | 0.6.22-r0 | — |
| Alpine v3.8 | libexif | 0.6.22-r0 | — |
Advisories 12
- USN-4358-1 libexif vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-2214-1 libexif - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2222-1 libexif - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2020:0457-1 Security update for libexif SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0264-1 Security update for libexif SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0458-1 Security update for libexif SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10939-1 libexif-devel-0.6.23-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1534-1 Security update for libexif SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1553-2 Security update for libexif SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1553-1 Security update for libexif SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0793-1 Security update for libexif SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:14294-1 Security update for libexif SUSE / openSUSE Security Updates · May 2, 2025
References
- https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89
- https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/
- openSUSE-SU-2020:0264 vendor-advisory
- [debian-lts-announce] 20200518 [SECURITY] [DLA 2214-1] libexif security update mailing-list
- USN-4358-1 vendor-advisory
- [debian-lts-announce] 20200528 [SECURITY] [DLA 2222-1] libexif security update mailing-list
- openSUSE-SU-2020:0793 vendor-advisory