Description
The dec_clnpass function in libjasper/jpc/jpc_t1dec.c in JasPer 1.900.27 allows remote attackers to cause a denial of service (invalid memory write and crash) or possibly have unspecified other impact via a crafted 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.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | jasper | 2.0.14-3.16.1 | SUSE-SU-2020:2689-1 |
| SLES 15 SP1 | jasper | 2.0.14-3.16.1 | SUSE-SU-2020:2689-1 |
| SLES 12 SP5 | jasper | 1.900.14-195.22.1 | SUSE-SU-2020:2690-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | jasper | 1.900.14-195.22.1 | SUSE-SU-2020:2690-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | jasper | 2.0.33-1.2 | openSUSE-SU-2024:10869-1 |
| openSUSE Leap 15.2 | jasper | 2.0.14-lp152.7.3.1 | openSUSE-SU-2020:1523-1 |
| openSUSE Leap 15.1 | jasper | 2.0.14-lp151.4.9.1 | openSUSE-SU-2020:1517-1 |
Advisories 5
- SUSE-SU-2020:2689-1 Security update for jasper SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10869-1 jasper-2.0.33-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2690-1 Security update for jasper SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1517-1 Security update for jasper SUSE / openSUSE Security Updates · May 7, 2025
- openSUSE-SU-2020:1523-1 Security update for jasper SUSE / openSUSE Security Updates · May 7, 2025
References
- https://blogs.gentoo.org/ago/2017/01/16/jasper-invalid-memory-write-in-dec_clnpass-jpc_t1dec-c/
- 95683 vdb-entry
- [oss-security] 20170117 Re: Re: jasper: invalid memory write in dec_clnpass (jpc_t1dec.c) mailing-list
- [oss-security] 20170116 jasper: invalid memory write in dec_clnpass (jpc_t1dec.c) mailing-list
- GLSA-201908-03 vendor-advisory
- openSUSE-SU-2020:1517 vendor-advisory
- openSUSE-SU-2020:1523 vendor-advisory