There is an assertion failure in SingleComponentLSScan::ParseMCU in singlecomponentlsscan.cpp in libjpeg before 1.64 via an empty JPEG-LS scan.
Conclusion & alert: CVE-2022-32978 is rated Exploit Available (56.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.23%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-06-22 | 0.36% | 0.23% | -0.14% |
| 2 | 2025-06-12 | 0.10% | 0.36% | +0.26% |
| 3 | 2025-03-30 | — | 0.10% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2022-32978 unimportant priority: Debian including 1 source packages (libjpeg), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2022-32978 |
ubuntu
|
low | CVE-2022-32978 low priority: Ubuntu including 4 source packages (libjpeg, libjpeg-turbo, libjpeg6b, libjpeg9), 53 status rows across 14 suites (bionic, focal, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 40, ignored 7, needs-triage 5, DNE 1. | https://ubuntu.com/security/CVE-2022-32978 |
| URL | Tags |
|---|---|
| https://github.com/thorfdbg/libjpeg/commit/4746b577931e926a49e50de9720a4946de3069a7 | Patch Third Party Advisory |
| https://github.com/thorfdbg/libjpeg/issues/75 | Exploit Issue Tracking Third Party Advisory |