libjpeg commit db33a6e was discovered to contain a reachable assertion via BitMapHook::BitMapHook at bitmaphook.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.
Conclusion & alert: CVE-2023-37836 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.09%). 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 | 2025-11-21 | 0.21% | 0.09% | -0.12% |
| 2 | 2025-11-18 | 0.09% | 0.21% | +0.12% |
| 3 | 2025-04-15 | — | 0.09% | — |
Full EPSS history (8 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] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2023-37836 unimportant priority: Debian including 1 source packages (libjpeg), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 3, open 2. | https://security-tracker.debian.org/tracker/CVE-2023-37836 |
ubuntu
|
medium | CVE-2023-37836 medium priority: Ubuntu including 1 source packages (libjpeg), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 8, needs-triage 5. | https://ubuntu.com/security/CVE-2023-37836 |
| URL | Tags |
|---|---|
| https://github.com/thorfdbg/libjpeg/issues/87#BUG1 | Exploit Issue Tracking Patch Third Party Advisory |