Vulnerability · Published Sep 20, 2021 · Assigned by mitre
CVE-2021-39515
Medium 6.5
In plain English
A medium-severity security flaw in the libjpeg package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.9%top 41.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function SampleInterleavedLSScan::ParseMCU() located in sampleinterleavedlsscan.cpp. It allows an attacker to cause Denial of Service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libjpeg | 0.0~git20200925.f145908-1 | DEBIAN-CVE-2021-39515 |
| Debian:13 | libjpeg | 0.0~git20200925.f145908-1 | DEBIAN-CVE-2021-39515 |
| Debian:14 | libjpeg | 0.0~git20200925.f145908-1 | DEBIAN-CVE-2021-39515 |
Affected products (as reported)
References
- https://github.com/thorfdbg/libjpeg/issues/37 x_refsource_MISC