Vulnerability · Published Jun 24, 2021 · Assigned by fedora
CVE-2021-32493
High 7.8
In plain English
A high-severity memory corruption in djvulibre. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.0%top 38.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in djvulibre-3.5.28 and earlier. A heap buffer overflow in function DJVU::GBitmap::decode() via crafted djvu file may lead to application crash and other consequences.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | djvulibre | 3.5.28-r1 | ALPINE-CVE-2021-32493 |
| Alpine:v3.21 | djvulibre | 3.5.28-r1 | ALPINE-CVE-2021-32493 |
| Alpine:v3.22 | djvulibre | 3.5.28-r1 | ALPINE-CVE-2021-32493 |
| Alpine:v3.23 | djvulibre | 3.5.28-r1 | ALPINE-CVE-2021-32493 |
| Alpine:v3.24 | djvulibre | 3.5.28-r1 | ALPINE-CVE-2021-32493 |
| Debian:12 | djvulibre | 3.5.28-2 | DEBIAN-CVE-2021-32493 |
| Debian:13 | djvulibre | 3.5.28-2 | DEBIAN-CVE-2021-32493 |
| Debian:14 | djvulibre | 3.5.28-2 | DEBIAN-CVE-2021-32493 |
Affected products (as reported)
Weakness: CWE-119
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1943690 x_refsource_MISC
- DSA-5032 vendor-advisory, x_refsource_DEBIAN