Vulnerability Details : CVE-2021-32493
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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-32493
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:djvulibre_project:djvulibre:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32493
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32493
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-32493
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: patrick@puiterwijk.org (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-32493
-
https://bugzilla.redhat.com/show_bug.cgi?id=1943690
1943690 – (CVE-2021-32493) CVE-2021-32493 djvulibre: Heap buffer overflow in function DJVU::GBitmap::decode() via crafted djvu fileIssue Tracking;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-5032
Debian -- Security Information -- DSA-5032-1 djvulibreThird Party Advisory
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