CVE-2021-36493 json
Buffer Overflow vulnerability in pdfimages in xpdf 4.03 allows attackers to crash the application via crafted command.
published 3y ago modified 4mo ago also EUVD-2021-23095
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
Buffer Overflow vulnerability in pdfimages in xpdf 4.03 allows attackers to crash the application via crafted command.
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What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2021-36493 updated cvss 6.2
xpdf: Buffer Overflow vulnerability in pdfimages
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- forum.xpdfreader.com https://forum.xpdfreader.com/viewtopic.php?f=3&t=42160 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
forum.xpdfreader.com
/viewtopic.php?f=3&t=42160
exploit, vendor-advisory
Sources
- CVE List CVE-2021-36493
- NVD CVE-2021-36493
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