HOMEVULNERABILITIESCVE-2022-27135
MEDIUM

CVE-2022-27135

CWE-787Published: April 25, 2022· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

xpdf 4.03 has heap buffer overflow in the function readXRefTable located in XRef.cc. An attacker can exploit this bug to cause a Denial of Service (Segmentation fault) or other unspecified effects by sending a crafted PDF file to the pdftoppm binary.

NVD Source

Technical Analysis

CVE-2022-27135 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

xpdfreader1 product(s)
xpdf
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://forum.xpdfreader.com/viewtopic.php?f=3&t=42232
ADVISORYhttps://github.com/verf1sh/Poc/blob/master/pic_ppm.png
ADVISORYhttps://github.com/verf1sh/Poc/blob/master/poc_ppm
ADVISORYhttps://forum.xpdfreader.com/viewtopic.php?f=3&t=42232
ADVISORYhttps://github.com/verf1sh/Poc/blob/master/pic_ppm.png
ADVISORYhttps://github.com/verf1sh/Poc/blob/master/poc_ppm

All References (6)

→
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42232Exploit · Third Party Advisory
→
https://github.com/verf1sh/Poc/blob/master/pic_ppm.pngThird Party Advisory
→
https://github.com/verf1sh/Poc/blob/master/poc_ppmExploit · Third Party Advisory
→
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42232Exploit · Third Party Advisory
→
https://github.com/verf1sh/Poc/blob/master/pic_ppm.pngThird Party Advisory
→
https://github.com/verf1sh/Poc/blob/master/poc_ppmExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2022-27135
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedApr 25, 2022

Related CVEs (CWE-787)

CVE-2018-17160
10.0
CVE-2019-6235
10.0
CVE-2018-6692
10.0
CVE-2018-2913
10.0
CVE-2018-3991
10.0
CVE-2019-5684
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-27135 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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