Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
CVE Vulnerability Details :
CVE-2026-9529
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-26 May, 2026 | 04:15
Updated At-26 May, 2026 | 12:45
Rejected At-
▼CVE Numbering Authority (CNA)
GNU LibreDWG Dwggrep Utility dwggrep.c match_BLOCK_HEADER null pointer dereference

A security flaw has been discovered in GNU LibreDWG up to 0.14. The affected element is the function match_BLOCK_HEADER of the file dwggrep.c of the component Dwggrep Utility. Performing a manipulation results in null pointer dereference. The attack requires a local approach. The exploit has been released to the public and may be used for attacks.

Affected Products
Vendor
GNUGNU
Product
LibreDWG
CPEs
  • cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*
Modules
  • Dwggrep Utility
Versions
Affected
  • 0.1
  • 0.2
  • 0.3
  • 0.4
  • 0.5
  • 0.6
  • 0.7
  • 0.8
  • 0.9
  • 0.10
  • 0.11
  • 0.12
  • 0.13
  • 0.14
Problem Types
TypeCWE IDDescription
CWECWE-476NULL Pointer Dereference
CWECWE-404Denial of Service
Type: CWE
CWE ID: CWE-476
Description: NULL Pointer Dereference
Type: CWE
CWE ID: CWE-404
Description: Denial of Service
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.13.3LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.03.3LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.01.7N/A
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Version: 3.0
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Version: 2.0
Base score: 1.7
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
pwn3rd (VulDB User)
Timeline
EventDate
Advisory disclosed2026-05-25 00:00:00
VulDB entry created2026-05-25 02:00:00
VulDB entry last update2026-05-25 21:44:07
Event: Advisory disclosed
Date: 2026-05-25 00:00:00
Event: VulDB entry created
Date: 2026-05-25 02:00:00
Event: VulDB entry last update
Date: 2026-05-25 21:44:07
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/365548
vdb-entry
technical-description
https://vuldb.com/vuln/365548/cti
signature
permissions-required
https://vuldb.com/submit/814273
third-party-advisory
https://github.com/LibreDWG/libredwg/issues/1247
issue-tracking
https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg
exploit
https://www.gnu.org/
product
Hyperlink: https://vuldb.com/vuln/365548
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/365548/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/814273
Resource:
third-party-advisory
Hyperlink: https://github.com/LibreDWG/libredwg/issues/1247
Resource:
issue-tracking
Hyperlink: https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg
Resource:
exploit
Hyperlink: https://www.gnu.org/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found