Upstream information

CVE-2025-48172 at MITRE

Description

CHMLib through 2bef8d0, as used in SumatraPDF and other products, has a chm_lib.c _chm_decompress_block integer overflow. There is a resultant heap-based buffer overflow in _chm_fetch_bytes.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
  CNA (MITRE) SUSE
Base Score 5.6 7
Vector CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local Local
Attack Complexity High High
Privileges Required None None
User Interaction None Required
Scope Changed Unchanged
Confidentiality Impact Low High
Integrity Impact Low High
Availability Impact Low High
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
  SUSE
Base Score 7.3
Vector CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Attack Vector Local
Attack Complexity Low
Attack Requirements Present
Privileges Required None
User Interaction Passive
Vulnerable System Confidentiality Impact High
Vulnerable System Integrity Impact High
Vulnerable System Availability Impact High
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1245803 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP6
  • chmlib-devel >= 0.40-bp156.5.3.1
  • chmlib-devel-32bit >= 0.40-bp156.5.3.1
  • chmlib-devel-64bit >= 0.40-bp156.5.3.1
  • chmlib-examples >= 0.40-bp156.5.3.1
  • libchm0 >= 0.40-bp156.5.3.1
  • libchm0-32bit >= 0.40-bp156.5.3.1
  • libchm0-64bit >= 0.40-bp156.5.3.1
 Patchnames:
openSUSE-2025-244
openSUSE Leap 15.6
  • chmlib-devel >= 0.40-bp156.5.3.1
  • chmlib-devel-32bit >= 0.40-bp156.5.3.1
  • chmlib-devel-64bit >= 0.40-bp156.5.3.1
  • chmlib-examples >= 0.40-bp156.5.3.1
  • libchm0 >= 0.40-bp156.5.3.1
  • libchm0-32bit >= 0.40-bp156.5.3.1
  • libchm0-64bit >= 0.40-bp156.5.3.1
 Patchnames:
openSUSE-2025-244
openSUSE Tumbleweed
  • chmlib-devel >= 0.40-26.1
  • chmlib-examples >= 0.40-26.1
  • libchm0 >= 0.40-26.1
 Patchnames:
openSUSE-Tumbleweed-2025-15326

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Package Hub 15 SP6 chmlib Released
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Desktop 11 SP2 chmlib Affected
SUSE Linux Enterprise Desktop 11 SP3 chmlib Affected
SUSE Linux Enterprise Desktop 11 SP4 chmlib Affected
SUSE Linux Enterprise Point of Sale 11 SP3 chmlib Affected
SUSE Linux Enterprise Server 11 SP1-LTSS chmlib Affected
SUSE Linux Enterprise Server 11 SP2 chmlib Affected
SUSE Linux Enterprise Server 11 SP2-LTSS chmlib Affected
SUSE Linux Enterprise Server 11 SP3 chmlib Affected
SUSE Linux Enterprise Server 11 SP3-LTSS chmlib Affected
SUSE Linux Enterprise Server 11 SP4 chmlib Affected
SUSE Linux Enterprise Server 11 SP4 LTSS chmlib Affected
SUSE Linux Enterprise Server 11 SP4-LTSS chmlib Affected
SUSE Linux Enterprise Server for SAP Applications 11 SP2 chmlib Affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 chmlib Affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4 chmlib Affected
SUSE Linux Enterprise Software Development Kit 11 SP2 chmlib Affected
SUSE Linux Enterprise Software Development Kit 11 SP3 chmlib Affected
SUSE Linux Enterprise Software Development Kit 11 SP4 chmlib Affected

SUSE Timeline for this CVE

CVE page created: Fri Jul 4 18:00:27 2025
CVE page last modified: Wed Aug 6 16:33:32 2025