CVE-2026-93314: Integer Overflow in Freedesktop Poppler
CVE-2026-93314 is an integer overflow vulnerability in Freedesktop Poppler version 26.07.0. It affects the function FoFiTrueType::mapCodeToGID in the source file fofi/FoFiTrueType.cc. The vulnerability arises from improper handling of the argument segCnt, which can be manipulated to cause an integer overflow. This flaw can be exploited remotely and the exploit code has been publicly disclosed. A patch identified by commit ed2a5538cf0a8d3ff908191eda9b73f91a5f952a is available to address this issue.
AI Analysis
Technical Summary
The vulnerability in Poppler 26.07.0 involves an integer overflow in the FoFiTrueType::mapCodeToGID function due to manipulation of the segCnt argument. This can lead to unexpected behavior or potential security issues when processing TrueType font data. The vulnerability is remotely exploitable and public exploit code exists. A patch has been created (commit ed2a5538cf0a8d3ff908191eda9b73f91a5f952a) to fix the issue.
Potential Impact
Successful exploitation of this integer overflow could allow an attacker to cause a denial of service or potentially execute arbitrary code, depending on how the overflow is leveraged. The vulnerability is remotely exploitable without privileges and requires user interaction. The CVSS 4.0 base score is 5.3 (medium severity), reflecting limited impact and complexity.
Mitigation Recommendations
A patch identified by commit ed2a5538cf0a8d3ff908191eda9b73f91a5f952a is available and should be applied to correct this vulnerability. Users of Poppler version 26.07.0 are advised to update to a fixed version incorporating this patch. No vendor advisory content is provided, so check the official Freedesktop Poppler project resources for the patch availability and integration status.
CVE-2026-93314: Integer Overflow in Freedesktop Poppler
Description
CVE-2026-93314 is an integer overflow vulnerability in Freedesktop Poppler version 26.07.0. It affects the function FoFiTrueType::mapCodeToGID in the source file fofi/FoFiTrueType.cc. The vulnerability arises from improper handling of the argument segCnt, which can be manipulated to cause an integer overflow. This flaw can be exploited remotely and the exploit code has been publicly disclosed. A patch identified by commit ed2a5538cf0a8d3ff908191eda9b73f91a5f952a is available to address this issue.
CVSS v4.0
Score 5.3medium
Affected software
Freedesktop
Poppler
cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in Poppler 26.07.0 involves an integer overflow in the FoFiTrueType::mapCodeToGID function due to manipulation of the segCnt argument. This can lead to unexpected behavior or potential security issues when processing TrueType font data. The vulnerability is remotely exploitable and public exploit code exists. A patch has been created (commit ed2a5538cf0a8d3ff908191eda9b73f91a5f952a) to fix the issue.
Potential Impact
Successful exploitation of this integer overflow could allow an attacker to cause a denial of service or potentially execute arbitrary code, depending on how the overflow is leveraged. The vulnerability is remotely exploitable without privileges and requires user interaction. The CVSS 4.0 base score is 5.3 (medium severity), reflecting limited impact and complexity.
Mitigation Recommendations
A patch identified by commit ed2a5538cf0a8d3ff908191eda9b73f91a5f952a is available and should be applied to correct this vulnerability. Users of Poppler version 26.07.0 are advised to update to a fixed version incorporating this patch. No vendor advisory content is provided, so check the official Freedesktop Poppler project resources for the patch availability and integration status.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-17T17:13:15.208Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aadb77655bf5e2cf59e6813
Added to database: 09/18/2026, 22:13:10 UTC
Last enriched: 09/18/2026, 22:16:47 UTC
Last updated: 09/18/2026, 22:57:23 UTC
Views: 5
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