Information disclosure in the Graphics component. (CVE-2026-74948)
CVE-2026-74948 is an information disclosure vulnerability in the Graphics component of Firefox. This vulnerability was fixed in Firefox 154 and Firefox ESR versions 115.39, 140.14, and 153.1. The CVSS 3.1 base score is 6.5, indicating a medium severity issue with high confidentiality impact but no integrity or availability impact. The vulnerability allows an attacker to gain access to sensitive information due to a flaw in the graphics processing. Mozilla has released official patches addressing this issue in the specified Firefox versions.
AI Analysis
Technical Summary
CVE-2026-74948 is an information disclosure vulnerability classified under CWE-200 affecting the Graphics component of Firefox. It allows unauthorized disclosure of information, potentially compromising user data confidentiality. The vulnerability was fixed in Firefox 154 and Firefox ESR 115.39, 140.14, and 153.1. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges and requires user interaction, with a high impact on confidentiality. Mozilla's security advisories confirm the fix and recommend updating to the patched versions.
Potential Impact
The vulnerability allows an attacker to disclose sensitive information from the Graphics component of Firefox, potentially exposing confidential data. The CVSS score of 6.5 reflects a moderate risk primarily due to confidentiality impact. There is no impact on integrity or availability. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 154 and Firefox ESR versions 115.39, 140.14, and 153.1. Users and administrators should update to these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are required beyond applying the official updates.
Information disclosure in the Graphics component. (CVE-2026-74948)
Description
CVE-2026-74948 is an information disclosure vulnerability in the Graphics component of Firefox. This vulnerability was fixed in Firefox 154 and Firefox ESR versions 115.39, 140.14, and 153.1. The CVSS 3.1 base score is 6.5, indicating a medium severity issue with high confidentiality impact but no integrity or availability impact. The vulnerability allows an attacker to gain access to sensitive information due to a flaw in the graphics processing. Mozilla has released official patches addressing this issue in the specified Firefox versions.
CVSS v3.1
Score 6.5medium
Affected software
pkg:github/mozilla/firefox-esrRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-74948 is an information disclosure vulnerability classified under CWE-200 affecting the Graphics component of Firefox. It allows unauthorized disclosure of information, potentially compromising user data confidentiality. The vulnerability was fixed in Firefox 154 and Firefox ESR 115.39, 140.14, and 153.1. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges and requires user interaction, with a high impact on confidentiality. Mozilla's security advisories confirm the fix and recommend updating to the patched versions.
Potential Impact
The vulnerability allows an attacker to disclose sensitive information from the Graphics component of Firefox, potentially exposing confidential data. The CVSS score of 6.5 reflects a moderate risk primarily due to confidentiality impact. There is no impact on integrity or availability. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 154 and Firefox ESR versions 115.39, 140.14, and 153.1. Users and administrators should update to these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are required beyond applying the official updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-v63p-fxw9-fq8j
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-74948"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a89a6dfacd9273b49151eee
Added to database: 08/22/2026, 13:40:47 UTC
Last enriched: 08/22/2026, 13:47:21 UTC
Last updated: 08/22/2026, 14:51:58 UTC
Views: 4
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