01 Record
CVE-2019-25136
A compromised child process could have injected XBL Bindings into privileged CSS rules, resulting in arbitrary code execution and a sandbox escape. This vulnerability affects Firefox < 70.
CriticalPUBLISHEDCNA: mozilla
CNA base score10.0 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
02 Description
A compromised child process could have injected XBL Bindings into privileged CSS rules, resulting in arbitrary code execution and a sandbox escape. This vulnerability affects Firefox < 70.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.66% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 51.2% of scored records. A rank, not a probability.
- NVD base score
- 10.0 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-06-19 10:45Z3 YR AGO
- Last updated
- 2024-12-11 16:23Z1 YR AGO
- Reserved
- 2023-03-20
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 10.0)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-94Improper Control of Generation of Code ('Code Injection')Base
- Data version
- 5.1
- Document digest
- f2cd83919292d178fc093728cebbf4ce6de6e0d24fbb260a7efa8dd6211d6ed7
05 Affected products
VendorProductVersionsPlatforms
06 References
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1530709
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-34/