CVE-2012-6711
A heap-based buffer overflow exists in GNU Bash before 4.3 when wide characters, not supported by the current locale set in the LC_CTYPE environment variable, are printed through the echo built-in
02 Description
A heap-based buffer overflow exists in GNU Bash before 4.3 when wide characters, not supported by the current locale set in the LC_CTYPE environment variable, are printed through the echo built-in
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.53% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 44.5% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- 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
- 2019-06-18 17:34Z7 YR AGO
- Last updated
- 2024-08-06 21:36Z2 YR AGO
- Reserved
- 2019-06-18
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.0)
- CNA CVSS vector
- CVSS:3.0/AC:H/AV:L/A:H/C:H/I:H/PR:L/S:U/UI:N
- Weaknesses
- Data version
- 5.1
- Document digest
- b62e32a4481956db807750dce3dcde7ce104afaa79f7396e80a8c5aa8ddb234a
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1721071
- git.savannah.gnu.orghttp://git.savannah.gnu.org/cgit/bash.git/commit/?h=devel&id=863d31ae775d56b785dc5b0105b6d251515d81d5
- www.securityfocus.com108824http://www.securityfocus.com/bid/108824
- support.f5.comhttps://support.f5.com/csp/article/K05122252
- support.f5.comhttps://support.f5.com/csp/article/K05122252?utm_source=f5support&%3Butm_medium=RSS
- usn.ubuntu.comUSN-4180-1https://usn.ubuntu.com/4180-1/
07 Fixed in
Debian 12
- bash Fixed in 4.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- bash Fixed in 4.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- bash Fixed in 4.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.