PatchTheCVECVE-2017-11126: The III_i_stereo function in libmpg123/layer3.c in mpg123 through 1.25.1 allows remote attackers to cause a de
CVE-2017-11126 is a medium-severity flaw (CVSS 5.5) affecting mpg123. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The III_i_stereo function in libmpg123/layer3.c in mpg123 through 1.25.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted audio file that is mishandled in the code for the "block_type != 2" case, a similar issue to CVE-2017-9870.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.4% (top 28%) |
| CISA exploited list | No |
| Weakness | CWE-125 |
| Published | 2017-07-10 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2017-11126?
mpg123: upgrade to newer than 1.25.1. Exact commands for each OS are on this page.
Is CVE-2017-11126 being exploited?
CVE-2017-11126 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2017-11126 affect?
CVE-2017-11126 affects mpg123. Severity is medium (CVSS 5.5). The III_i_stereo function in libmpg123/layer3.c in mpg123 through 1.25.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted audio file that is mishandled in the code for the "block_ty
How urgent is CVE-2017-11126?
Priority 37/100. No elevated risk signals yet.
Related CVEs
- CVE-2017-9545 MEDIUM 5.5 DOWNGRADE The next_text function in src/libmpg123/id3.c in mpg123 1.24.0 allows remote attackers to cause a denial of se
- CVE-2017-12839 HIGH 8.3 UPGRADE A heap-based buffer over-read in the getbits function in src/libmpg123/getbits.h in mpg123 through 1.25.5 allo
- CVE-2017-12797 MEDIUM 5.5 UPGRADE Integer overflow in the INT123_parse_new_id3 function in the ID3 parser in mpg123 before 1.25.5 on 32-bit plat
- CVE-2017-10683 HIGH 7.5 DOWNGRADE In mpg123 1.25.0, there is a heap-based buffer over-read in the convert_latin1 function in libmpg123/id3.c
- CVE-2014-9497 HIGH 7.5 UPGRADE Buffer overflow in mpg123 before 1.18.0.