CVE-2019-12900
CRITICALCVSS 9.8/10EPSS 8.04%
Last modified
CVE-2019-12900 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.. EPSS estimates a 8.04% chance of exploitation in the next 30 days.
Description
BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bzip | Bzip2 | <= 1.0.6 |
| Debian | Debian Linux | 8.0 |
| Opensuse | Leap | 15.0 |
| Opensuse | Leap | 15.1 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.04 |
| Freebsd | Freebsd | 11.2 |
| Freebsd | Freebsd | 11.3 |
| Freebsd | Freebsd | 12.0 |
| Python | Python | >= 3.7.0, < 3.7.13 |
| Python | Python | >= 3.8.0, < 3.8.13 |
| Python | Python | >= 3.9.0, < 3.9.11 |
| Python | Python | >= 3.10.0, < 3.10.3 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00040.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00050.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00078.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00000.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/153644/Slackware-Security-Advisory-bzip2-Updates.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/153957/FreeBSD-Security-Advisory-FreeBSD-SA-19-18.bzip2.htmlThird Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/06/msg00021.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/07/msg00014.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00018.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Aug/4Mailing List, Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/Jul/22Mailing List, Third Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:18.bzip2.ascPatch, Third Party Advisory
- https://usn.ubuntu.com/4038-1/Third Party Advisory
- https://usn.ubuntu.com/4038-2/Third Party Advisory
- https://usn.ubuntu.com/4146-1/Third Party Advisory
- https://usn.ubuntu.com/4146-2/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00040.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00050.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00078.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00000.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/153644/Slackware-Security-Advisory-bzip2-Updates.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/153957/FreeBSD-Security-Advisory-FreeBSD-SA-19-18.bzip2.htmlThird Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/06/msg00021.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/07/msg00014.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00018.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Aug/4Mailing List, Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/Jul/22Mailing List, Third Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:18.bzip2.ascPatch, Third Party Advisory
- https://usn.ubuntu.com/4038-1/Third Party Advisory
- https://usn.ubuntu.com/4038-2/Third Party Advisory
- https://usn.ubuntu.com/4146-1/Third Party Advisory
- https://usn.ubuntu.com/4146-2/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-12900?
BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.
How severe is CVE-2019-12900?
CVE-2019-12900 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 8.04% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12900?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-12900?
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