Description
Integer signedness error in the elf_get_dynamic_info function in elf/dynamic-link.h in ld.so in the GNU C Library (aka glibc or libc6) 2.0.1 through 2.11.1, when the --verify option is used, allows user-assisted remote attackers to execute arbitrary code via a crafted ELF program with a negative value for a certain d_tag structure member in the ELF header.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | glibc | 2.11-1 | — |
| Debian 13 | glibc | 2.11-1 | — |
| Debian 12 | glibc | 2.11-1 | — |
| Debian 5.0 | glibc | 2.7-18lenny4 | DSA-2058-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | nscd +6 | 2.5-65.el5_7.3 | RHSA-2012:0126 |
| RHEL 4 | nscd +8 | 2.3.4-2.57 | RHSA-2012:0125 |
Advisories 3
- RHSA-2012:0125 Red Hat Security Advisory: glibc security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:0126 Red Hat Security Advisory: glibc security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2058-1 glibc - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- MDVSA-2010:111 vendor-advisory
- GLSA-201011-01 vendor-advisory
- ADV-2010-1246 vdb-entry
- USN-944-1 vendor-advisory
- 39900 third-party-advisory
- SUSE-SA:2010:052 vendor-advisory
- 40063 vdb-entry
- http://drosenbe.blogspot.com/2010/05/integer-overflow-in-ldso-cve-2010-0830.html
- http://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=db07e962b6ea963dbb345439f6ab9b0cf74d87c5
- http://frugalware.org/security/662
- MDVSA-2010:112 vendor-advisory
- DSA-2058 vendor-advisory
- glibc-elf-code-execution(58915) vdb-entry
- 1024044 vdb-entry