CVE-2011-1764
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before...
CVE-2011-1764 is a high vulnerability (CVSS 7.5) in Exim, published May 6, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.94%, the 90th percentile. Fixed in exim4 4.75-3.
- Severity
- 7.5 HighCVSS 2.0, NVD
- Exploit chance
- 3.94%EPSS, 90th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
4.75-3exim4 +4 more
Description
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
exim4Debian:12 | before 4.75-3 | 4.75-3 |
exim4Debian:13 | before 4.75-3 | 4.75-3 |
exim4Debian:14 | before 4.75-3 | 4.75-3 |
exim4Debian:6.0 | before 4.72-6+squeeze1, plus listed versions 4.72-64.72-6+squeeze1~bpo50+1 | 4.72-6+squeeze1 |
eximopenSUSE:Tumbleweed From an advisory covering 11 CVEs | before 4.86.2-2.2 | 4.86.2-2.2 |
What each source reports
NVD Score used
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
- Record
CVE-2011-1764- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-134
- Updated
- 2026-11-02
CVE ListNo score
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
- Record
CVE-2011-1764- Updated
- 2026-11-02
EUVDEUVD-2011-1763No score
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
- Record
EUVD-2011-1763- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mhvp-9557-5gxfNo score
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before...
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
- Record
GHSA-mhvp-9557-5gxf- Weakness
- CWE-134
- Updated
- 2026-11-02
OSVNo score
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
- Record
CVE-2011-1764- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-1764No score
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
- Record
DEBIAN-CVE-2011-1764- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10017-1No score
exim-4.86.2-2.2 on GA media
These are all security issues fixed in the exim-4.86.2-2.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10017-1- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
secunia.com/advisories/51155
lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
debian.org/security/2011/dsa-2232
git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8
bugzilla.redhat.com/show_bug.cgi?id=702474
bugs.exim.org/show_bug.cgi?id=1106
Show 15 moreShow less
bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670
nvd.nist.gov/vuln/detail/CVE-2011-1764
github.com/advisories/GHSA-mhvp-9557-5gxf
security-tracker.debian.org/tracker/CVE-2011-1764
suse.com/security/cve/CVE-2010-2023